s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 MO130 MODULE FOR MOBILE APPLICATION SPREADING: Company Name SAGEM SA / SCT Original Copies st 1 page F. ROMAO O. HOLIN T. GLASSON F. BULTEAU P. CAILLET F. HADDED R. PATINEC P. RATAJCZYK E. SOUBRANE JC. SURBON R. CRITON T. FEIX C. LABAUME A. SEVENS JM. ROBERT M. BAPSERES R. ALLIOT D. QUIQUEREZ P. QUENTIN G. BADUEL A.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 E All rights reserved. Reproduction and disclosure prohibited Page 2 MO130 module for mobile applications This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product without notice.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 N Date : 28/03/03 MO130 MODULE FOR MOBILE APPLICATION E All rights reserved. Reproduction and disclosure prohibited Page 1 MO130 module for mobile applications This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product without notice.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 N Date : 28/03/03 REVISIONS Version Date Writer Subject A B 17/01/02 25/02/02 E. Soubrane E. Soubrane C 02/05/02 E. Soubrane D E F 11/08/02 28/06/02 23/07/02 E. Soubrane E. Soubrane E. Soubrane G 06/09/02 E. Soubrane H I 13/09/02 14/11/02 E. Soubrane E. Soubrane J 06/01/03 E. Soubrane / T.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 N Date : 28/03/03 INDEX 1. OVERVIEW................................................................................................................................................................. 5 1.1 OBJECT OF THE DOCUMENT ................................................................................................................. 5 1.2 REFERENCE DOCUMENTS........................................
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 N Date : 28/03/03 4.2.1 Power_on................................................................................................................................ 31 4.2.2 Power_off................................................................................................................................ 31 4.2.3 Switch_on ...............................................................................
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 N Date : 28/03/03 1. OVERVIEW 1.
s e Centre de Saint Christophe - URD 37 • • • • • • TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 N Date : 28/03/03 GSM 05.02: "Digital cellular telecommunications system (Phase 2+); Multiplexing and multiple access on the radio path". Version 6.9.0. GSM 05.03: "Digital cellular telecommunications system (Phase 2+); Channel coding". Version 6.2.1. GSM 05.08: "Digital cellular telecommunications system (Phase 2+); Radio subsystem link control". Version 6.8.0. GSM 05.
s e Centre de Saint Christophe - URD 37 PLL PNG RAM RF RI RMS RTS RX SIM SMS SRAM TBC TBD TX UART USB USSD VCO WAP WBMP TELEPHONIE MOBILE MOBILE PHONES Ref.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 SIM slot Vibrator Network LED Keyboard / LCD backlight Audio up-link Audio down-link Flap open/closed detection Keyboard interface UART1 interface with flow control IrDA interface or UART2 interface Data services Supplementary services USB interface Melody chip interface Serial Interface Parallel Interface Reset pin Power on pin General purpose I/Os pin GPRS WAP GSM/DCS certification GCF-CC Ref.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 PCS certification Picture / animation formats supported Audio formats supported Software customisation 2.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 3. FUNCTIONAL DESCRIPTION 3.1 SIM The SIM Card interface is compatible with the ISO 7816-3 IC card standard on the issues required by the GSM 11.11 Phase 2+ standard. The module also supports Release 99 of the SIM Toolkit recommendation too and supports a Fixed Dialling Number directory.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 The bias voltage of the microphone is provided directly on MICP/MICN pins. There are three options for the earphone: - One multi-mode earphone, as earpiece, hands free loudspeaker and melody/ring. - Two earphones, one 32 Ohms as earpiece and one 8 Ohms as Ring/melody and as hands-free loudspeaker if it is far from the microphone. - one 32 Ohms earphone as earpiece.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Figure 4 Serial link timing RESETLCD∗ > 1µs Software initialisation Figure 5 Reset serial link timing This interface includes main protections. If another LCD driver is used, the software would be provided by SAGEM, or at least the specific drivers will be integrated by SAGEM. In that case a specific quotation is required. 3.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Figure 6 Parallel link read timing Timing Description tcyc CPU frequency tcsv Chip Select Valid tda NCS to Address valid tha Address hold from nCS tdbe NBHE, nBLE to nCS tdoe NOE to nCS tsu Input data setup to nCS tho Input data hold from nCS tsrw NCS to RnW tdrw RnW to nCS tdso NCS to output data valid thd Output data hold from RnW N= Wait State number Min (ns) tcyc 0 7.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Figure 7 Parallel link write timing NB: if needed, additional Wait State could be added by SAGEM. Be careful: the maximum capacitance (components, lines, connectors,…) acceptable on each signal of the parallel bus is 25pF. E All rights reserved.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 3.5 SPI INTERFACE A SPI interface is provided on the 120 pins connector. This interface include Input/output data lines (DOSPI, DISPI), clock (CLKSPI) and enable (ENSPI1).
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 3.6 DATA 3.6.1 Data services The module supports the following services: • GPRS • CSD: transparent and non-transparent up to 9600 BPS • fax: class 1 Data sessions may be established over the main serial link or using the IrDA port (see below). 3.6.2 IrDA This UART interface is compatible with 16C750 compliant devices.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 • • • Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 PNG GIF SAGEM proprietary B/W format The supported screensavers formats are: • Animated GIF • SAGEM proprietary formats The supported ringtones formats are: • MIDI • iMelody • PCM (mono, 8kHz) • SAGEM proprietary formats 3.8 MELODIES GENERATION The module is hardware compatible with three solutions : 1.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Figure 10 Antenna area on the MO130 See into application note for more details. NB: - No ground in the neighbourhood of the pad for the antenna connection. - 50ohms guaranteed only in conducted mode - Functioning of the module in radiated mode depends on the respect of the radio rules. E All rights reserved.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 3.10 KEYPAD A 5X5 keyboard could be managed by the module through the R1/R2/R3/R4/R5 row signals and C1/C2/C3/C4/C5 column signals. OUI signal performs the ON function. OFF signals performs OFF function.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 3.13 POWER MANAGEMENT AND CHARGE 3.13.1 Battery The power supply signal VBAT is 3.45V to 5V range and 3.8V nominal. It has to be more than 3V, even during transients in order to avoid unwanted resets. The power supply dropout has to be limited to 450mV, when the current consumption goes from minimum to maximum (0.1 to 1.8A).
s e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M TELEPHONIE MOBILE MOBILE PHONES Date : 04/03/03 3.13.7 Charge This interface manages the charge of the mobile, when a charger is connected, even in the following conditions: deeply discharged battery, short-circuited battery and unconnected battery. No additional components are needed.
s Ref. : SCT TMO MASV2 SPEC 14 M TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Date : 04/03/03 3.13.8 AC/DC switching charger 3.13.8.1 Operating temperature 0°C to +55°C. 3.13.8.2 Electrical ratings Is Battery charger Vp Vs Class II equipment (EN 60950 § 1-2-4-2) 1 - Primary input voltage 98V < Vp < 254V ; F = 50/60Hz.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 4 - Dynamic output template An external device is controlling the battery charge by means of a switch S1, which can be switched on and off. Following templates shows the output current and voltage during transients, this feature is very important to enable the charging control by controlling S1 (PWM).
s Ref. : SCT TMO MASV2 SPEC 14 M TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Date : 04/03/03 3.13.9.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 2 - Test circuit This design show the test circuit K1 Is CHARGER Vs 3Ω + Vp +/-10% Vs ≅ VBAT + 0.6V 15V 9V VALID AREA 5.2V NORMAL CHARGE 3.6V Is moyen 150mA 500mA 1,2A E All rights reserved. Reproduction and disclosure prohibited Page 25 MO130 module for mobile applications This document contains information on a product under development.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 3 - Dynamic output template An external device is controlling the battery charge by means of a switch S1, which can be switched on and off. Following templates shows the output current and voltage during transients, this feature is very important to enable the charging control by controlling S1 (PWM).
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Verify : ∆Rp / Rp (20°C) < 0.315 Report have to be made by the supplier stipulating the bobbin and the enclosure temperature elevation . 3.14 ACCESSORIES Accessories connection has to be defined more precisely.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 - Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Output current Ion from up to 150mA typ. Output voltage Voff from 3.0V to 5.5V, 3.8V typ. Output current Ioff 200nA max. Analog output, programmable current NMOS type. An other current generator (BACKLCD) is dedicated to backlight of the LCD or the keyboard with the following characteristics: - Output voltage Von from 1.7V to 3.7V, 2.5V typ. - Output current Ion up to 80mA typ.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 3.16.5 Vibrator An external pin of the module provides vibrator command (CMDVIB) to drive a vibrator with the following characteristics: - Rs series resistance from 10 ohms to 50 ohms. - Zl series inductance from 50uH to 100uH. - Cl load capacitance from 0 to 1nF. - Ioff quiescent current 100nA max.
s Ref. : SCT TMO MASV2 SPEC 14 M TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Date : 04/03/03 4. OPERATING MODES Power_off No supply Power_on Standby Power_off OFF Wake-up Switch_off Switch_on Active Sleep (automatic) Switch_off Figure 15 Operating modes state diagram 4.1 MODES DESCRIPTION 4.1.1 No supply VBAT < 3.2V and VBACKUP < 2.2V. All functions and power supplies are OFF: VRDBB, VRIO, V56 = 0. 4.1.2 OFF VBAT > 3.2V or external Backup VBACKUP > 2.2V.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 4.2 TRANSITIONS DESCRIPTION 4.2.1 Power_on A battery is connected to the module with VBAT > 3.2V (and/or VBACKUP is switched ON). 4.2.2 Power_off The battery is removed from the module (and/or VBACKUP is switched OFF). 4.2.3 Switch_on The battery is already connected. The module starts when ON key is pressed or a charger is connected or when wake up occurs. 4.2.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 5. PINOUT The following list of signals could change.
s e Centre de Saint Christophe - URD 37 MICN HPP HPN LPHP HPIN CMDVIB RI DSR DCD DTR CTS RTS TXD1 RXD1 TXD2 RXD2 TXIR RXIR CMDIRDA INT SCL SDA CHARGEUR ON* TESTRESETZ ITDATA CMDSW1 CMDSW2 CINT D<0> D<1> D<2> D<3> D<4> D<5> D<6> D<7> D<8> D<9> D<10> D<11> D<12> D<13> D<14> D<15> A<0> A<1> A<2> Input Output Output Output Input Output Output Output Output Input Output Input Output Input Output Input Output Input Output Input Output In/out Input Output Input Input In/output In/output Input In/output In/outp
s e Centre de Saint Christophe - URD 37 A<3> A<4> A<5> A<6> OE* RW* CS2 CS3 CLK13M CLK32K ADC1 DAC DISPI DOSPI CLKSPI ENSPI1 VBAT TELEPHONIE MOBILE MOBILE PHONES In/output In/output In/output In/output Output Output Output Output Output Output Input Output Input Output Output Output Clocks ADC/DAC SPI bus Input V56 VRDBB VRDBBDC VRIO VBACKUP GND Output Output Input Output Input Ground OUT_ANT TCLK TMS TDI TDODIGIT TDIANALOG TDOANALOG NBSCAN NEMU0 NEMU1 Output Input Input Input Output Input Output
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 6. ELECTRICAL SPECIFICATION VOH VOL VIH VIL High level output voltage Low level output voltage High level input voltage Low level input voltage 6.1 VBAT The module is supplied through the VBAT signal with the following characteristics: Parameter Name Min Typ Max VBAT period (ms) VbatTe (*) 4.614 4.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 NB: a battery level measurement algorithm is turning the module OFF when VBAT < 3.45V for more than a few minutes. 6.2 POWER SUPPLIES 6.2.1 VRDBB (120 pin connector, pin 3) Signal Voltage level Current capability Active mode Current capability Sleep mode Quiescent current Active mode Quiescent current Sleep mode Quiescent current Disable Rise time Min Typ Max Remarks 1.65V - 1.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 6.2.4 ALIMLCD (120 pin connector, pin 75) Signal Voltage level Current capability Min Max Remarks 2.75V - 2.85V 10mA Protection E All rights reserved. Reproduction and disclosure prohibited Page 37 MO130 module for mobile applications This document contains information on a product under development.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 6.3 DAI INTERFACE DAIRST, DAIIN, DAICLK and DAIOUT have the following characteristics: Signal VL (V) VH (V) Remarks Min Max Min Max DAIRST (in) -0.5 +0.8 +2.0 +3.2 Protection DAICLK (in) -0.5 +0.8 +2.0 +3.2 Pull down Protection DAIIN (in) -0.5 +0.8 +2.0 +3.2 Pull down Protection DAIOUT (out) +0.6 +2.4 Protection 6.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 6.7 KEYBOARD INTERFACE R1, R2, R3, R4, R5, C1, C2, C3, C4 and C5 have the following characteristics: Signal VL (V) VH (V) Min Max Min Max Input (R1/2/3/4/5) -0.5 +0.8 +2.0 +3.2 Output (C1/2/3/4/5) +0.6 +2.4 OUI*: Signal Ton (ms) Min 65 Max - 6.8 VIBRATOR CONTROL CMDVIB has the following characteristics: Parameter Min Von 1.2V Ion 70mA Voff 3.0V Ioff - Typ 1.8V 80mA 3.
s e Centre de Saint Christophe - URD 37 VCHARGEUR Tchstart Ref. : SCT TMO MASV2 SPEC 14 M TELEPHONIE MOBILE MOBILE PHONES Charger voltage Charge start up timer Date : 04/03/03 0V 8s 16V 16s 6.12 RESET TESTRESETZ has the following characteristics: Signal Min VL (V) VH (V) Treset (ms) Max Remarks -0.5 +0.495 +1.365 65 +2.15 - Pull up Protection NB: The reset signal resets all the system including backup. 6.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 6.16 JTAG INTERFACE TCLK, TMS, TDI, TDODIGIT, TDIANALOG, NBSCAN, NEMU0, NEMU1 have the following characteristics: Signal VL (V) VH (V) Remarks Min Max Min Max Input -0.5 +0.8 +2.0 +3.2 TCLK, TMS, TDI, TDIANALOG, NBSCAN Output +0.6 +2.4 TDODIGIT, TDOANALOG, NEMU0, NEMU1 6.
s Ref. : SCT TMO MASV2 SPEC 14 M TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Date : 04/03/03 6.20 VBACKUP Signal VBACKUP Min Max +2.2V +3.2V Remarks Protection If no external backup is supplied, VBACKUP has to be connected to VBAT. With external BACKUP: - if VBAT < VBACKUP, internal RTC is supplied by VBACKUP. - if VBAT > VBACKUP, internal RTC is supplied by VBAT. Without external VBACKUP (VBACKUP input connected to VBAT) - if VBAT > 2.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 8. MECHANICAL SPECIFICATION WITH CONNECTOR JST 2 way stacker assembly Murata coaxial connection 2 AVX Board to Board connector 1 1 120 Pad for antenna connection 60 61 Figure 17 MO130 E All rights reserved. Reproduction and disclosure prohibited Page 43 MO130 module for mobile applications This document contains information on a product under development.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Figure 18 MO130 dimensions E All rights reserved. Reproduction and disclosure prohibited Page 44 MO130 module for mobile applications This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product without notice.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Figure 19 MO130 connection to a mother board E All rights reserved. Reproduction and disclosure prohibited Page 45 MO130 module for mobile applications This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product without notice.
s TELEPHONIE MOBILE MOBILE PHONES e Centre de Saint Christophe - URD 37 Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 9. INTEGRATION 9.1 120 PINS CONNECTOR 9.1.1 MO130 connector Recommended PC Board Mounting pattern: Dimensions and references: Pin Number Reference 120 AVX 10 5604 120 212 829 E All rights reserved. Reproduction and disclosure prohibited Page 46 MO130 module for mobile applications This document contains information on a product under development.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 9.1.2 Mother board connector Recommended PC Board Mounting pattern: Dimensions and references: Pin Number References 120 AVX 20 5604 120 222 829 E All rights reserved. Reproduction and disclosure prohibited Page 47 MO130 module for mobile applications This document contains information on a product under development.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 9.2 MO130 ANTENNA CONNECTOR E All rights reserved. Reproduction and disclosure prohibited Page 48 MO130 module for mobile applications This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product without notice.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 9.3 BATTERY CONNECTOR E All rights reserved. Reproduction and disclosure prohibited Page 49 MO130 module for mobile applications This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product without notice.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 ANNEXE 1 : Reference sensitivity level The min reference guaranteed sensitivity is: The sensitivity level is defined as the input level for which class II bits RBER/FER don’t exceed 2.4% This minimum sensitivity shall be : GSM 900 MS: -105 dBm max DCS 1800 MS: -105 dBm max Notes : This min sensitivity value is guaranteed at 25°C and under static conditions.
s e Centre de Saint Christophe - URD 37 TELEPHONIE MOBILE MOBILE PHONES Ref.
s e Centre de Saint Christophe - URD 37 CMDVIB DISPI DOSPI ENSPI1 CLKSPI DCD DTR RI DSR RTS CTS TXD2 RXD2 TXD1 RXD1 TXIR RXIR CMDIRDA CHARGEUR ON* TESTRESETZ CLK13M CLK32K ADC1 DAC D<0..15> A<0..6> CS2* CS3* RW* OE* VBACKUP VRIO VRDBB VRDBBDC V56 TELEPHONIE MOBILE MOBILE PHONES Ref. : SCT TMO MASV2 SPEC 14 M Date : 04/03/03 Power open drain Digital input buffer (IDI041). Pull-down.