iSR3500 Series GSM / GPRS Module Pre-Release Rev 0.3 2008. 03. 28 Sirius Mobility 31 International Business Park #02-05 Creative Resource Bldg, Singapore 609921 www.sirius-mobility.com email: sales@i-sirius.com.
Mobile Solutions 1 Introduction 1.1 General Description iSR3500 series is a product line of single-module platform optimized for ultra low cost GSM/GPRS modem and generic mobile applications.
Mobile Solutions 1.3 Ordering Information iSR35- = GSM band option, E or U = memory option, 16, 32, 3204, 3208 or 6416 please note that other RAM configuration will be incorporated in the future = b2b connector size option, C1, C2 or C3 = packaging option, R or T 1.
Mobile Solutions Battery charging protection voltage Supported Battery Voltage for charging VSIM VIO Voltage VIO Output current VDDP_MEM Domain VRTC Voltage VRTC Output Current VSIM Voltage VSIM Output Current VMIC Digital I/O range Digital I/O Low level Digital I/O High level Audio Receiver Max differential Output Headset Max single-ended output Receiver Output Load resistance Headset Output Load resistance Ringer Output Load resistance ADC Input Voltage (External input voltage case) 2.
Mobile Solutions 2.5 DCS Electrical characteristics Nominal Conditions (unless otherwise specified): Vbatt=3.8V Ta=25˚C Parameter Frequency Maximum Output Power 2nd Harmonic 3rd Harmonic All other harmonics up to 13 GHz Sensitivity Off current Idle current Traffic mode current 2.6 Conditions Min. Typ. 1710 Max. Unit 1880 Nominal conditions 30 MHz dBm Pout≤33dBm -40 dBm 150 2.
Mobile Solutions 4 iSR35xx Module Pin description Pin# Name Description Dir Category GPIO Supply Domain 1 VIO VDDP_IO 3 GND GND Power supply 5 VBAT Vbatt for PMU Power supply VBAT 7 VBAT Vbatt for PMU Power supply VBAT SIM Card VDDP_SIM 9 GND GND 11 VSIM VDD SIM 13 SIM_IO SIM Data I/O SIM Card VDDP_SIM 15 SIM_CLK SIM Clock O SIM Card VDDP_SIM 17 SIM_RST SIM Reset O SIM Card 19 CTS_n I UART GPIO 13 21 RTS_n O UART GPIO 12 23 ADC Clear To Send Head
Mobile Solutions Pin# Name Description Dir Category GPIO Supply Domain 2 4 RXD RX Data I/O UART GPIO 10 VDDP_IO TXD TX Data O UART GPIO 11 VDDP_IO 6 ON Switch On I 8 DSR Data Set Ready O UART GPIO 20 VDDP_IO 10 NMI_n Non-Maskable Interrupt I Interrupt GPIO 38 VDDP_IO 12 DTR I UART GPIO 37 VDDP_IO 14 VIB_CTRL / RI I/O GPIO GPIO 36 VDDP_IO 16 KEYPAD_LED O GPIO GPIO 35 VDDP_IO 18 GND Data Terminal Ready Vibrator control (mobile) Ring Indicator (modem)
Mobile Solutions 5 iSR35xx Module GPIO Pins and Function Pin# Name Description 19 CTS_n Clear to Send 21 RTS_n Request to Send GPIO13 Supply Domain VDDP_IO Reset Value T/PU GPIO12 VDDP_IO T GPIO or RTS function GPIO GPIO guide GPIO or CTR function 29 RST_OUT Reset Out GPIO32 VDDP_IO T/PD Can be used for GPIO 31 EXT_INT Ext.
Mobile Solutions 7 Application as GSM modem with host processor Baseband On TxD RxD Host Processor Intrr ANT Switch On Baseband Reset Reset/ UART RxTx RxD TxD UART Handshake CTS RTS Device Ready DSR DTR RING0 iSR35xx RI (Ring Inidcator) SIM Card USB Detect NMI SD card Detect etc Refer to Design Guide for Industrial Applications for more detailed reference design. 8 Packaging Information 8.1 Tray (Option T) (Dimensions to be finalized) 8.
Mobile Solutions 9 Module Dimension (mm) 9.1 Physical size ※ iSR3500 GSM/GPRS Module weight approx 2.4 gram 9.2 Mechanical Dimension 9.3 Board-to-Board Connector . The module uses Panasonic narrow pitch (0.5mm) connector AXK6F34347YG (34pin header), AXK6F60347YG (60pin header) or AXK6F80347YG (80pin header). They have the mated height 1.5mm and 2.0mm, without positioning bosses.
Mobile Solutions 10 Reflow temperature profile iSR3500 Series 11 / 11 Pre-rev 0.
User’s Information ---- Additional information Cautions Modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. FCC compliance Information This device complies with part 15 of FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received. Including interference that may cause undesired operation.
