Yuga CLM920 TD5 LTE Module Hardware Manual
Table Of Contents
- 1 Introduction
- 2 Product Overview
- 2.1 General Description
- 2.2 Key Features
- 2.3 Module Function
- 3 Application Interface
- 3.1 General Description
- 3.2 Module Interface
- 3.2.1 52-pin Goldfinger
- 3.2.2 Interface definition
- 3.3 Power Interface
- 3.3.1 Power Design
- 3.3.2 Reference Design of Power Supply
- 3.3.3 VDD_EXT 1V8 output
- 3.4 Reset mode
- 3.4.1 Power-on sequence
- 3.4.2 Power off
- 3.4.3 Reset control
- 3.5 USB interface
- 3.6 UART interface
- 3.7 USIM interface
- 3.7.1 USIM card reference circuit
- 3.7.2 UIM_DET Hot-Plug Reference Design
- 3.8 General purpose GPIO interface
- 3.9 Network Indication Interface
- 3.10 Analog voice interface
- 3.10.1 Analog Voice Reference Design
- 3.10.2 Analog Voice Reference Design
- 3.11 PCM audio interface
- 3.12 Antenna Interface
- 3.12.1 RF Connector Location
- 3.12.2 RF Connector
- 4 Overall Technical Indicators
- 4.1 Overview of this chapter
- 4.2 Operating frequency
- 4.3 Conducted RF Measurements radio frequency
- 4.3.1 Test environment
- 4.3.2 Test standards
- 4.4 Conducted receive sensitivity and transmit pow
- 4.5 Antenna requirements
- 4.6 Power consumption characteristics
- 5 Interface electrical characteristics
- 5.1 Operating Storage Temperature
- 5.2 Module IO electrical characteristics
- 5.3 Power supply characteristics
- 5.4 Electrostatic characteristics
- 6 Structural and mechanical properties
- 6.1 Appearance
- 6.2 Mini PCI Express connector
- 6.3 Module fixing method
CLM920_TD5 LTE Module Hardware Manual
19
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28
PWRKEY
NC
NC
NC
3.4.1 Power-on sequence
Figure 3- 8 Power-on sequence diagram
Table 3- 5 Power-on sequence parameters
Symbol
Description
Min
Typical
Max
Unit
Ton
Low level width of boot
100
500
-
ms
Ton(statu
s)
Boot time(Judge by the
status)
22
-
-
ms
Ton(usb)
Boot time(Judge by the
USB)
-
20
-
ms
Ton(uart)
Boot time(Judge by the
UART)
-
20
-
ms
VIH
PWRKEY high level input
0.6
0.8
1.8
V
VIL
PWRKEY low level input
-0.3
0
0.5
V
3.4.2 Power off
The module without a normal shutdown process when turn it off by cutting off the VBAT
power supply. Only if the module is abnormal and can’t restart by AT, cutting off the
VBAT power supply can be used。
3.4.3 Reset control
CLM920_TD5 Mini PCIE module’s reset pin is 22. Pull this pin low 150-450 ms to reset
Ton
Ton(status)
Ton(usb)
Active
USB
Active
UART
STATUS
RESET
PWRKEY
VBAT
Ton(uart)