User's Manual
Table Of Contents
- RF Exposure Statement:
- General Notes
- Copyright
- Contents
- Table Index
- Figure Index
- Revision History
- 1Introduction
- 2Package Information
- 3Interface Application
- 3.1Power Supply
- Figure 5: VBAT voltage drop during burst emission
- 3.1.1Power Supply Design Guide
- Figure 6: Power supply application circuit
- Table 7: Recommended Zener diode list
- 3.1.2Recommended Power Supply Circuit
- Figure 7: Linear regulator reference circuit
- Figure 8: Switching mode power supply reference ci
- 3.1.3Voltage Monitor
- 3.2Power on/Power off/Reset Function
- 3.3UART Interface
- 3.4USB Interface
- 3.5USIM Interface
- 3.6PCM Interface
- 3.7SD Interface
- 3.8I2C Interface
- 3.9SDIO Interface
- 3.10SPI Interface
- 3.11Network status
- 3.12Flight Mode Control
- Switch
- 3.1Power Supply
- 4RF Specifications
- 5Electrical Specifications
- 6SMT Production Guide
- 7Packaging
- Appendix
SIM7600SA-H_User Manual_V1.00
2017-10-11
Smart Machine Smart Decision
VDD_1V8
15 PO
1,2,5,
10,14,37
,40,41,4
1.8V SMPS output with Max
50mA current output for
external circuit, such as level
shift circuit.
If unused, keep it
open.
GND
System Control
3,57,58,
60,61,64
,65,77,7
8,80,81
Ground
PWRKEY
3
DI,PU
System power on/off control
input, active low.
RESET 4 DI, PU
System reset control input,
active low.
SD interface
SD_CMD 21
DO SDIO command
SD_DATA0 22
I/O
The high voltage is
0.8V;
RESET has been
pulled up to 1.8V via
40Kohm resistor
internally.
SD_DATA1 23 I/O
SD_DATA2 24
I/O
SD_DATA3 25
I/O
SDIO data
If unused, keep them
open.
SD_CLK 26 DO SDIO clock
USIM interface
USIM_DATA 17 I/O,PU
USIM Card data I/O, which has
been pulled up via a 100KR
resistor to USIM_VDD
internally. Do not pull it up or
down externally.
USIM_RST 18 DO USIM Reset
USIM_CLK 19 DO USIM clock
All lines of USIM
interface should be
protected against
ESD.
USIM_VDD 20 PO
SPI interface
Power output for USIM card,
its output Voltage depends on
USIM card type automatically.
Its output current is up to
50mA.
SPI_CLK 6
DO
SPI clock output
SPI_MISO 7
DI
SPI master in/slave out data
SPI_MOSI 8 DO
SPI master out/slave in data
SPI_CS 9 DO
SPI chip-select output
USB
Only support SPI
master mode.
If unused, please keep
them open.










