Pin Description - SimCom SIM7020C Hardware Design

Table 3: Pin definition
Pin No. Pin Name
1 UART1_TXD
2 UART1_RXD
3 UART1_RTS
4 UART1_CTS
5 UART1_DCD
6 UART1_DTR
7 UART1_RI
8 GND
9 VDD_3V3
10 GPIO0
11 RTC_GPIO0
12 RTC_EINT
13 GND
14 SIM_DET
15 SIM_DATA
16 SIM_CLK
17 SIM_RST
18 SIM_VDD
19 GND
20 NC
21 GND
2.2

Pin Description

Table 4: IO parameters definition
Pin type Description
PI Power input
PO Power output
AI Analog input
AIO Analog input/output
I/O Bidirectional input /output
DI Digital input
DO Digital output
DOH Digital output with high level
DOL Digital output with low level
PU Pull up
SIM7020_Hardware_Design_V1.02
Pin No. Pin Name
22 UART2_TXD
23 UART2_RXD
24 USB_VBUS
25 USB_DP
26 USB_DN
27 GND
28 RESET
29 GPIO1
30 GND
31 GND
32 ANT
33 GND
34 VBAT
35 VBAT
36 GND
37 GND
38 ADC
39 PWRKEY
40 VDD_EXT
41 NETLIGHT
42 STATUS
11
Smart Machine Smart Decision
2018-07-25