GainSpan GS2011M Datasheet page 40

Pin-out and Signal Description
GS2011Mxx Device Pin-out
Table 7 GS2011Mxx Module Pin Signal Description (Continued)
Pins Name
GPIO26/
35
UART1_CTS
GPIO27/
36
UART1_RTS
GPIO3/
37
UART1_RX
GPIO32/
38 SDIO_DAT2/
UART1_TX
GPIO1/
39
UART0_TX
GPIO25/
40
UART0_RTS
GPIO0/
41
UART0_RX
GPIO24/
42
UART0_CTS
43 GPIO31/PWM2
44 GPIO30/PWM1
45 GPIO29/I2C_CLK VDDIO
GPIO37/
46
SDIO_DAT1_INT
EXT_RESET_n
47
(see Note 5)
48 GND
49 VPP (see Note 8)
40 Confidential
Voltage Internal Bias after
Domain Hardware Reset
VDDIO Pull-down
VDDIO Pull-down (see Note 2) 4
VDDIO Pull-down
VDDIO Pull-down
VDDIO Pull-down
VDDIO Pull-down
VDDIO Pull-down
VDDIO Pull-down
VDDIO Pull-down
VDDIO Pull-down
Pull-down
VDDIO Pull-down (see Note 9) 4
VDDIO
0V Not Applicable
VPP
GS2011M Low Power WiFi Module Data Sheet
Drive Signal State
Strength
(mA)
Digital
4
Input/Output
Digital
Input/Output
Digital
4
Input/Output
Digital
4
Input/Output
Digital
4
Input/Output
Digital
12
Input/Output
Digital
4
Input/Output
Digital
12
Input/Output
16
Digital
Input/Output
(see Note 7)
16
Digital
Input/Output
(see Note 7)
Digital
12
Input/Output
Digital
Input/Output
Digital Open
Drain
Input/Output
Analog port
Analog port
Preliminary
Description
GPIO/UART1Clear to Send
input (see Note 6)
GPIO/UART1 1 Request to
Send Output (see Note 6).
This pin is used for Program
Mode.
GPIO/UART1 Receive
Input
GPIO/SDIO_DATA Bit
2/UART 1 Transmitter
Output
GPIO/UART0 Transmitter
Output. This pin is used for
Code Restore.
GPIO/UART0 Request to
Send Output (see Note 6).
This pin is used for Program
Select.
GPIO/UART0 Receive
Input
GPIO/UART0 Clear to
Send Input (See Note 6)
GPIO/Pulse Width
Modulation Output 2
GPIO/Pulse Width
Modulation Output 1
GPIO/I2C_CLK (see Note
3)
GPIO/4-bit SDIO DATA bit
1/SDIO SPI Mode Interrupt
Module Hardware Reset
Input and Power Supply
Reset Monitor Indicator
Active Low
Ground
Programming Voltage for
OTP Memory
GS2011M-DS-001211, Release 0.9