Pin-out and Signal Description
GS2011M Low Power WiFi Module Data Sheet
GS2011Mxx Device Pin-out
38
Confidential
Preliminary
GS2011M-DS-001211, Release 0.9
GS2011Mxx Module Pins Description
describes the GS2011Mxx module pin signal description.
Table 7 GS2011Mxx Module Pin Signal Description
Pins
Name
Voltage
Domain
Internal Bias after
Hardware Reset
Drive
Strength
(mA)
Signal State
Description
1
GND
0V
Not Applicable
Analog port
Ground
2
JTAG_TCK
VDDIO
Pull-up (see Note 1)
Digital Input JTAG Test Clock
3
JTAG_TDO
VDDIO
Not Applicable
Digital Output JTAG Test Data Out
4
JTAG_TDI
VDDIO
Pull-up (see Note 1)
Digital Input JTAG Test Data In
5
JTAG_TMS
VDDIO
Pull-up (see Note 1)
Digital Input JTAG Test Mode Select
6
JTAG_TRST_n
VDDIO
Pull-up (see Note 1)
Digital Input
JTAG Test Mode Reset
(Active Low)
7
RTC_IO_1
VRTC
Pull-down (see Note 1)1
RTC Digital
Input/Output
Embedded Real Time Clock
Input/Output 1
8
RTC_IO_0
VRTC
Pull-down (see Note 1)1
RTC Digital
Input/Output
Embedded Real Time Clock
Input/Output 0
9
VRTC
VRTC
Not Applicable
Analog port
Embedded Real Time Clock
Power Supply
10
DC_DC_CNTRL/
RTC_IO_4
VRTC
(see Note 1)
1
RTC Digital
Input/Output
VIN_3V3 Regulator
Control Output/RTC Digital
Input/Output
11 ADC1
VIN_3V3 Not Applicable
Analog Input
General Analog to Digital
Converter 1
12 ADC2
VIN_3V3 Not Applicable
Analog Input
General Analog to Digital
Converter 2
13 RTC_IO_2
VRTC
Pull-down (see Note 1)1
RTC Digital
Input/Output
Embedded Real Time Clock
Input/Output 2
14 GPIO6/SPI1_DIN VDDIO
Pull-down
4
Digital
Input/Output
GPIO/Serial Peripheral
Interface 1 Bus Data Input
15
GPIO7 /
SPI1_DOUT
VDDIO
Pull-down
4
Digital
Input/Output
GPIO/Serial Peripheral
Interface 1 Bus Data Output
16 VOUT_1V8
VIN_3V3 Not Applicable
Analog port
Internal 1.8V V
OUT
(internally regulated)
17 GND
0V
Not Applicable
Analog port
Ground
18 GPIO5/SPI1_CLK VDDIO
Pull-down
4
Digital
Input/Output
GPIO/Serial Peripheral
Interface 1 Bus Clock
19
GPIO4/
SPI1_CS_n_0
VDDIO
Pull-down
4
Digital
Input/Output
GPIO/Serial Peripheral
Interface 1 Chip Select_0
(Active Low)