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Rev 2 May.17
Table 3-7: CN312—Low Power I/O (Continued)
Pin
Signal
3
WP_GPIO_5_wakeable
4
ADC1
5
ADC2
6
CARD2_DETECT
Module Signals Control
The mangOH Red uses a multi-function switch (SW401) to control specific signals.
Table 3-8: SW401—Module Signals Control
Signal
PWR_ON
WIFI_UART1_TX
VCC_3V7_ULPM
HL_MODE
BATT_TS+
CONS_DIR
TP1_BOOT
May be used to wake CF3 module from sleep mode (if
supported by module)
Wakeup pin for HL77XX modules
Dip
On / Off
On (Default) Enable CF3 module's POWER_ON signal
1
Off
Disable POWER_ON signal
Enable CF3 module's firmware download
(recovery) mode.
On
2
Note:
Off (Default) Normal operation
While in ULPM, CF3 module and accessories
On (Default)
receive power.
3
While in ULPM, only the CF3 module and
Off
accessories receive power.
When combined with LowPower_RESET,
On
indicates that board is in HL mode.
4
When combined with LowPower_RESET,
Off (Default)
indicates that board is in WP mode.
On
Enable backup battery charging.
5
Off (Default) Disable backup battery charging.
Console USB connector accesses the Wi-Fi/
Bluetooth module's console.
On
Note:
module, set CONS_DIR OFF and
6
WIFI_UART1_TX ON.
Console USB connector access the CF3
Off (Default)
module's console.
Enable CF3 module's TP1 (boot) signal
On
functionality. Pull the signal low to enter
7
download mode for firmware updates.
Off (Default) CF3 module functions normally.
31
Hardware Setup and Features
Purpose
State
Similar functionality to TP1_BOOT
To download firmware to the Wi-Fi
41110400
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