User Guide

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ME3630
Hardware Development Guide
V
IH
min = 1.17V
VIH max = 2.1V
SPI_CLK
34
DO
SPI clock
V
OL
max = 0.45V
V
OH
min = 1.35V
1.8V power domain
SPI_CS_N
35
DO
SPI segment
V
OL
max = 0.45V
V
OH
min = 1.35V
1.8V power domain
WiF PINs
WLAN_SLEEP_CLK
6
DO
WLAN sleep clock
V
OL
max = 0.45V
V
OH
min = 1.35V
Only supported by firmware with WiFi.
Other firmware, this pin is NC
COEX_UART_TX
7
DO
LTE transmitter sync
for coexistence with
UART
V
OL
max = 0.45V
V
OH
min = 1.35V
Only supported by firmware with WiFi.
Other firmware, this pin is NC
COEX_UART_RX
8
DI
LTE receiver sync for
coexistence with
UART
V
IL
max = 0.63V
V
IH
min = 1.17V
Only supported by firmware with WiFi.
Other firmware, this pin is NC
When pull-up this pin to 1.8V, the
module will enter emergency
download mode.
WLAN_EN
12
DO
WLAN enable
V
OL
max = 0.45V
V
OH
min = 1.35V
Only supported by firmware with WiFi.
Other firmware, this pin is NC
WLAN_3V3_EN
13
DO
WLAN power enable
V
OL
max = 0.45V
V
OH
min = 1.35V
Only supported by firmware with WiFi.
Other firmware, this pin is NC
WLAN_SLEEP_CLK
6
DO
WLAN sleep clock
V
OL
max = 0.45V
V
OH
min = 1.35V
Only supported by firmware with WiFi.
Other firmware, this pin is NC
Other Pins
Pin Name
Pin NO.
I/O
Description
DC Characteristics
Comment
WAKEUP_IN
72
DI
Sleep mode control,
External device
wakeup module
V
IL
min = -0.3V
V
IL
max = 0.45V
V
IH
min = 1.53V
V
IH
max = 2.1V
1.8V power domain. Pull-down
internally. Edge-triggered, Rising edge
wake up module; Falling edge modules
can enter sleep
WAKEUP_OUT
71
DO
Output wakeup
signal, wake up the
external devices
V
OL
max = 0.8V
V
OH
min = 1.35V
Wakeup external circuits
GPIO
27, 28, 29, 30, 65
IO
General input/output
V
OL
max = 0.45V
V
OH
min = 1.35V
V
IL
min = -0.3V
V
IL
max = 0.63V
V
IH
min = 1.17V
VIH max = 2.1V
If unused, keep them floating.
DO not pull-up PIN77 external
NC
66,64,75,76,77,4
5,44,43,42
No connection
NC, there is no connection internal,
please keep them floating .