YUGE CLM920 TD3 Usage Manual page 20

CLM920 TD3 LTE Module Hardware Usage Guide
133 SDC1_CLK
135 WAKE_WLAN
137 COEX_UART_RXD
139 RESERVED
141 RESERVED
143 RESERVED
Symbol sign
IO
PI
PO
AI
AO
DI
DO
OD
Power supply
Pin
57
58
59
60
7
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Table 3-2 IO parameter definition
Table 3-3 Pin description
Pin definition IO
VBAT PI
VBAT PI
VBAT PI
VBAT PI
VDD_EXT PO 1.8V output
134 SDC1_CMD
136 SDC1_EN
138 COEX_UART_TXD
140 RESERVED
142 RESERVED
144 RESERVED
Description
Two-way input and output
power input
Power Output
Analog input
Analog output
Digital input
Digital output
Leaky open circuit
Functional description
Module power input
Module power input
Module power input
Module power input
Remarks
Power supply
needs to
guarantee 2A
current
Can provide
pull-up
(maximum
50MA) for
external GPIO.
Please keep it
floating when not
in use.
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