User's Manual

Hardware Development Guide of Module Product
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ZM8620_V2
Pin
Standard PIN
ZM8620_V2 PIN
Description
I/O
Remark
1
WAKE#
WAKE#
Wake up the system host
DO
--
2
3.3Vaux
VDD_3V3
3.3V supply
DI
3.1V-3.6V，The
typical value is
3.3V
3
COEX1
SPI_SDI
SPI data signal
DI
3.3V
4
GND
GND
Ground
--
Ground pin
5
COEX2
SPI_SDO
SPI data signal
DO
3.3V
6
1.5V
SPI_CS
SPI segment signal
DO
3.3V
7
CLKREQ#
SPI_CLK
SPI synchronization clock
--
3.3V
8
UIM_PWR
VREG_UIM
USIM card power supply
DO
2.85V/1.8V for
SIM card
9
GND
GND
Ground
--
Ground pin
10
UIM_DATA
UIM_DATA
USIM card data signal
DI/DO
2.85V/1.8V.this
signal requires a
pull-up resistor
on the host board
11
REFCLK-
UART1_RX
UART port receive data
DI
3.3V
12
UIM_CLK
UIM_CLK
USIM card clock signal
DO
2.85V/1.8V
13
REFCLK+
UART1_TX
UART port transmit data
DO
3.3V
14
UIM_RESET
UIM_RST
USIM card reset signal
DO
2.85V/1.8V
15
GND
GND
Ground
--
Ground pin
16
UIM_VPP
UATR1_DSR
Data is ready
DO
1.8V
17
Reserved(UIM_C8)
UART1_RI
Ringtone indicator
DO
1.8V
18
GND
GND
Ground
--
Ground pin
19
Reserved(UIM_C4)
GPIO_79
The standby and wakeup of
module
--
--
20
W_DISABLE#
W_DISABLE_N
Active low signal. This
signal is used by the system
to disable radio operation on
add-in cards that implement
radio frequency applications.
DI
Active low
21
GND
GND
Ground
--
Ground pin
22
PERST#
PERST#
Module resetting
DI
1.8V
23
PERn0
UART1_CTS
UART port, clear to send
DI
1.8V
24
+3.3Vaux
VDD_3V3
3.3V supply
DI
3.1V-3.6V，The
typical value is
3.3V
25
PERp0
UART1_RFR
UART port, preparing to
receive
DO
1.8V
26
GND
GND
Ground
--
Ground pin
27
GND
GND
Ground
--
Ground pin