N58 Hardware User Guide
Chapter 4 Module Pins
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21
allowing the
module
to
send data
Software
(open)
version: These pins
are used for data
transmission.
UART2_RTS
52
DO
Module
requesting
the user to
send data
P3
UART3 interface
UART3_RXD
11
DI
Data
receiving
P3
These pins are used
only
for
module
debugging.
UART3_TXD
12
DO
Data
sending
P3
USIM1 interface
USIM1_VCC
35
PO
USIM1
power output
P1
-
USIM1_DATA
36
B
USIM1 data
input/output
P1
Connect this pin to
USIM1_VCC by using
a 4.7 kΩ pull-up
resistor.
USIM1_CLK
37
DO
USIM1 clock
output
P1
-
USIM1_RESET 38
DO
USIM1 reset P1
-
USIM1_DET
39
DI
USIM1
detection
P3
If the hot plug function
is not used, refer to
section 5.3.3 "USIM"
for
the
handling
method of this pin.
USIM2 interface
USIM2_VCC
21
PO
USIM2
power output
P1
-
USIM2_DATA
22
B
USIM2 data
input/output
P1
Connect this pin to
USIM2_VCC by using
a 4.7 kΩ pull-up
resistor.
USIM2_CLK
23
DO
USIM2 clock
output
P1
-
USIM2_RESET 24
DO
USIM2 reset P1
-
USIM2_DET
25
DI
USIM2
detection
P3
If the hot plug function
is not used, refer to
