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171
USB_SS1_RX_P
172
USB_SS1_RX_M
174
USB_SS1_TX_P
175
USB_SS1_TX_M
161
USB_SS2_RX_M
162
USB_SS2_RX_P
164
USB_SS2_TX_M
165
USB_SS2_TX_P
4.2. UART Interfaces
The module provides 3 UART interfaces:
⚫
UART5: 4-wire UART interface, hardware flow control supported.
⚫
UART1: 4-wire UART interface, hardware flow control supported.
⚫
Debug UART : 2-wire UART interface; used for debugging by default.
Pin definition of the UART interfaces is here as follows:
Table 13: Pin Definition of UART Interfaces
Pin Name
DBG_TXD
DBG_RXD
UART5_TXD
UART5_RXD
GPIO_15
GPIO_14
UART1_TXD
SC690A_Series_Hardware_Design
Pin No.
I/O
Description
5
DO
Debug UART transmit.
6
DI
Debug UART receive.
7
DO
UART5 transmit
8
DI
UART5 receive
General-purpose
249
DO
input/output
General-purpose
251
DI
input/output
60
DO
UART1 transmit
26.12
25.80
25.53
25.51
30.25
30.58
35.50
35.25
Smart Module Series
0.32
0.02
-0.33
0.25
Comment
1.8 V power domain.
Can be multiplexed into
UART5_RTS.
Can be multiplexed into
UART5_CTS.
47 / 105
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