Analog Devices ADSP-CM403F EZ-KIT Lite Manual page 44

Software-Controlled Switches (SoftConfig)
Table 2-3. Output Signals of Microchip GPIO Expander
(U27 Port A)
Bit Signal Name
0
1
PB_10_J7_EN
2
PB_11_J7_EN
3
UART0RTS_EN
4
UART0RX_EN
5
UART0CTS_EN
6
UART0CTS_RTS_LPBK
7
UART0CTS_RST_EN
2-10
Description
Not used
Processor pin
PB_10
connection to expan-
sion connector
J7
Processor pin
PB_11
connection to expan-
sion connector
J7
UART0 RTS
connected to RS-232
transceiver
UART0 RX
connected to RS-232
transceiver
UART0 CTS
disconnected from
RS-232 transceiver
by default
UART0 CTS and
RTS not connected.
Change to low for
looping back RS-232
CTS and RTS signals
UART0 CTS signal
not connected to
input of reset IC
ADSP-CM403F EZ-KIT Lite Evaluation System Manual
FET Processor Signal
(if applicable)
U8 PB_10/SINC0_CLK0/
SPI0_D2/CAN1_RX/
SMC0_AWE/TM0_ACI1
U9 PB_11/SINC0_D0/
SPI0_D3/CAN1_TX/
SMC0_AMS0/TM0_ACLK1
U10 PB_04/PWM2_SYNC/
UART0_RTS/SPT0_
ATDV/SMC0_D12/CNT1_
UD
U11 PC_01/UART0_RX/
SMC0_A05/TM0_ACI5
U12 PB_05/PWM2_TRIP0/
UART0_CTS/TM0_TMR7/
SMC0_D13/CNT1_DG
U13
U14
Component Default
Connected
Low
Low
Low
Low
U23
Low
U23
High
U36
High
U36
High
U36