Datasheet

Software-Controlled Switches (SoftConfig)
2-12 ADSP-BF609 EZ-KIT Lite Evaluation System Manual
5 ~CNT0DG_EN Rotary counter 0 count
down connected to rotary
connector
U31 PG12/SPT2_
BD0/TM0_
TMR7/CNT0_DG
SW9 Low
6
~CNT0ZM_EN Rotary counter 0 count zero
connected to rotary connec-
tor
U32 PG07/SPT2_
BFS/TM0_
TMR5/CNT0_ZM
SW9 Low
7
RMII_CLK_EN RMII clock for EMAC0 dis-
abled
U43 Low
Table 2-6. Output Signals of Microchip GPIO Expander
(U45 Port B)
Bit Signal Name Description FET Processor Signal
(if applicable)
Component
Connected
Default
0
~UART0RTS_EN UART0 RTS connected to
UART transceiver U39
U21 PD09/~SPI0_
SEL5/UART0_
RTS
/SPI1_SEL4
U39 Low
1
~UART0RX_EN UART0 RX connected to
UART transceiver U39
U20 PD08/~UART0_
RX~/TM0_ACI0
U39 Low
2
~UART0CTS_EN UART0 CTS disconnected
from UART transceiver U39
by default
U19 PD10/SPI0_
RDY/
~UART0_
CTS/SPI1_SEL3
U39
High
3
~UART0CTS_RTS_LPBK UART0 CTS and RTS not
connected. Change to low
for looping back UART0
CTS and RTS signals
U18 High
4
~UART0CTS_RST_EN UART0 CTS signal not con-
nected to input of reset IC
(U48)
U17 High
Table 2-5. Output Signals of Microchip GPIO Expander
(U45 Port A) (Cont’d)
Bit Signal Name Description FET Processor Signal
(if applicable)
Component
Connected
Default