Analog Devices ADSP-BF609 EZ-KIT Lite Manual page 57

Table 2-8. Output Signals of Microchip GPIO Expander
(U46 Port B)
Bit Signal Name
0
PUSHBUTTON1_EN
1
PUSHBUTTON2_EN
2
SD_CD_EN
3
SD_WP_EN
4
SPIFLASH_CS_EN
5
SPI0D2_EN
6
SPI0D3_EN
ADSP-BF609 EZ-KIT Lite Evaluation System Manual
ADSP-BF609 EZ-KIT Lite Hardware Reference
Description
PB10 is used as GPIO
input for push button 1,
enabled by default
PE01 is used as GPIO
input for push button 2,
enabled by default
SD memory card detect
connected to GPIO
PG10, enabled by
default
SD memory write pro-
tect connected to GPIO
PG10, enabled by
default
SPI flash chip select
SPI0SEL1 connection to
U38 SPI flash, connected
by default
SPI flash data 2 connec-
tion to U38 SPI flash,
connected by default.
This is needed for quad
access mode.
SPI flash data 3 connec-
tion to U38 SPI flash,
connected by default.
This is needed for quad
access mode.
FET Processor Signal
(if applicable)
U23 PB10/SMC0_
A24/SPT0_
BD1/TM0_ACLK0
U22 PE01/SPI1_
D2/PPI0_
D19/SPT1_BD0
U15 PG10/UART1_
RTS/SPT2_BCLK
U14 PG13/UART1_
CTS/TM0_CLK
U13 PD11/SPI0_
SEL1/SPI0_SS
U12 PD00/SPI0_
D2/PPI1_
D16/SPI0_SEL3
U16 PD01/SPI0_
D3/PPI1_
D17/SPI0_SEL2
Component Default
Connected
Low
SW6
Low
SW7
Low
J5
Low
J5
Low
U38
Low
U38
Low
U38
2-15