
ADSP-BF531/ADSP-BF532/ADSP-BF533
Rev. 0
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Page 17 of 56
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March 2004
Parallel Peripheral Interface Port/GPIO
PF0/
SPISS
PF1
/SPISEL1/TMRCLK
PF2/
SPISEL2
PF3/
SPISEL3/PPI_FS3
PF4/
SPISEL4/PPI15
PF5/
SPISEL5/PPI14
PF6/
SPISEL6/PPI13
PF7/
SPISEL7/PPI12
PF8/
PPI11
PF9/
PPI10
PF10/
PPI9
PF11/
PPI8
PF12/
PPI7
PF13/
PPI6
PF14/
PPI5
PF15/
PPI4
PPI3–0
PPI_CLK
Serial Ports
RSCLK0
RFS0
DR0PRI
DR0SEC
TSCLK0
TFS0
DT0PRI
DT0SEC
RSCLK1
RFS1
DR1PRI
DR1SEC
TSCLK1
TFS1
DT1PRI
DT1SEC
SPI Port
MOSI
MISO
7
SCK
I/O Programmable Flag 0/
SPI Slave Select Input
I/O Programmable Flag 1/
SPI Slave Select Enable 1/External Timer Reference
C
5
I/O Programmable Flag 2/
SPI Slave Select Enable 2
I/O Programmable Flag 3/
SPI Slave Select Enable 3/PPI Frame Sync 3
I/O Programmable Flag 4/
SPI Slave Select Enable 4 / PPI 15
I/O Programmable Flag 5/
SPI Slave Select Enable 5 / PPI 14
I/O Programmable Flag 6/
SPI Slave Select Enable 6 / PPI 13
I/O Programmable Flag 7/
SPI Slave Select Enable 7 / PPI 12
I/O Programmable Flag 8/
PPI 11
I/O Programmable Flag 9/
PPI 10
I/O Programmable Flag 10/
PPI 9
I/O Programmable Flag 11/
PPI 8
I/O Programmable Flag 12/
PPI 7
I/O Programmable Flag 13/
PPI 6
I/O Programmable Flag 14/
PPI 5
I/O Programmable Flag 15/
PPI 4
I/O PPI3–0
I
PPI Clock
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
C
5
I/O SPORT0 Receive Serial Clock
I/O SPORT0 Receive Frame Sync
I
SPORT0 Receive Data Primary
I
SPORT0 Receive Data Secondary
I/O SPORT0 Transmit Serial Clock
I/O SPORT0 Transmit Frame Sync
O
SPORT0 Transmit Data Primary
O
SPORT0 Transmit Data Secondary
I/O SPORT1 Receive Serial Clock
I/O SPORT1 Receive Frame Sync
I
SPORT1 Receive Data Primary
I
SPORT1 Receive Data Secondary
I/O SPORT1 Transmit Serial Clock
I/O SPORT1 Transmit Frame Sync
O
SPORT1 Transmit Data Primary
O
SPORT1 Transmit Data Secondary
D
6
C
5
D
6
C
5
C
5
C
5
D
6
C
5
D
6
C
5
C
5
C
5
I/O Master Out Slave In
I/O Master In Slave Out
I/O SPI Clock
C
5
C
5
D
6
Table 9. Pin Descriptions (Continued)
Pin Name
I/O Function
Driver Type
1