1 digital i/o pin out, 2 spi pin out, Digital i/o pin out – BECKHOFF ET1200 User Manual
Page 31: Spi pin out, Table 25: mapping of digital i/o interface, Table 26: mapping of spi interface

Pin Description
Slave Controller
– ET1200 Hardware Description
III-21
3.8.1
Digital I/O Pin Out
Table 25: Mapping of Digital I/O Interface
PDI Signal
MODE[1:0]=00
MODE[1:0]=10/11
Signal
Dir.
Signal
Dir.
PDI[0]
I/O[0]
BD
I/O[0]
BD
PDI[1]
I/O[1]
BD
I/O[1]
BD
PDI[2]
I/O[2]
BD
I/O[2]
BD
PDI[3]
I/O[3]
BD
I/O[3]
BD
PDI[4]
I/O[4]
BD
I/O[4]
BD
PDI[5]
I/O[5]
BD
I/O[5]
BD
PDI[6]/CLK25OUT
I/O[6]
BD
I/O[6]
BD
PDI[7]/CPU_CLK
I/O[7]
BD
I/O[7]
BD
PDI[8]
I/O[8]
BD
MII
PDI[9]
I/O[9]
BD
PDI[10]
I/O[10]
BD
PDI[11]
I/O[11]
BD
PDI[12]
I/O[12]
BD
PDI[13]
I/O[14]
BD
PDI[14]
I/O[15]
BD
PDI[15]
I/O[16]
BD
PDI[16]
OUTVALID/WD_TRIG
O
PDI[17]
LATCH_IN/SOF
I/O
3.8.2
SPI Pin Out
Table 26: Mapping of SPI Interface
PDI Signal
MODE[1:0]=00
MODE[1:0]=10/11
Signal
Dir.
Signal
Dir.
PDI[0]
SPI_CLK
I
SPI_CLK
I
PDI[1]
SPI_SEL
I
SPI_SEL
I
PDI[2]
SPI_DI
I
SPI_DI
I
PDI[3]
SPI_DO
O
SPI_DO
O
PDI[4]
SPI_IRQ
O
SPI_IRQ
O
PDI[5]
EEPROM_LOADED
O
EEPROM_LOADED
O
PDI[6]/CLK25OUT
GPO[0]
O
GPO[0]
O
PDI[7]/CPU_CLK
GPO[1]
O
GPO[1]
O
PDI[8]
GPO[2]
O
MII
PDI[9]
GPO[3]
O
PDI[10]
GPO[4]
O
PDI[11]
GPO[5]
O
PDI[12]
GPO[6]
O
PDI[13]
GPO[7]
O
PDI[14]
GPO[8]
O
PDI[15]
GPO[9]
O
PDI[16]
GPO[10]
O
PDI[17]
GPO[11]
O