National CP3BT26 - Manual (Page 13)

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CP3
BT26
ADC3 1 I/O ADC Input Channel 3 TSY- Touchscreen Y- contact
ADC4 1 I/O ADC Input Channel 4 MUXOUT0 Analog Multiplexer Output 0
ADC5 1 I/O ADC Input Channel 5 MUXOUT1 Analog Multiplexer Output 1
ADC6 1 Input ADC Input Channel 6 None None
ADC7 1 Input ADC Input Channel 7 ADCIN ADC Input (in MUX mode)
VREFP 1 Input ADC Positive Voltage Reference None None
PB[7:0] 8 I/O Generic I/O D[7:0] External Data Bus Bits 0 to 7
PC[7:0] 8 I/O Generic I/O D[8:15] External Data Bus Bits 8 to 15
A[22:0] 23 Output External Address Bus Bits 0 to 22 None None
SEL0 1 Output Chip Select for Zone 0 None None
SEL1 1 Output Chip Select for Zone 1 None None
SEL2 1 Output Chip Select for Zone 2 None None
SELIO 1 Output Chip Select for I/O Zone None None
WR0 1 Output External Memory Write Low Byte None None
WR1 1 Output External Memory Write High Byte None None
RD 1 Output External Memory Read None None
PE0 1 I/O Generic I/O RXD0 UART0 Receive Data Input
PE1 1 I/O Generic I/O TXD0 UART0 Transmit Data Output
PE2 1 I/O Generic I/O RTS UART0 Ready-To-Send Output
PE3 1 I/O Generic I/O CTS UART0 Clear-To-Send Input
PE4 1 I/O Generic I/O
CKX UART0 Clock Input
TB Multi Function Timer Port B
PE5 1 I/O Generic I/O
SRFS AAI Receive Frame Sync
NMI Non-Maskable Interrupt Input
PF0 1 I/O Generic I/O
MSK SPI Shift Clock
TIO1 Versatile Timer Channel 1
PF1 1 I/O Generic I/O
MDIDO SPI Master In Slave Out
TIO2 Versatile Timer Channel 2
PF2 1 I/O Generic I/O
MDODI SPI Master Out Slave In
TIO3 Versatile Timer Channel 3
PF3 1 I/O Generic I/O
MWCS SPI Slave Select Input
TIO4 Versatile Timer Channel 4
PF4 1 I/O Generic I/O
SCK AAI Clock
TIO5 Versatile Timer Channel 5
PF5 1 I/O Generic I/O
SFS AAI Frame Synchronization
TIO6 Versatile Timer Channel 6
Name Pins I/O Primary Function
Alternate
Name
Alternate Function