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Name
Pins
I/O
1
I/O
ADC Input Channel 3
ADC3
1
I/O
ADC Input Channel 4
ADC4
1
I/O
ADC Input Channel 5
ADC5
1
Input
ADC Input Channel 6
ADC6
1
Input
ADC Input Channel 7
ADC7
1
Input
ADC Positive Voltage Reference
VREFP
8
I/O
Generic I/O
PB[7:0]
8
I/O
Generic I/O
PC[7:0]
23
Output
External Address Bus Bits 0 to 22
A[22:0]
1
Output
Chip Select for Zone 0
SEL0
1
Output
Chip Select for Zone 1
SEL1
1
Output
Chip Select for Zone 2
SEL2
1
Output
Chip Select for I/O Zone
SELIO
1
Output
External Memory Write Low Byte
WR0
1
Output
External Memory Write High Byte
WR1
1
Output
External Memory Read
RD
1
I/O
Generic I/O
PE0
PE1
1
I/O
Generic I/O
PE2
1
I/O
Generic I/O
PE3
1
I/O
Generic I/O
1
I/O
Generic I/O
PE4
1
I/O
Generic I/O
PE5
1
I/O
Generic I/O
PF0
1
I/O
Generic I/O
PF1
1
I/O
Generic I/O
PF2
1
I/O
Generic I/O
PF3
1
I/O
Generic I/O
PF4
1
I/O
Generic I/O
PF5
Primary Function
13
Alternate
Alternate Function
Name
TSY-
Touchscreen Y- contact
MUXOUT0
Analog Multiplexer Output 0
MUXOUT1
Analog Multiplexer Output 1
None
None
ADCIN
ADC Input (in MUX mode)
None
None
D[7:0]
External Data Bus Bits 0 to 7
D[8:15]
External Data Bus Bits 8 to 15
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
RXD0
UART0 Receive Data Input
TXD0
UART0 Transmit Data Output
RTS
UART0 Ready-To-Send Output
CTS
UART0 Clear-To-Send Input
CKX
UART0 Clock Input
TB
Multi Function Timer Port B
SRFS
AAI Receive Frame Sync
NMI
Non-Maskable Interrupt Input
MSK
SPI Shift Clock
TIO1
Versatile Timer Channel 1
MDIDO
SPI Master In Slave Out
TIO2
Versatile Timer Channel 2
MDODI
SPI Master Out Slave In
TIO3
Versatile Timer Channel 3
MWCS
SPI Slave Select Input
TIO4
Versatile Timer Channel 4
SCK
AAI Clock
TIO5
Versatile Timer Channel 5
SFS
AAI Frame Synchronization
TIO6
Versatile Timer Channel 6
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