cp3cn23 National Semiconductor Corporation, cp3cn23 Datasheet - Page 13

• Manufacturer Part Number: cp3cn23
• Description: Cp3cn23 Reprogrammable Connectivity Processor With Dual Can Interfaces
• Manufacturer: National Semiconductor Corporation

VREFP
PC[7:0]
PB[7:0]
A[22:0]
SELIO
Name
SEL0
SEL1
SEL2
WR0
WR1
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
RD
Pins
23
1
8
8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Input
I/O
I/O
Output
Output
Output
Output
Output
Output
Output
Output
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
ADC Positive Voltage Reference
Generic I/O
Generic I/O
External Address Bus Bits 0 to 22
Chip Select for Zone 0
Chip Select for Zone 1
Chip Select for Zone 2
Chip Select for I/O Zone
External Memory Write Low Byte
External Memory Write High Byte
External Memory Read
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Generic I/O
Primary Function
13
None
D[7:0]
D[8:15]
None
None
None
None
None
None
None
None
RXD0
TXD0
RTS
CTS
CKX
TB
SRFS
NMI
CAN1RX
CAN1TX
MSK
TIO1
MDIDO
TIO2
MDODI
TIO3
MWCS
TIO4
SCK
TIO5
SFS
TIO6
STD
TIO7
SRD
TIO8
Alternate
Name
None
External Data Bus Bits 0 to 7
External Data Bus Bits 8 to 15
None
None
None
None
None
None
None
None
UART0 Receive Data Input
UART0 Transmit Data Output
UART0 Ready-To-Send Output
UART0 Clear-To-Send Input
UART0 Clock Input
Multi Function Timer Port B
AAI Receive Frame Sync
Non-Maskable Interrupt Input
UART Channel 0 Ready-To-Send Output
UART Channel 0 Clear-To-Send Input
SPI Shift Clock
Versatile Timer Channel 1
SPI Master In Slave Out
Versatile Timer Channel 2
SPI Master Out Slave In
Versatile Timer Channel 3
SPI Slave Select Input
Versatile Timer Channel 4
AAI Clock
Versatile Timer Channel 5
AAI Frame Synchronization
Versatile Timer Channel 6
AAI Transmit Data Output
Versatile Timer Channel 7
AAI Receive Data Input
Versatile Timer Channel 8
Alternate Function
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