cp3ub17 National Semiconductor Corporation, cp3ub17 Datasheet - Page 13

• Manufacturer Part Number: cp3ub17
• Description: Reprogrammable Connectivity Processor With Usb Interface
• Manufacturer: National Semiconductor Corporation

PH3
PH4
PH5
PH6
PH7
PI0
PI1
PI2
PI3
PI4
PI5
PI6
PI7
SDA
SCL
D+
D-
UVCC
UGND
PB[7:0]
PC[7:0]
A[21:0]
SEL0
SEL1
SEL2
SELIO
WR0
WR1
RD
ENV0
Name
Pins
22
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8
8
1
1
1
1
1
1
1
1
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
Input
Input
I/O
I/O
Output
Output
Output
Output
Output
Output
Output
Output
I/O
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
ACCESS.bus Serial Data
ACCESS.bus Clock
USB D+ Upstream Port
USB D- Upstream Port
3.3V USB Transceiver Supply
USB Transceiver Ground
Generic I/O
Generic I/O
External Address Bus
Bit 0 to 21
Chip Select for Zone 0
Chip Select for Zone 1
Chip Select for Zone 2
Chip Select for Zone I/O Zone
External Memory Write Low Byte
External Memory Write High Byte
External Memory Read
Special mode select input with in-
ternal pull-up during reset
Primary Function
13
MWCS
TIO4
SCK
TIO5
SFS
TIO6
STD
TIO7
SRD
TIO8
None
None
SRCLK
None
None
None
WUI9
TA
None
None
None
None
None
None
D[7:0]
D[15:8]
None
None
None
None
None
None
None
None
PLLCLK
Alternate
Name
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
None
None
AAI Receive Clock
None
None
None
Multi-Input Wake-Up Channel 9
Multi Function Timer Port A
None
None
None
None
None
None
External Data Bus Bit 0 to 7
External Data Bus Bit 8 to 15
None
None
None
None
None
None
None
None
PLL Clock Output
Alternate Function
www.national.com