CP3UB17G38 NSC [National Semiconductor], CP3UB17G38 Datasheet - Page 12

• Manufacturer Part Number: CP3UB17G38
• Description: CP3UB17 Reprogrammable Connectivity Processor with USB Interface
• Manufacturer: NSC [National Semiconductor]

www.national.com
4.1
Some pins may be enabled as general-purpose I/O-port
pins or as alternate functions associated with specific pe-
ripherals or interfaces. These pins may be individually con-
X1CKI
X1CKO
X2CKI
X2CKO
AVCC
IOVCC
VCC
GND
AGND
RESET
TMS
TDI
TDO
TCK
RDY
PG0
PG1
PG2
PG3
PG5
PH0
PH1
PH2
Name
PIN DESCRIPTION
Pins
1
1
1
1
1
4
2
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Input
Output
Input
Output
Input
Input
Input
Input
Input
Input
Input
Input
Output
Input
Output
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Table 4 CP3UB17 Pin Description for the 100-Pin LQFP Package
12 MHz Oscillator Input
12 MHz Oscillator Output
32 kHz Oscillator Input
32 kHz Oscillator Output
PLL Analog Power Supply
2.5V - 3.3V I/O Power Supply
2.5V Core Logic
Power Supply
Reference Ground
PLL Analog Ground
Chip general reset
JTAG Test Mode Select
(with internal weak pull-up)
JTAG Test Data Input
(with internal weak pull-up)
JTAG Test Data Output
JTAG Test Clock Input
(with internal weak pull-up)
NEXUS Ready Output
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
12
figured as port pins, even when the associated peripheral or
interface is enabled. Table 4 lists the device pins.
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
RXD
WUI10
TXD
WUI11
RTS
WUI12
CTS
WUI13
SRFS
NMI
MSK
TIO1
MDIDO
TIO2
MDODI
TIO3
Alternate
Name
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
UART Receive Data Input
Multi-Input Wake-Up Channel 10
UART Transmit Data Output
Multi-Input Wake-Up Channel 11
UART Ready-To-Send Output
Multi-Input Wake-Up Channel 12
UART Clear-To-Send Input
Multi-Input Wake-Up Channel 13
AAI Receive Frame Sync
Non-Maskable Interrupt 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
Alternate Function