MC9S12XDP512CFU
Model | MC9S12XDP512CFU |
Description | 16-BIT, FLASH, 40MHz, MICROCONTROLLER, PQFP80 |
PDF file | Total 1348 pages (File size: 8M) |
Chip Manufacturer | PHILIPS |
Table 23-1. Pin Functions and Priorities (Sheet 2 of 7)
Port
Pin Name
Pin Function
and Priority
XCLKS
1
PE[7]
ECLKX2
GPIO
MODB
1
PE[6]
TAGHI
GPIO
MODA
1
RE
PE[5]
TAGLO
GPIO
E
ECLK
PE[4]
GPIO
EROMCTL
1
PE[3]
LSTRB
LDS
GPIO
R/W
PE[2]
WE
GPIO
IRQ
PE[1]
GPIO
XIRQ
PE[0]
GPIO
I/O
General-purpose I/O
I/O
I
General-purpose I/O
Non-maskable level-sensitive interrupt input
I/O
I
O
O
I/O
O
O
I/O
I
I
I/O
O
I/O
I
I
I/O
I
I
I/O
I
O
Description
External clock selection input during RESET
Free-running clock output at Core Clock rate (ECLK x 2)
General-purpose I/O
MODB input during RESET
Instruction tagging low pin
Configurable for reduced input threshold
General-purpose I/O
MODA input during RESET
Read enable signal
Instruction tagging low pin
Configurable for reduced input threshold
General-purpose I/O
Free-running clock output at the Bus Clock rate or
programmable divided in normal modes
General-purpose I/O
EROMON bit control input during RESET
Low strobe bar output
Lower data strobe
General-purpose I/O
Read/write output for external bus
Write enable signal
General-purpose I/O
Maskable level- or falling edge-sensitive interrupt input
Mode
dependent
3
Pin Function
after Reset