MC9S12XDP512CFU
Model | MC9S12XDP512CFU |
Description | 16-BIT, FLASH, 40MHz, MICROCONTROLLER, PQFP80 |
PDF file | Total 1348 pages (File size: 8M) |
Chip Manufacturer | PHILIPS |
Chapter 22 DP512 Port Integration Module (S12XDP512PIMV2)
Table 22-70. Expanded Bus Pin Functions versus Operating Modes (continued)
Single-Chip Modes
Pin
Normal
Single-Chip
GPIO
GPIO
GPIO
or
ECLK
GPIO
Special
Single-Chip
GPIO
GPIO
ECLK
or
GPIO
GPIO
Normal
Expanded
GPIO
RE
ECLK
or
GPIO
LDS
or
GPIO
WE
GPIO
or
CS2
GPIO
or
CS0
(1)
GPIO
or
CS1
GPIO
or
CS3
Expanded Modes
Emulation
Single-Chip
TAGHI
TAGLO
ECLK
Emulation
Expanded
TAGHI
TAGLO
ECLK
Special
Test
GPIO
GPIO
ECLK
or
GPIO
LSTRB
PE6
PE5
PE4
PE3
LSTRB
LSTRB
PE2
PJ5
GPIO
GPIO
GPIO
GPIO
R/W
GPIO
R/W
GPIO
or
CS2
GPIO
or
CS0
(1)
GPIO
or
CS1
GPIO
or
CS3
R/W
GPIO
or
CS2
GPIO
or
CS0
GPIO
or
CS1
GPIO
or
CS3
PJ4
GPIO
GPIO
GPIO
PJ2
GPIO
GPIO
GPIO
PJ0
GPIO
GPIO
GPIO
1
Depending on ROMON bit.
Refer to Device Guide, S12X_EBI section and S12X_MMC section for details.
22.4.5
22.4.5.1
Low-Power Options
Run Mode
No low-power options exist for this module in run mode.
22.4.5.2
Wait Mode
No low-power options exist for this module in wait mode.
22.4.5.3
Stop Mode
All clocks are stopped. There are asynchronous paths to generate interrupts from stop on port P, H, and J.
22.5
•
Initialization and Application Information
It is not recommended to write PORTx and DDRx in a word access. When changing the register
pins from inputs to outputs, the data may have extra transitions during the write access. Initialize
the port data register before enabling the outputs.
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
889