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)
22.3.2.47 Port H Input Register (PTIH)
7
6
5
4
3
2
1
0
R
W
Reset
1
PTIH7
PTIH6
PTIH5
PTIH4
PTIH3
PTIH2
PTIH1
PTIH0
—
—
—
—
—
—
—
—
= Unimplemented or Reserved
Figure 22-49. Port H Input Register (PTIH)
1
These registers are reset to zero. Two bus clock cycles after reset release the register values are updated with the associated
pin values.
Read: Anytime.
Write: Never, writes to this register have no effect.
This register always reads back the buffered state of the associated pins. This can also be used to detect
overload or short circuit conditions on output pins.
MC9S12XDP512 Data Sheet, Rev. 2.21
862
Freescale Semiconductor