MC9S12E128CFUE Datasheet, PDF (130/606 Pages) Freescale Semiconductor, Inc – MC9S12E128 Data Sheet

Chapter 3 Port Integration Module (PIM9E128V1)
3.3.1.2 Port AD Input Register (PTIAD)
7
R PTIAD15
W
Reset
1
6
PTIAD14
1
5
PTIAD13
1
4
PTIAD12
1
3
PTIAD11
1
2
PTIAD10
1
1
PTIAD9
1
0
PTIAD8
1
R
W
Reset
7
PTIAD7
1
6
PTIAD6
5
PTIAD5
4
PTIAD4
3
PTIAD3
2
PTIAD2
1
1
1
1
1
= Reserved or Unimplemented
Figure 3-3. Port AD Input Register (PTIAD)
1
PTIAD1
1
0
PTIAD0
1
Read: Anytime. Write: Never; writes to these registers have no effect.
If the ATDDIEN0(1) bit of the associated I/O pin is set to 0 (digital input buffer is disabled), a read returns
a 1. If the ATDDIEN0(1) bit of the associated I/O pin is set to 1 (digital input buffer is enabled), a read
returns the status of the associated pin.
MC9S12E128 Data Sheet, Rev. 1.07
130
Freescale Semiconductor