TC1796
System Units (Vol. 1 of 2)
General Purpose I/O Ports and Peripheral I/O Lines
User’s Manual 10-79 V2.0, 2007-07
Ports, V2.0
10.12.3.3 Port 9 Input/Output Control Register 8
10.12.3.4 Port 9 Input Register
The basic P9_IN register functionality is described on Page 10-17. Port lines P9.[15:9]
are not available. Therefore, the P9_IN bits P[15:9] are always read as 0.
10.12.3.5 Port 9 Emergency Stop Register
The basic P9_ESR register functionality is described on Page 10-16. At Port 9, only port
lines P9.[8:0] are implemented. Therefore, the P9_ESR bits EN[15:9] are not
implemented. They are always read as 0 and should be written with 0.
P9_IOCR8
Port 9 Input/Output Control Register 8
(14
H
) Reset Value: 0000 0020
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
r
1514131211109876543210
0PC80
rrwr
Field Bits Type Description
PC8 [7:4] rw Port Control for P9.8
This bit field determines the P9.8 functionality.
0 [3:0],
[31:8]
r Reserved
Read as 0; should be written with 0.
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