3.2.3.4 Line Input Register LINEIN (Offset 0x010C)
Bit
Symbol
Description
Access
Reset
Value
31:16
-
Reserved
Write: don't care
Read: always reads as '0'
R
0
15
LINEIN15
I/O Line 15
Reflects the actual input state of the debounced TTL
I/O lines at all times, including I/O lines configured
as output in the LINEDIR (to provide readback
functionality)
0 = TTL I/O line logic low
1 = TTL I/O line logic high
R
0
14
LINEIN14
I/O Line 14
0
13
LINEIN13
I/O Line 13
0
12
LINEIN12
I/O Line 12
0
11
LINEIN11
I/O Line 11
0
10
LINEIN10
I/O Line 10
0
9
LINEIN9
I/O Line 9
0
8
LINEIN8
I/O Line 8
0
7
LINEIN7
I/O Line 7
0
6
LINEIN6
I/O Line 6
0
5
LINEIN5
I/O Line 5
0
4
LINEIN4
I/O Line 4
0
3
LINEIN3
I/O Line 3
0
2
LINEIN2
I/O Line 2
0
1
LINEIN1
I/O Line 1
0
0
LINEIN0
I/O Line 0
0
Table 3-22: Line Input Register
TPMC851 User Manual Issue 1.0.9
Page 29 of 65