TPMC533 User Manual Issue 1.0.1
Page 56 of 107
3.2.1.8 DIO Registers
The following registers deal with the Digital I/O interface on the Front I/O connector of the TPMC533.
3.2.1.8.1
DIO Input Register (0x354)
The Digital I/O receivers are always enabled, so each DIO level can always be monitored.
Bit
Symbol
Description
Access
Reset
Value
31:8
-
Reserved
-
-
7
IN8
DIO8 Input
Refer to the DIO1 Input bit for description.
R
0
6
IN7
DIO7 Input
Refer to the DIO1 Input bit for description.
R
0
5
IN6
DIO6 Input
Refer to the DIO1 Input bit for description.
R
0
4
IN5
DIO5 Input
Refer to the DIO1 Input bit for description.
R
0
3
IN4
DIO4 Input
Refer to the DIO1 Input bit for description.
R
0
2
IN3
DIO3 Input
Refer to the DIO1 Input bit for description.
R
0
1
IN2
DIO2 Input
Refer to the DIO1 Input bit for description.
R
0
0
IN1
DIO1 Input
Reflects the actual input state of Digital I/O 1 at all times,
even if DIO1 is configured as output in the DIO Direction
Register
0: Digital I/O 1 is logic low.
1: Digital I/O 1 is logic high.
R
0
Table 3-58: DIO Input Register