Table of Contents
Advertisement
MB96300 Super Series Hardware Manual
13.2.5
Port Input Level Register (PILRnn) and
Extended Port Input Level Register (EPILRnn)
The digital input level of each pin can be programmed between CMOS Hysteresis,
Automotive Hysteresis or TTL level with these two registers.
■ Port Input Level Register (PILRnn) and
Extended Port Input Level Register(EPILRnn)
R/W: Readable and writeable
-
: Undefined
Bits ILx (PILR00 to PILRnn) and EILx (EPILR00 to EPILRnn)
Set the digital input level with these bits.
Table 13.2-4 Input level selection
ILx
EILx
0
0
1
0
0
1
1
1
Figure 13.2-6 Input level and extended input level registers
7
6
5
IL7
IL6
IL5
7
6
5
EIL7
EIL6
EIL5
input level
CMOS (0307)
Automotive Hysteresis
TTL
CMOS(0208)
4
3
2
1
IL4
IL3
IL2
IL1
4
3
2
1
EIL4
EIL3
EIL2
EIL1
V
V
IL
IH
0.3 x VDD
0.7 x VDD
0.5 x VDD
0.8 x VDD
0.8V
2.1V
0.2 x VDD
0.8 x VDD
CHAPTER 13 I/O PORTS
0
PILRnn
IL0
Initial value
Access
00000000
R/W
B
0
EPILRnn
EIL0
Initial value
Access
00000000
R/W
B
357
Advertisement
Table of Contents
