HD6433935 Hitachi, HD6433935 Datasheet - Page 154

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

8.2.4
Table 8-4 shows the port 1 pin states in each operating mode.
Table 8-4
Pins
P1
P1
P1
P1
P1
P1
P1
P1
Note:
8.2.5
Port 1 has a built-in MOS input pull-up function that can be controlled by software. When a
PCR1 bit is cleared to 0, setting the corresponding PUCR1 bit to 1 turns on the MOS input pull-up
for that pin. The MOS input pull-up function is in the off state after a reset.
PCR1
PUCR1
MOS input pull-up
142
7
6
5
4
3
2
1
0
/IRQ
/IRQ
/IRQ
/IRQ
/TMIG
/TMOFH
/TMOFL
/TMOW
n
3
2
1
4
n
/TMIF
/TMIC
/ADTRG
*
Pin States
MOS Input Pull-Up
A high-level signal is output when the MOS pull-up is in the on state.
Port 1 Pin States
Reset
High-
impedance
0
0
Off
Sleep
Retains
previous
state
Subsleep
Retains
previous
state
0
1
On
Standby
High-
impedance*
Watch
Retains
previous
state
1
*
Off
Subactive
Functional
*: Don’t care
(n = 7 to 0)
Active
Functional