HD6433935 Hitachi, HD6433935 Datasheet - Page 165
HD6433935
Manufacturer Part Number
HD6433935
Description
8-Bit MICROCONTROLLER
Manufacturer
Hitachi
Datasheet
1.HD6433935.pdf
(521 pages)
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8.4.4
Table 8-10 shows the port 3 pin states in each operating mode.
Table 8-10 Port 3 Pin States
Pins
P3
P3
P3
P3
P3
P3
P3
P3
Note:
8.4.5
Port 3 has a built-in MOS input pull-up function that can be controlled by software. When a
PCR3 bit is cleared to 0, setting the corresponding PUCR3 bit to 1 turns on the MOS pull-up for
that pin. The MOS pull-up function is in the off state after a reset.
PCR3
PUCR3
MOS input pull-up
7
6
5
4
3
2
1
0
/TXD
/RXD
/SCK
/RESO
/UD
n
n
31
31
*
31
Pin States
MOS Input Pull-Up
A high-level signal is output when the MOS pull-up is in the on state.
Reset
High-
impedance
Reset output
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
Active
Functional
(n = 7 to 0)
153
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