Pin States; Table 8.4 Port 1 Pin States - Renesas H8/3847R Series Hardware Manual

8-bit single-chip microcomputer super low power
Table of Contents

Advertisement

Pin
Pin Functions and Selection Method
P1
/TMIG
The pin function depends on bit TMIG in PMR1 and bit PCR1
3
P1
/TMOFH
The pin function depends on bit TMOFH in PMR1 and bit PCR1
2
P1
/TMOFL
The pin function depends on bit TMOFL in PMR1 and bit PCR1
1
P1
/TMOW
The pin function depends on bit TMOW in PMR1 and bit PCR1
0
8.2.4

Pin States

Table 8.4 shows the port 1 pin states in each operating mode.
Table 8.4
Port 1 Pin States
Pins
Reset
P1
/IRQ
/TMIF
High-
7
3
P1
/IRQ
impedance
6
2
P1
/IRQ
/TMIC
5
1
P1
/IRQ
/ADTRG
4
4
P1
/TMIG
3
P1
/TMOFH
2
P1
/TMOFL
1
P1
/TMOW
0
Note:
* A high-level signal is output when the MOS pull-up is in the on state.
TMIG
PCR1
3
Pin function
P1
input pin
3
TMOFH
PCR1
2
Pin function
P1
input pin
2
TMOFL
PCR1
1
Pin function
P1
input pin
1
TMOW
PCR1
0
Pin function
P1
input pin
0
Sleep
Subsleep
Retains
Retains
previous
previous
state
state
0
0
1
P1
output pin
3
0
0
1
P1
output pin
2
0
0
1
P1
output pin
1
0
0
1
P1
output pin
0
Standby
Watch
High-
Retains
impedance*
previous
state
Rev. 6.00 Aug 04, 2006 page 211 of 680
Section 8 I/O Ports
in PCR1.
3
1
*
TMIG input pin
in PCR1.
2
1
*
TMOFH output pin
in PCR1.
1
1
*
TMOFL output pin
in PCR1.
0
1
*
TMOW output pin
*: Don't care
Subactive
Active
Functional
Functional
REJ09B0145-0600

Advertisement

Table of Contents
loading

Table of Contents