Datasheet

Section 8 I/O Ports
Rev. 6.00 Aug 04, 2006 page 211 of 680
REJ09B0145-0600
Pin Pin Functions and Selection Method
P1
3
/TMIG The pin function depends on bit TMIG in PMR1 and bit PCR1
3
in PCR1.
TMIG 0 1
PCR1
3
01 *
Pin function P1
3
input pin P1
3
output pin TMIG input pin
P1
2
/TMOFH The pin function depends on bit TMOFH in PMR1 and bit PCR1
2
in PCR1.
TMOFH 0 1
PCR1
2
01 *
Pin function P1
2
input pin P1
2
output pin TMOFH output pin
P1
1
/TMOFL The pin function depends on bit TMOFL in PMR1 and bit PCR1
1
in PCR1.
TMOFL 0 1
PCR1
1
01 *
Pin function P1
1
input pin P1
1
output pin TMOFL output pin
P1
0
/TMOW The pin function depends on bit TMOW in PMR1 and bit PCR1
0
in PCR1.
TMOW 0 1
PCR1
0
01 *
Pin function P1
0
input pin P1
0
output pin TMOW output pin
*: Don’t care
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 Sleep Subsleep Standby Watch Subactive Active
P1
7
/IRQ
3
/TMIF
P1
6
/IRQ
2
P1
5
/IRQ
1
/TMIC
P1
4
/IRQ
4
/ADTRG
P1
3
/TMIG
P1
2
/TMOFH
P1
1
/TMOFL
P1
0
/TMOW
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance*
Retains
previous
state
Functional Functional
Note: * A high-level signal is output when the MOS pull-up is in the on state.