Table of Contents
Advertisement
8.2.3
Pin Functions
Table 8.3 shows the port 1 pin functions.
Table 8.3
Port 1 Pin Functions
Pin
Pin Functions and Selection Method
P1
/IRQ
/TMIF
The pin function depends on bit IRQ3 in PMR1, bits CKSL2 to CKSL0 in TCRF,
7
3
and bit PCR1
CKSL2 to CKSL0
Note: When this pin is used as the TMIF input pin, clear bit IEN3 to 0 in IENR1
P1
The pin function depends on bit PCR1
6
Note: Pin 16 and the associated function are not implemented on the H8/38124
P1
/IRQ
The pin function depends on bit IRQ4 in PMR1, bit TRGE in AMR, and bit PCR1
4
4
ADTRG
in PCR1.
Note: When this pin is used as the ADTRG input pin, clear bit IEN4 to 0 in
P1
/TMIG
The pin function depends on bit TMIG in PMR1 and bit PCR1
3
Rev. 6.00, 08/04, page 194 of 628
in PCR1.
7
IRQ
3
PCR1
7
Pin function
P1
7
to disable the IRQ
PCR1
6
Pin function
Group.
IRQ4
PCR1
4
TRGE
Pin function
P1
4
IENR1 to disable the IRQ
TMIG
PCR1
3
Pin function
P1
3
0
0
1
*
output pin IRQ
input pin P1
7
interrupt.
3
in PCR1.
6
0
P1
input pin
6
0
0
1
*
output pin IRQ
input pin P1
4
interrupt.
4
0
0
1
input pin P1
output pin
3
1
*
Not 0**
0**
IRQ
input pin
/TMIF
3
3
input pin
1
P1
output pin
6
1
*
0
1
input pin IRQ
/ADTRG
4
4
input pin
in PCR1.
3
1
*
TMIG input pin
*: Don't care
4
Advertisement
Table of Contents
