8. I/O Ports
Rev.3.00 Jul. 19, 2007 page 178 of 532
REJ09B0397-0300
Bit 0—P1
0
/TMOW Pin Function Switch (TMOW):
This bit selects whether pin P1
0
/TMOW is
used as P1
0
or as TMOW.
Bit 0: TMOW
Description
0
Functions as P1
0
I/O pin
(initial value)
1
Functions as TMOW output pin
8.2.3 Pin
Functions
H8/3857 Group port 1 pin functions are shown in figure 8.3 (a), and H8/3854 Group port 1 pin
functions in figure 8.3 (b).
Table 8.3 (a)
H8/3857 Group Port 1 Pin Functions
Pin
Pin Functions and Selection Method
P1
7
/
IRQ
3
/TMIF
The pin function depends on bit IRQ3 in PMR1, bits CKSL2 to CKSL0 in TCRF,
and bit PCR1
7
in PCR1.
IRQ3
0
1
PCR1
7
0
1
*
CKSL2 to CKSL0
***
Not
0
**
0
**
Pin
function
P1
7
input pin P1
7
output pin
IRQ
3
input pin
IRQ
3
/TMIF
input pin
Note: When using as TMIF input pin, clear bit IEN3 in IENR1 to 0, disabling
IRQ
3
interrupts.
P1
6
/
IRQ
2
/TMIC
The pin function depends on bit IRQ2 in PMR1, bits TMC2 to TMC0 in TMC, and
bit PCR1
6
in PCR1.
IRQ2
0
1
PCR1
6
0
1
*
TMC2 to TMC0
***
Not
111
111
Pin
function
P1
6
input pin P1
6
output pin
IRQ
2
input pin
IRQ
2
/TMIC
input pin
Note: When using as TMIC input pin, clear bit IEN2 in IENR1 to 0, disabling
IRQ
2
interrupts.
Summary of Contents for F-ZTAT H8 Series
Page 6: ...Rev 3 00 Jul 19 2007 page iv of xxiv REJ09B0397 0300...
Page 194: ...7 RAM Rev 3 00 Jul 19 2007 page 168 of 532 REJ09B0397 0300...
Page 234: ...8 I O Ports Rev 3 00 Jul 19 2007 page 208 of 532 REJ09B0397 0300...
Page 274: ...9 Timers Rev 3 00 Jul 19 2007 page 248 of 532 REJ09B0397 0300...
Page 352: ...12 A D Converter Rev 3 00 Jul 19 2007 page 326 of 532 REJ09B0397 0300...
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