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H8/3924, H8/3925, H8/3926, H8/3927
Block Diagram
P1
/TMOW
0
P1
/TMOE
1
P1
/UD
2
P1
/TMIC
3
P1
/PWM
4
P1
/IRQ
5
1
P1
/IRQ
6
2
P1
/IRQ
/TRGV
7
3
P3
/SCK
0
1
P3
/SI
1
1
P3
/SO
2
1
P3
/SCK
3
2
P3
/SI
4
2
P3
/SO
5
2
P3
/STRB
6
P3
/CS
7
P4
0
P4
1
P4
2
P4
3
P4
4
P4
5
P4
6
P4
7
CPU
H8/300L
ROM
(PROM or mask ROM)
(32, 40, 48, or 60 kbytes)
Timer A
Timer B
1
Timer B
2
Timer B
3
Timer C
Timer E
Watchdog timer
A/D converter
Port B
RAM
(1 kbyte)
Serial
communications
interface 1
Serial
communications
interface 2
Timer X
Timer Y
Timer V
14-bit PWM
D/A
converter
Port C
78
P8
7
P8
/FTID
6
P8
/FTIC
5
/FTIB
P8
4
P8
/FTIA
3
P8
/FTOB
2
P8
/FTOA
1
P8
/FTCI
0
P7
7
P7
/TMOV
6
P7
/TMCIV
5
/TMRIV
P7
4
P7
3
P7
2
P7
1
P7
0
P6
/RP
7
7
P6
/RP
6
6
P6
/RP
5
5
/RP
P6
4
4
P6
/RP
3
3
P6
/RP
2
2
P6
/RP
1
1
P6
/RP
0
0
P5
/INT
/TMIY
7
7
/INT
P5
/TMIB
6
6
P5
/INT
/ADTRG
5
5
/INT
P5
4
4
P5
/INT
3
3
P6
/INT
2
2
P5
/INT
1
1
P5
/INT
0
0
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