HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 16

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

1.2
Figure 1.1 shows a block diagram of the H8/3644 Series.
Note: * There is no P9
P1
7
/IRQ
P1
P2
P9
P1
P3
P1
P1
P2
0
P2
P3
3
0
Internal Block Diagram
/TMOW
0
P3
4
0
/TRGV
/SCK
/FV
5
6
1
/SCK
/PWM
2
2
/IRQ
/IRQ
/RXD
/TXD
/SO
1
/SI
P9
P9
P9
P9
PP
3
*
1
2
1
1
1
1
2
3
4
0
function in the flash memory version.
Figure 1.1 Block Diagram
A/D converter
Watchdog
Timer B1
Timer A
Port B
ROM
timer
Data bus (lower)
H8/300L
CPU
14-bit PWM
Timer X
Timer V
SCI1
SCI3
RAM
P8
P8
P8
P8
P8
P8
P8
P8
P7
P7
P7
P7
P7
P6
P6
P6
P6
P6
P6
P6
P6
P5
P5
P5
P5
P5
P5
P5
P5
7
6
5
4
3
2
1
0
7
6
5
4
3
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
/FTID
/FTIC
/FTIB
/FTIA
/FTOB
/FTOA
/FTCI
/TMOV
/TMCIV
/TMRIV
/INT
/INT
/INT
/INT
/INT
/INT
/INT
/INT
CMOS large-
current port
I
@V
OL
7
6
5
4
3
2
1
0
/TMIB
/ADTRG
= 10 mA
OL
= 1V
5