Internal Block Diagram - Hitachi H8/3664 Hardware Manual

1.2

Internal Block Diagram

Subclock
generator
P10/TMOW
P11
P12
P14/IRQ0
P15/IRQ1
P16/IRQ2
P17/IRQ3/TRGV
P20/SCK3
P21/RXD
P22/TXD
P57/SCL
P56/SDA
P55/WKP5/ADTRG
P54/WKP4
P53/WKP3
P52/WKP2
P51/WKP1
P50/WKP0
4
System
CPU
clock
H8/300H
generator
Data bus (lower)
ROM
Timer W
Timer A
Timer V
A/D converter
Port B
Figure 1.1 Block Diagram
RAM
2
I C bus
interface
SCI3
Watchdog
timer
P76/TMOV
P75/TMCIV
P74/TMRIV
P87
P86
P85
P84/FTIOD
P83/FTIOC
P82/FTIOB
P81/FTIOA
P80/FTCI