4
1.2
Block Diagram
Figure 1.1 shows an internal block diagram of the H8/3150 series.
H8/300 CPU
System control logic
ROM
RAM
EEPROM
RNG
I/O port
WDT
I/O-1/
IRQ
I/O-2/
IRQ
Data bus
Address bus
Clock
divider
V
CC
V
SS
CLK
RES
Security logic
Figure 1.1 Block Diagram