HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 117

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

5.1.2 Block Diagram
Figure 5-1 shows the block configuration of the interrupt controller.
Interrupt
request
signals
from
modules
NMI
IRQ0
IRQ1
FRT1
FRT2
FRT3
8 bits timer
SCI
A/D converter
FRT:
SCI:
SR:
IPR:
DTE:
16 Bits Free Running Timer
Serial Communication Interface
Status Register
Interrupt Priority Register
Data Transfer Enable Register
Figure 5-1 Interrupt Controller Block Diagram
98
Interrupt controller
I 2
I 1
I 0
SR (CPU)
NMI
request
Interrupt
request
DTC
request