HD6432621 Hitachi, HD6432621 Datasheet - Page 141

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

5.1.3
Table 5-1 summarizes the pins of the interrupt controller.
Table 5-1
Name
Nonmaskable interrupt
External interrupt
requests 5 to 0
5.1.4
Table 5-2 summarizes the registers of the interrupt controller.
Table 5-2
Name
System control register
IRQ sense control register H
IRQ sense control register L
IRQ enable register
IRQ status register
Interrupt priority register A
Interrupt priority register B
Interrupt priority register C
Interrupt priority register D
Interrupt priority register E
Interrupt priority register F
Interrupt priority register G
Interrupt priority register H
Interrupt priority register I
Interrupt priority register J
Interrupt priority register K
Interrupt priority register M
Notes: *1 Lower 16 bits of the address.
*2 Only 0 can be written, for flag clearing.
Pin Configuration
Register Configuration
Interrupt Controller Pins
Interrupt Controller Registers
Symbol
NMI
IRQ5 to IRQ0 Input
Abbreviation
SYSCR
ISCRH
ISCRL
IER
ISR
IPRA
IPRB
IPRC
IPRD
IPRE
IPRF
IPRG
IPRH
IPRI
IPRJ
IPRK
IPRM
I/O
Input
Function
Nonmaskable external interrupt; rising or
falling edge can be selected
Maskable external interrupts; rising, falling, or
both edges, or level sensing, can be selected
R/W
R/W
R/W
R/W
R/W
R/(W)*
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
2
Initial Value
H'01
H'00
H'00
H'00
H'00
H'77
H'77
H'77
H'77
H'77
H'77
H'77
H'77
H'77
H'77
H'77
H'77
Address*
H'FDE5
H'FE12
H'FE13
H'FE14
H'FE15
H'FEC0
H'FEC1
H'FEC2
H'FEC3
H'FEC4
H'FEC5
H'FEC6
H'FEC7
H'FEC8
H'FEC9
H'FECA
H'FECC
1
97