HD6432646 Hitachi, HD6432646 Datasheet - Page 137
HD6432646
Manufacturer Part Number
HD6432646
Description
(HD64F264x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432646.pdf
(1155 pages)
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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 J
Interrupt priority register K
Interrupt priority register M
Notes: *1 Lower 16 bits of the address.
*2 Can only be written with 0 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
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
*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
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'FEC9
H'FECA
H'FECC
*1
103
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