HD6432142 datasheet(167/1177 Pages) RENESAS

Il numero della parte	HD6432142

Spiegazioni elettronici	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

PDF	1177 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

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Section 5 Interrupt Controller

Rev. 4.00 Sep 27, 2006 page 123 of 1130

REJ09B0327-0400

Bits 7 to 0—Keyboard Matrix Interrupt Mask (KMIMR15 to KMIMR8): These bits control

key-sense input interrupt requests (KIN15 to KIN8).

Bits 7 to 0

KMIMR15

to KMIMR8 Description

Key-sense input interrupt requests enabled

Key-sense input interrupt requests disabled (Initial value)

Figure 5.2 shows the relationship between interrupts IRQ7 and IRQ6, interrupts KIN15 to KIN0,

and registers KMIMR and KMIMRA.

IRQ6 internal signal

IRQ6E

Edge/level

selection

enable/disable

circuit

Edge/level

selection

enable/disable

circuit

IRQ6SC

IRQ6

interrupt

KMIMR0 (initial value 1)

P60/

KIN0

KMIMR5 (initial value 1)

P65/

KIN5

KMIMR6 (initial value 0)

P66/

KIN6/IRQ6

KMIMR7 (initial value 1)

P67/

KIN7/IRQ7

IRQ7 internal signal

IRQ7E

IRQ7SC

IRQ7

interrupt

KMIMR8 (initial value 1)

PA0/

KIN8

KMIMR9 (initial value 1)

PA1/

KIN9

KMIMR15 (initial value 1)

PA7/

KIN15

Figure 5.2 Relationship between Interrupts IRQ7 and IRQ6, Interrupts KIN15 to KIN0,

and Registers KMIMR and KMIMRA

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