7220 datasheet(268/303 Pages) RENESAS

268 / 303 page

7220 Group User’s Manual

APPENDIX

6.7 Control registers

6-49

Fig. 6.7.30 Interrupt control register 1

(See note)

Note : M37220M3-XXXSP/FP

Nothing is assigned. This bit is a write disable

bit. When this bit is read out, the value is “0.”

R—

b7 b6 b5 b4 b3 b2 b1 b0

Interrupt control register 1 (ICON1) [Address 00FE16]

Name

Functions

After reset RW

Interrupt Control Register 1

Timer 1 interrupt

enable bit (TM1E)

0 : Interrupt disabled

1 : Interrupt enabled

Timer 2 interrupt

enable bit (TM2E)

Timer 3 interrupt

enable bit (TM3E)

Timer 4 interrupt

enable bit (TM4E)

CRT interrupt enable

bit (CRTE)

VSYNC interrupt

enable bit (VSCE)

Multi-master I2C-BUS interface

interrupt enable bit (IICE)

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

0 : Interrupt disabled

1 : Interrupt enabled

INT3 interrupt

enable bit (IT3E)

0 : Interrupt disabled

1 : Interrupt enabled

b7 b6 b5 b4 b3 b2 b1 b0

Interrupt request register 2 (IREQ2) [Address 00FD

Name

Functions

After reset RW

Interrupt Request Register 2

INT1 interrupt

request bit (ITIR)

0 : No interrupt request issued

1 : Interrupt request issued

INT2 interrupt

request bit (IT2R)

Serial I/O interrupt

request bit (S1R)

Nothing is assigned. This bit is a write disable bit.

When this bit is read out, the value is “0.”

f(XIN)/4096 interrupt

request bit (MSR)

5, 6 Nothing is assigned. These bits are write disable bits.

When these bits are read out, the values are “0.”

Fix this bit to “0.”

0 : No interrupt request issued

1 : Interrupt request issued

0 : No interrupt request issued

1 : Interrupt request issued

V: “0” can be set by software, but “1” cannot be set.

0 : No interrupt request issued

1 : Interrupt request issued

]

R—

Fig. 6.7.29 Interrupt request register 2

Address 00FD16

Address 00FE16

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