Panasonic MN101C77C User Manual

Page 122

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Chapter 3 Interrupts

III - 28

Control Registers

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Timer 7 Interrupt Control Register (TM7ICR)

The timer 7 interrupt control register (TM7ICR) controls interrupt level of timer 7 interrupt, interrupt

enable flag and interrupt request. Interrupt control register should be operated when the maskable inter-

rupt enable flag (MIE) of PSW is "0".

Figure 3-2-16 Timer 7 Interrupt Control Register (TM7ICR : x'03FF1', R/W)

TM7

LV1

Interrupt level flag

TM7

LV0

0

1

2

4

5

6

7

3

(At reset : 0 0 - - - - 0 0)

0

1

No interrupt request

Interrupt request flag

Interrupt request generated

TM7IE

TM7IR

0

1

Disable interrupt

Interrupt enable flag

Enable interrupt

TM7IE

TM7IR

-

-

-

-

The CPU has interrupt levels from 0 to 3.
These flags set the interrupt level for
interrupt requests.

TM7

LV0

TM7

LV1

TM7ICR

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