Panasonic MN101C77C, F77G user manual TM7ICR TM7IE TM7IR LV1

Models: F77G MN101C77C

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Chapter 3 Interrupts

„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".

TM7ICR

7

6

5

4

3

2

1

0

 

TM7

TM7

-

-

-

-

TM7IE

TM7IR

 

LV1

LV0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

TM7IR

Interrupt request flag

 

 

0No interrupt request

1Interrupt request generated

TM7IE

Interrupt enable flag

0Disable interrupt

1Enable interrupt

TM7

TM7

Interrupt level flag

LV1

LV0

 

 

 

 

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

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

III- 28 Control Registers

Page 122
Image 122
Panasonic MN101C77C, F77G user manual TM7ICR TM7IE TM7IR LV1