Tick timer 1 interrupt control register, Tick timer 1 interrupt control register -26 – Motorola MVME1X7P User Manual

Page 224

Advertising
background image

3-26

Computer Group Literature Center Web Site

PCCchip2

3

INT

Interrupt Status. When this bit is high a Tick Timer 2
interrupt is being generated at the level programmed in
IL2-IL0 (if nonzero). This bit is edge-sensitive and can be
cleared by writing a logic 1 into the ICLR control bit.

Tick Timer 1 Interrupt Control Register

IL2-IL0

Interrupt Request Level. These three bits select the
interrupt level for Tick Timer 1. Level 0 does not generate
an interrupt.

ICLR

Writing a logic 1 into this bit clears the INT status bit.
This bit is always read as zero.

IEN

Interrupt Enable. When this bit is high, the interrupt is
enabled. The interrupt is disabled when this bit is low.

INT

Interrupt Status. When this bit is high a Tick Timer 1
interrupt is being generated at the level programmed in
IL2-IL0 (if nonzero). This bit is edge-sensitive and can be
cleared by writing a logic 1 into the ICLR control bit.

ADR/SIZ

$FFF4201B (8 bits)

BIT

7

6

5

4

3

2

1

0

NAME

INT

IEN

ICLR

IL2

IL1

IL0

OPER

R

R

R

R/W

C

R/W

R/W

R/W

RESET

0

0

0 PL

0 PL

0 PL

0 PL

0 PL

0 PL

Advertising