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Rainbow Electronics W90N745CDG User Manual

Page 294

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W90N745CD/W90N745CDG

Publication Release Date: September 22, 2006

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289

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Revision

A2

31

30

29

28

27

26

25

24

nDBGACK_EN CEN

IE

MODE[1:0]

CRST CACT Reserved

23

22

21

20

19

18

17

16

Reserved

15

14

13

12

11

10

9

8

Reserved

7

6

5

4

3

2

1

0

PRESCALE[7:0]

BITS

DESCRIPTIONS

[31]

nDBGACK_EN

ICE debug mode acknowledge enable

0 = When DBGACK is high, the TIMER counter will be held
1 = No matter DBGACK is high or not, the TIMER counter will not

be held

[30]

CEN

Counter Enable

0 = Stops/Suspends counting
1 = Starts counting

[29]

IE

Interrupt Enable

0 = Disable TIMER Interrupt.
1 = Enable TIMER Interrupt. If timer interrupt is enabled, the timer
asserts its interrupt signal when the associated counter
decrements to zero.

[28:27]

MODE

Timer Operating Mode

MODE

Timer Operating Mode

00

The timer is operating in the one-shot mode. The
associated interrupt signal is generated once (if IE is
enabled) and CEN is automatically cleared then.

01

The timer is operating in the periodic mode. The
associated interrupt signal is generated periodically
(if IE is enabled).

10

The timer is operating in the toggle mode. The
interrupt signal is generated periodically (if IE is
enabled). And the associated signal (tout) is
changing back and forth with 50% duty cycle.

11 Reserved.