AT89C5130A-RDTIM datasheet(60/184 Pages) ATMEL

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AT89C5130A/31A-M

4337C–USB–02/05

the CAPP bit enables the positive edge. If both bits are set both edges will be

enabled and a capture will occur for either transition.

•

The last bit in the register ECOM (CCAPMn.6) when set enables the comparator

function.

Table 53 shows the CCAPMn settings for the various PCA functions.

Table 52. CCAPMn Registers (n = 0-4)

CCAPM0 - PCA Module 0 Compare/Capture Control Register (0DAh)

CCAPM1 - PCA Module 1 Compare/Capture Control Register (0DBh)

CCAPM2 - PCA Module 2 Compare/Capture Control Register (0DCh)

CCAPM3 - PCA Module 3 Compare/Capture Control Register (0DDh)

CCAPM4 - PCA Module 4 Compare/Capture Control Register (0DEh)

Reset Value = X000 0000b

Not bit addressable

ECOMn

CAPPn

CAPNn

MATn

TOGn

PWMn

ECCFn

Bit

Number

Bit

Mnemonic

Description

Reserved

The value read from this bit is indeterminate. Do not set this bit.

6ECOMn

Enable Comparator

Cleared to disable the comparator function.

Set to enable the comparator function.

CAPPn

Capture Positive

Cleared to disable positive edge capture.

Set to enable positive edge capture.

4CAPNn

Capture Negative

Cleared to disable negative edge capture.

Set to enable negative edge capture.

3MATn

Match

When MATn = 1, a match of the PCA counter with this module's

compare/capture register causes the

CCFn bit in CCON to be set, flagging an interrupt.

2TOGn

Toggle

When TOGn = 1, a match of the PCA counter with this module's

compare/capture register causes the CEXn pin to toggle.

1PWMn

Pulse Width Modulation Mode

Cleared to disable the CEXn pin to be used as a pulse width modulated output.

Set to enable the CEXn pin to be used as a pulse width modulated output.

ECCFn

Enable CCF Interrupt

Cleared to disable compare/capture flag CCFn in the CCON register to

generate an interrupt.

Set to enable compare/capture flag CCFn in the CCON register to generate an

interrupt.

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