4519 datasheet(49/272 Pages) RENESAS

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FUNCTION BLOCK OPERATIONS

4519 Group

HARDWARE

1-36

Rev.1.00

Aug 06, 2004

REJ09B0175-0100Z

Falling edge

Rising edge

Falling edge

Rising edge

CNTR1 output auto-control circuit not selected

CNTR1 output auto-control circuit selected

D6 (I/O) / CNTR0 (input)

CNTR0 (I/O) /D6 (input)

CNTR1 pin input count edge selection bit

CNTR0 pin input count edge selection bit

CNTR1 output auto-control circuit

selection bit

D6/CNTR0 pin function selection bit

Timer control register W6

at RAM back-up : state retained

at reset : 00002

W63

W62

W61

W60

D7 (I/O) / CNTR1 (input)

CNTR1 (I/O) / D7 (input)

PWM signal “H” interval expansion function invalid

PWM signal “H” interval expansion function valid

Stop (state retained)

Operating

XIN input

Prescaler output (ORCLK) divided by 2

D7/CNTR1 pin function selection bit

PWM signal

“H” interval expansion function control bit

Timer 4 control bit

Timer 4 count source selection bit

W43

W42

W41

W40

W51

Not used

Period measurement circuit control bit

Signal for period measurement selection

bits

W50

Timer control register W5

at RAM back-up : state retained

at reset : 00002

W53

W52

W51

W50

This bit has no function, but read/write is enabled.

Stop

Operating

Count source

On-chip oscillator (f(RING/16))

CNTR0 pin input

INT0 pin input

Not available

R/W

TAW4/TW4A

Timer control register W4

at RAM back-up : 00002

at reset : 00002

R/W

TAW5/TW5A

R/W

TAW6/TW6A

Note: “R” represents read enabled, and “W” represents write enabled.

4519 Datasheet(PDF) 49 Page - Renesas Technology Corp

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