P83C180AER/001 데이터 시트보기 (PDF) - Philips Electronics

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P83C180AER/001

Microcontrollers for monitors with DDC interface, auto-sync detection and sync proc.

Philips Electronics 

Philips Semiconductors

Microcontrollers for monitors with DDC

interface, auto-sync detection and sync proc.

Product specification

P83Cx80; P87C380

Table 13 PWM Low-byte Data Latch (PWM10L; SFR address C7H)

7

EW0

6

5

4

3

PWM10L.6 PWM10L.5 PWM10L.4 PWM10L.3

2

PWM10L.2

1

PWM10L.1

0

PWM10L.0

Table 14 Description of PWM10L bits

BIT

7

6 to 0

SYMBOL

EW0

PWM10L.6 to PWM10L.0

DESCRIPTION

Watchdog Timer enable flag. This flag is associated with the flag EW2

(SFR DFCON) and EW1 (SFR PWM10H) to form the enable/disable

control key for the Watchdog Timer; see Table 8 and 12.

7 lower data bits for the 14-bit PWM.

7.3.5 PWM OUTPUT CONTROL REGISTER 1 (PWME1)

Table 15 PWM Output Control Register 1 (SFR address C8H)

7

PWME1.7

6

PWME1.6

5

PWME1.5

4

PWME1.4

3

PWME1.3

2

PWME1.2

1

PWME1.1

0

PWME1.0

Table 16 Description of PWME1 bits

BIT

7 to 0

SYMBOL

PWME1.7

to

PWME1.0

DESCRIPTION

PWM outputs enable; n = 7 to 0. If PWME1.n = 1, the corresponding PWM is enabled

and pins PWMn/P2.n are switched to PWMn outputs. If PWME1.n = 0, the

corresponding PWM is disabled and pins PWMn/P2.n are switched to I/O ports P2.n

function.

1997 Dec 12

15

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