AT83C5136-RDTUL datasheet(140/171 Pages) ATMEL

140 / 171 page

140

AT83C5134/35/36

7683B–USB–03/07

Registers

Table 100. PCON Register

PCON (S:87h)

Power Control Register

Reset Value = 10h

SMOD1

SMOD0

POF

GF1

GF0

IDL

Bit Number

Bit

Mnemonic Description

SMOD1

Serial Port Mode bit 1

Set to select double baud rate in mode 1, 2 or 3.

SMOD0

Serial Port Mode bit 0

Set to select FE bit in SCON register.

Clear to select SM0 bit in SCON register

Reserved

The value read from this bit is always 0. Do not set this bit.

POF

Power-Off Flag

Set by hardware when V

CC rises from 0 to its nominal voltage. Can also be set by

software.

Clear to recognize next reset type.

GF1

General-purpose Flag 1

Set by software for general-purpose usage.

Cleared by software for general-purpose usage.

GF0

General-purpose Flag 0

Set by software for general-purpose usage.

Cleared by software for general-purpose usage.

Power-down mode bit

Set this bit to enter in power-down mode.

Cleared by hardware when reset occurs.

IDL

Idle mode bit

Set this bit to enter in Idle mode.

Cleared by hardware when interrupt or reset occurs.

AT83C5136-RDTUL 数据表(PDF) 140 Page - ATMEL Corporation

AT83C5136-RDTUL 数据表(HTML) 140 Page - ATMEL Corporation

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