AT89C5132-ROTIL datasheet(118/182 Pages) ATMEL

118 / 182 page

118

4173E–USB–09/07

AT89C5132

Table 93. SADDR Register

SADDR (S:A9h) – Slave Individual Address Register

Reset Value = 0000 0000b

Table 94. SADEN Register

SADEN (S:B9h) – Slave Individual Address Mask Byte Register

Reset Value = 0000 0000b

Table 95. BDRCON Register

BDRCON (S:92h) – Baud Rate Generator Control Register

SAD7

SAD6

SAD5

SAD4

SAD3

SAD2

SAD1

SAD0

Bit Number

Bit

Mnemonic

Description

7 - 0

SAD7:0

Slave Individual Address.

SAE7

SAE6

SAE5

SAE4

SAE3

SAE2

SAE1

SAE0

Bit Number

Bit

Mnemonic

Description

7 - 0

SAE7:0

Slave Address Mask Byte.

BRR

TBCK

RBCK

SPD

M0SRC

Bit Number

Bit

Mnemonic

Description

7-5

Reserved

The value read from these bits is indeterminate. Do not set these bits.

BRR

Baud Rate Run Bit

Set to enable the baud rate generator.

Clear to disable the baud rate generator.

TBCK

Transmission Baud Rate Selection Bit

Set to select the baud rate generator as transmission baud rate generator.

Clear to select the Timer 1 as transmission baud rate generator.

RBCK

Reception Baud Rate Selection Bit

Set to select the baud rate generator as reception baud rate generator.

Clear to select the Timer 1 as reception baud rate generator.

SPD

Baud Rate Speed Bit

Set to select high speed baud rate generation.

Clear to select low speed baud rate generation.

M0SRC

Mode 0 Baud Rate Source Bit

Set to select the variable baud rate generator in Mode 0.

Clear to select fixed baud rate in Mode 0.

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