Rainbow-electronics AT89C5122 Bedienungsanleitung PDF herunterladen (Seite 136)

136

AT8xC5122/23

4202E–SCR–06/06

Reset Value = 0000 0000b

Reset Value = XXXX XXXXb

Reset Value = 0000 0000b

Table 82. Baud Rate Control Register - BDRCON - (9Bh)

Reset Value = XXX0 0000b (Not bit addressable)

Table 78. Slave Address Mask Register for UART - SADEN (B9h)

76543210

Table 79. Slave Address Register for UART - SADDR (A9h)

76543210

Table 80. Serial Buffer Register for UART - SBUF (99h)

76543210

Table 81. Baud Rate Reload Register for the internal baud rate generator,

UART - BRL (9Ah)

76543210

7 6 5 4 3 2 1 0

- - - BRR TBCK RBCK SPD M0SRC

Bit

Number

Bit

Mnemonic Description

7 - 5 -

Reserved

The value read from this bit is indeterminate. Do not change these bits.

4BRR

Baud Rate Run Control bit

Cleared to stop the internal Baud Rate Generator.

Set to start the internal Baud Rate Generator.

3TBCK

Transmission Baud rate Generator Selection bit for UART

Cleared to select Timer 1 for the Baud Rate Generator.

Set to select internal Baud Rate Generator.

2RBCK

Reception Baud Rate Generator Selection bit for UART

Cleared to select Timer 1 for the Baud Rate Generator.

Set to select internal Baud Rate Generator.

1 SPD

Baud Rate Speed Control bit for UART

Cleared to select the SLOW Baud Rate Generator.

Set to select the FAST Baud Rate Generator.

0M0SRC

Baud Rate Source select bit in Mode 0 for UART

Cleared to select F

CK_SI

/6 as the Baud Rate Generator.

Set to select the internal Baud Rate Generator for UART in mode 0.

1 2 ... 131 132 133 134 135 136 137 138 139 140 141 ... 212 213

Kommentare zu diesen Handbüchern

Keine Kommentare

Rainbow-electronics AT89C5122 Bedienungsanleitung Seite 136

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Software Rainbow-electronics AT89C5122