Owner's manual

94
A/T8xC5121
4164G–SCR–07/06
Table 68. BDRCON Register
BDRCON
Baud Rate Control Register (9Bh)
Reset Value = XXX0 0000b
76543210
- - - BRR TBCK RBCK SPD SRC
Bit
Number
Bit
Mnemonic Description
7-
Reserved
The value read from this bit is indeterminate. Do not set this bit
6-
Reserved
The value read from this bit is indeterminate. Do not set this bit
5-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4BRR
Baud Rate Run Control bit
Clear to stop the Baud Rate.
Set to start the Baud Rate.
3TBCK
Transmission Baud rate Generator Selection bit for first UART
Clear to select Timer 1 for the Baud Rate Generator.
Set to select internal Baud Rate Generator.
2RBCK
Reception Baud Rate Generator Selection bit for first UART
Clear to select Timer 1 for the Baud Rate Generator.
Set to select internal Baud Rate Generator.
1 SPD
Baud Rate Speed Control bit for first UART
Clear to select the SLOW Baud Rate Generator when SRC = 1.
Set to select the FAST Baud Rate Generator when SRC = 1.
0SRC
Baud Rate Source select bit in Mode 0 for first UART
Clear to select F
OSC
/12 as the Baud Rate Generator.
Set to select the internal Baud Rate Generator.