89C5121-SK1 Atmel, 89C5121-SK1 Datasheet - Page 94
89C5121-SK1
Manufacturer Part Number
89C5121-SK1
Description
KIT SMART CARD FOR AT89C5121
Manufacturer
Atmel
Type
Smart Cardr
Datasheet
1.89C5121-SK1.pdf
(115 pages)
Specifications of 89C5121-SK1
Contents
Board
For Use With/related Products
AT89C5121
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
T89C5121-SK1
T89C5121-SK1
T89C5121-SK1
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A/T8xC5121
Table 68. BDRCON Register
BDRCON
Baud Rate Control Register (9Bh)
Reset Value = XXX0 0000b
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic Description
TBCK
RBCK
BRR
SRC
SPD
Bit
-
-
-
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit
Reserved
The value read from this bit is indeterminate. Do not set this bit
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Baud Rate Run Control bit
Clear to stop the Baud Rate.
Set to start the Baud Rate.
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.
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.
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.
Baud Rate Source select bit in Mode 0 for first UART
Clear to select F
Set to select the internal Baud Rate Generator.
5
-
OSC
BRR
/12 as the Baud Rate Generator.
4
TBCK
3
RBCK
2
SPD
1
4164G–SCR–07/06
SRC
0
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