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AT89C5122D-RDRUM 数据表(PDF) 134 Page - ATMEL Corporation

部件名 AT89C5122D-RDRUM
功能描述  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C5122D-RDRUM 数据表(HTML) 134 Page - ATMEL Corporation

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AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
Reset Value = 0000 0000b
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)
7654
3210
Table 79.
Slave Address Register for UART - SADDR (A9h)
7654
3210
Table 80.
Serial Buffer Register for UART - SBUF (99h)
7654
3210
Table 81.
Baud Rate Reload Register for the internal baud rate generator,
UART - BRL (9Ah)
7654
3210
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.
1SPD
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 FCK_SI /6 as the Baud Rate Generator.
Set to select the internal Baud Rate Generator for UART in mode 0.



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