參數(shù)資料
型號(hào): AT83C51RB2XXX-SLSIL
廠商: ATMEL CORP
元件分類(lèi): 微控制器/微處理器
英文描述: Microcontroller
中文描述: 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 37/81頁(yè)
文件大?。?/td> 1082K
代理商: AT83C51RB2XXX-SLSIL
38
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
Table 20.
SADDR Register
SADDR - Slave Address Register (A9h)
Reset Value = 0000 0000b
Not bit addressable
Baud Rate Selection for
UART for Mode 1 and 3
The Baud Rate Generator for transmit and receive clocks can be selected separately via
the T2CON and BDRCON registers.
Figure 17.
Baud Rate selection
Table 21.
Baud Rate Selection Table UART
7
6
5
4
3
2
1
0
TCLK
(T2CON)
RCLK
(T2CON)
TBCK
(BDRCON)
RBCK
(BDRCON)
Clock Source
UART Tx
Clock Source
UART Rx
0
0
0
0
Timer 1
Timer 1
1
0
0
0
Timer 2
Timer 1
0
1
0
0
Timer 1
Timer 2
1
1
0
0
Timer 2
Timer 2
X
0
1
0
INT_BRG
Timer 1
X
1
1
0
INT_BRG
Timer 2
0
X
0
1
Timer 1
INT_BRG
1
X
0
1
Timer 2
INT_BRG
X
X
1
1
INT_BRG
INT_BRG
RCLK
/ 16
RBCK
INT_BRG
0
1
TIMER1
0
1
0
1
TIMER2
INT_BRG
TIMER1
TIMER2
TIMER_BRG_RX
Rx Clock
/ 16
0
1
TIMER_BRG_TX
Tx Clock
TBCK
TCLK
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