参数资料
型号: AT89C51RB2-SLSUM
厂商: Atmel
文件页数: 78/127页
文件大小: 0K
描述: IC 8051 MCU FLASH 16K 44PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 972
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 60MHz
连通性: SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
AT89STK-11-ND - KIT STARTER FOR AT89C51RX2
54
AT89C51RB2/RC2
4180E–8051–10/06
Table 42. BDRCON Register
BDRCON - Baud Rate Control Register (9Bh)
Reset Value = XXX0 0000b
Not bit addressablef
76
54
32
1
0
-
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
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 or Timer 2 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 or Timer 2 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.
0SRC
Baud Rate Source select bit in Mode 0 for UART
Cleared to select FOSC/12 as the Baud Rate Generator (FCLK PERIPH/6 in X2
mode).
Set to select the internal Baud Rate Generator for UARTs in mode 0.
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