参数资料
型号: W83L951DG
厂商: Nuvoton Technology Corporation of America
文件页数: 62/112页
文件大小: 0K
描述: IC EMBEDDED CNTRLR 128-LQFP
标准包装: 90
系列: W83
核心处理器: 8051
芯体尺寸: 8-位
速度: 24MHz
连通性: 主机接口,PS/2,SMBus,UART/USART
外围设备: PWM,WDT
输入/输出数: 104
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x10b; D/A 2x8b
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 128-LQFP
包装: 托盘
W83L951DG/W83L951FG
Publication Release Date: August 2006
- 49 -
Revision 1.0
6.4.1
Register Description
6.4.1.1
System Control Register (SM1/2SCR) (Default Value: 0001_10?0)
Bit 7~6: Reserved (Must Assign Low)
Bit 5~3: Baud Rate Select
Select SMBus baud rate.
Input Clock is 24MHz :
When System Clock is 24MHz:
000: 12.5 KHz, 001: 25 KHz, 010: 50 KHz, 011: 100 KHz
100: 400 KHz, 101: 800 KHz, 110: 1.2 MHz, 111: 2.4 MHz
When System Clock is 12MHz:
000: 12.5 KHz, 001: 25 KHz, 010: 50 KHz, 011: 100 KHz
100: 400 KHz, 101: 800 KHz, 110: 1.2 MHz, 111: N/A
When System Clock is 6MHz:
000: 12.5 KHz, 001: 25 KHz, 010: 50 KHz, 011: 100 KHz
100: 400 KHz, 101: 800 KHz, 110: N/A, 111: N/A
Input Clock is 12MHz
When System Clock is 12MHz:
000: 6.25 KHz, 001: 12.5 KHz, 010: 25 KHz, 011: 50 KHz
100: 200 KHz, 101: 400 KHz, 110: 600 KHz, 111: 1.2 MHz
When System Clock is 6MHz:
000: 6.25 KHz, 001: 12.5 KHz, 010: 25 KHz, 011: 50 KHz
100: 200 KHz, 101: 400 KHz, 110: 600 KHz, 111: N/A
When System Clock is 3MHz:
000: 6.25 KHz, 001: 12.5 KHz, 010: 25 KHz, 011: 50 KHz
100: 200 KHz, 101: 400 KHz, 110: N/A, 111: N/A
Bit 2: Rx Byte Interrupt Mode
Select the mode that SMBus receive data bytes to generate Master/Slave Data Ready interrupt.
0: Only First Byte and FIFO Full Byte:
Master/Slave Data Ready Interrupt only occurs in receiving first byte after Start phase or
Repeat_Start phase and any byte that make FIFO enter Full state.
1: Every Byte:
Master/Slave Data Ready Interrupt occurs in every time to finish receiving one byte.
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