- 70 - The unit is 1us in PWM1/PWM2. PWM 3/PWM4 is {PWM Period Level Register} > {PWM High Level Register} >0, then P" />
參數(shù)資料
型號: W83L951DG
廠商: Nuvoton Technology Corporation of America
文件頁數(shù): 85/112頁
文件大?。?/td> 0K
描述: IC EMBEDDED CNTRLR 128-LQFP
標準包裝: 90
系列: W83
核心處理器: 8051
芯體尺寸: 8-位
速度: 24MHz
連通性: 主機接口,PS/2,SMBus,UART/USART
外圍設備: PWM,WDT
輸入/輸出數(shù): 104
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉換器: A/D 8x10b; D/A 2x8b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 128-LQFP
包裝: 托盤
W83L951DG/W83L951FG
- 70 -
The unit is 1us in PWM1/PWM2.
PWM 3/PWM4 is {PWM Period Level Register} > {PWM High Level Register} >0, then
Period Width: {PWM Period Level Register} + 4units.
Low Width : {PWM Period Level Register}
- {PWM High Level Register} + 1unit.
High Width : {PWM High Level Register}
+ 3units.
The unit is 1/F in PWM 3/PWM4. And F is defined in PWM Control Register.
PWM 1/PWM2/PWM3/PWM4 is default low.
6.9.1
Register Description
6.9.1.1
PWM Control Register (PWMCON) (Default Value: 0000_0000)
Bit 7: Reserved
Bit 6~4: PWM 4 Frequency Select
Input clock=24MHz :
111: Reserved, 110: 375 KHz, 101: 750 KHz, 100: 1.5 MHz.
011: 3 MHz, 010: 6 MHz, 001: 12 MHz, 000: 24 MHz.
Input clock=12MHz :
111: Reserved, 110: Reserved, 101: 375 KHz, 100: 750KHz.
011: 1.5 MHz, 010: 3 MHz, 001: 6 MHz, 000: 12 MHz.
Bit 3: Reserved
Bit 2~0: PWM 3 Frequency Select
Input clock=24MHz :
111: Reserved, 110: 375 KHz, 101: 750 KHz, 100: 1.5 MHz.
011: 3 MHz, 010: 6 MHz, 001: 12 MHz, 000: 24 MHz.
Input clock=12MHz :
111: Reserved, 110: Reserved, 101: 375 KHz, 100: 750KHz.
011: 1.5 MHz, 010: 3 MHz, 001: 6 MHz, 000: 12 MHz.
6.9.1.2
PWM 1 Period Register (PWM1P) (Default Value: 0000_0000)
Use the 8-bit register to control width of a full period output.
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