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68HC912DG128PV8 参数 Datasheet PDF下载

68HC912DG128PV8图片预览
型号: 68HC912DG128PV8
PDF下载: 下载PDF文件 查看货源
内容描述: M68HC12微控制器 [M68HC12 Microcontrollers]
分类和应用: 微控制器外围集成电路时钟
文件页数/大小: 452 页 / 3509 K
品牌: FREESCALE [ Freescale ]
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Freescale Semiconductor, Inc.  
Pulse Width Modulator  
Introduction  
CLOCK SOURCE  
(ECLK or Scaled ECLK)  
CENTR = 1  
FROM PORT P  
DATA REGISTER  
RESET  
PWCNTx  
GATE  
(CLOCK EDGE SYNC)  
(DUTY CYCLE)  
N
8-BIT COMPARE =  
PWDTYx  
O
D/  
T
U
Q
Q
MUX  
MUX  
(PERIOD)  
8-BIT COMPARE =  
PWPERx  
TO PIN  
DRIVER  
PPOLx  
PWENx  
SYNC  
PPOL = 1  
PPOL = 0  
(PWPER PWDTY) × 2  
PWDTY  
PWDTY  
PWPER × 2  
Figure 12-2. Block Diagram of PWM Center-Aligned Output Channel  
MC68HC912DG128 — Rev 3.0  
Technical Data  
Pulse Width Modulator  
For More Information On This Product,  
Go to: www.freescale.com  
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