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PIC16C57C-04I/SO 参数 Datasheet PDF下载

PIC16C57C-04I/SO图片预览
型号: PIC16C57C-04I/SO
PDF下载: 下载PDF文件 查看货源
内容描述: 基于ROM的8位CMOS微控制器系列 [ROM-Based 8-Bit CMOS Microcontroller Series]
分类和应用: 微控制器和处理器外围集成电路光电二极管PC可编程只读存储器时钟
文件页数/大小: 84 页 / 641 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC16CR54C  
By executing the OPTION instruction, the contents of  
the W register will be transferred to the OPTION  
register. A RESET sets the OPTION<5:0> bits.  
4.4  
OPTION Register  
The OPTION register is  
register which contains various control bits to  
configure the Timer0/WDT prescaler and Timer0.  
a
6-bit wide, write-only  
FIGURE 4-4: OPTION REGISTER  
U-0  
U-0  
6
W-1  
T0CS  
5
W-1  
T0SE  
4
W-1  
PSA  
3
W-1  
PS2  
2
W-1  
PS1  
1
W-1  
PS0  
W
U
= Writable bit  
= Unimplemented bit  
bit7  
bit0  
- n = Value at POR reset  
bit 7-6: Unimplemented.  
bit 5:  
bit 4:  
bit 3:  
T0CS: Timer0 clock source select bit  
1 = Transition on T0CKI pin  
0 = Internal instruction cycle clock (CLKOUT)  
T0SE: Timer0 source edge select bit  
1 = Increment on high-to-low transition on T0CKI pin  
0 = Increment on low-to-high transition on T0CKI pin  
PSA: Prescaler assignment bit  
1 = Prescaler assigned to the WDT (not implemented on PIC16C52)  
0 = Prescaler assigned to Timer0  
bit 2-0: PS2:PS0: Prescaler rate select bits  
Bit Value  
Timer0 Rate WDT Rate (not implemented on PIC16C52)  
000  
001  
010  
011  
100  
101  
110  
111  
1 : 2  
1 : 4  
1 : 8  
1 : 16  
1 : 32  
1 : 64  
1 : 128  
1 : 256  
1 : 1  
1 : 2  
1 : 4  
1 : 8  
1 : 16  
1 : 32  
1 : 64  
1 : 128  
DS40191A-page 16  
Preliminary  
1998 Microchip Technology Inc.  
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