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PIC12F509-E/MS 数据手册 - Microchip(微芯)
制造商:
Microchip(微芯)
分类:
微控制器
封装:
MSOP-8
描述:
PIC12 系列 41 B RAM 1.5 kB 闪存 8位 闪存 微控制器 - MSOP-8
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4P13P15Hot
原理图在P12P14P35P39P50P53
标记信息在P91P92
封装信息在P91P101P102P109
功能描述在P7
技术参数、封装参数在P42P43P46P52P55
应用领域在P7
电气规格在P46P49
导航目录
PIC12F509-E/MS数据手册
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若手册格式错乱,请下载阅览PDF原文件

© 2009 Microchip Technology Inc. DS41236E-page 53
PIC12F508/509/16F505
FIGURE 7-11: WATCHDOG TIMER BLOCK DIAGRAM
TABLE 7-7: SUMMARY OF REGISTERS ASSOCIATED WITH THE WATCHDOG TIMER
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Value on
Power-On
Reset
Value on
All Other
Resets
N/A OPTION
(1)
GPWU GPPU T0CS T0SE PSA PS2 PS1 PS0 1111 1111 1111 1111
N/A OPTION
(2)
RBWU RBPU T0CS T0SE PSA PS2 PS1 PS0 1111 1111 1111 1111
Legend: Shaded boxes = Not used by Watchdog Timer. – = unimplemented, read as ‘0’, u = unchanged.
Note 1: PIC12F508/509 only.
2: PIC16F505 only.
(Figure 6-5)
Postscaler
Note 1: T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
WDT Time-out
Watchdog
Time
From Timer0 Clock Source
WDT Enable
Configuration
Bit
PSA
Postscaler
8-to-1 MUX
PS<2:0>
(Figure 6-4)
To Timer0
0
1
M
U
X
1
0
PSA
MUX
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