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器件3D模型￥ 27.605
PIC16LF628A-I/SS 数据手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
8位微控制器
封装:
SSOP-20
描述:
MICROCHIP PIC16LF628A-I/SS 微控制器, 8位, 闪存, PIC16LF6xx, 20 MHz, 3.5 KB, 224 Byte, 20 引脚, SSOP
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4P13P14P58P59Hot
原理图在P12P33P34P35P36P38P39P40P41P42P43P44
标记信息在P163
封装信息在P163P179
功能描述在P7
技术参数、封装参数在P51P52P100P103P111P142P144
应用领域在P101
电气规格在P51P52P100P103
导航目录
PIC16LF628A-I/SS数据手册
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PIC16F627A/628A/648A
DS40044G-page 48 © 2009 Microchip Technology Inc.
6.3 Timer0 Prescaler
An 8-bit counter is available as a prescaler for the
Timer0 module, or as a postscaler for the Watchdog
Timer. A prescaler assignment for the Timer0 module
means that there is no postscaler for the Watchdog
Timer, and vice-versa.
The PSA and PS<2:0> bits (OPTION<3:0>) determine
the prescaler assignment and prescale ratio.
When assigned to the Timer0 module, all instructions
writing to the TMR0 register (e.g., CLRF 1, MOVWF 1,
BSF 1, x....etc.) will clear the prescaler. When
assigned to WDT, a CLRWDT instruction will clear the
prescaler along with the Watchdog Timer. The prescaler
is not readable or writable.
FIGURE 6-1: BLOCK DIAGRAM OF THE TIMER0/WDT
T0CKI
T0SE
pin
F
OSC/4
SYNC
2
Cycles
TMR0 Reg
8-to-1MUX
Watchdog
Timer
PSA
WDT
Time-out
PS<2:0>
8
.
PSA
WDT Enable bit
Data Bus
Set flag bit T0IF
on Overflow
8
PSA
Note: T0SE, T0CS, PSA, PS<2:0> are bits in the Option Register.
T0CS
WDT Postscaler/
TMR0 Prescaler
1
0
1
0
1
0
1
0
TMR1 Clock Source
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