參數(shù)資料
型號: PIC16F627
廠商: Microchip Technology Inc.
英文描述: FLASH-Based 8-Bit CMOS Microcontroller(基于FLASH的8位CMOS微控制器)
中文描述: 基于閃存的8位CMOS微控制器(基于閃存的8位的CMOS微控制器)
文件頁數(shù): 46/170頁
文件大?。?/td> 4191K
代理商: PIC16F627
PIC16F62X
DS40300C-page 44
Preliminary
2003 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 PS2:PS0 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 pres-
caler. 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
Pin
T0SE
F
OSC
/4
SYNC
2
Cycles
TMR0 reg
8-to-1MUX
Watchdog
Timer
PSA
0
1
0
1
WDT
Timeout
PS0 - PS2
8
PSA
WDT Enable bit
0
1
0
1
Data Bus
Set Flag Bit T0IF
on Overflow
8
PSA
Note
1:
T0SE, T0CS, PSA,.
T0CS
WDT Postscaler/
TMR0 Prescaler
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相關代理商/技術參數(shù)
參數(shù)描述
PIC16F627-04/P 功能描述:8位微控制器 -MCU 1.75KB 224 RAM 16I/O 4MHz PDIP18 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F627-04/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 16F627 DIP18
PIC16F627-04/SO 功能描述:8位微控制器 -MCU 1.75KB 224 RAM 16I/O 4MHz SOIC18 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F627-04/SO 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU SMD 16F627 SOIC18
PIC16F627-04/SO 制造商:Microchip Technology Inc 功能描述:Microcontroller IC Number of I/Os:16