參數(shù)資料
型號: PIC16F785
廠商: Microchip Technology Inc.
英文描述: 20-Pin Flash-Based 8-Bit CMOS Microcontroller with Two-Phase Asychronous Feedback PWM, Dual High-Speed Comparators and Dual Operational Amplifiers
中文描述: 20引腳基于閃存的8兩相異步反饋的PWM,雙高位CMOS微控制器的高速比較器和雙運算放大器
文件頁數(shù): 51/178頁
文件大小: 1620K
代理商: PIC16F785
2004 Microchip Technology Inc.
Preliminary
DS41249A-page 49
PIC16F785
6.0
TIMER1 MODULE WITH GATE
CONTROL
The Timer1 module is the 16 bit counter of the
PIC16F785. Figure 6-1 shows the basic block diagram
of the Timer1 module. Timer1 has the following
features:
16-bit timer/counter (TMR1H:TMR1L)
Readable and writable
Internal or external clock selection
Synchronous or asynchronous operation
Interrupt on overflow from FFFFh to 0000h
Wake-up upon overflow (Asynchronous mode)
Optional external enable input
- Selectable gate source; T1G or C2 output
(T1GSS)
- Selectable gate polarity (T1GINV)
Optional LP oscillator
The Timer1 Control register (T1CON), shown in
Register 6-1, is used to enable/disable Timer1 and
select the various features of the Timer1 module.
FIGURE 6-1:
TIMER1 ON THE PIC16F785 BLOCK DIAGRAM
Note:
Additional information on timer modules is
available in the PICmicro
Mid-Range
Reference Manual, (DS33023).
TMR1H
TMR1L
OSCILLATOR
T1SYNC
TMR1CS
T1CKPS<1:0>
Sleep input
F
OSC
/4
Internal
Clock
Prescaler
1, 2, 4, 8
Synchronize
det
1
0
0
1
Synchronized
clock input
2
Set flag bit
TMR1IF on
Overflow
TMR1
(1)
TMR1ON
TMR1GE
TMR1ON
TMR1GE
INTOSC
Without CLKOUT
T1OSCEN
*
1
0
SYNCC2OUT
(2)
T1GSS
T1GINV
To C2 Comparator Module
TMR1 Clock
*
ST Buffer is low power type when using LP OSC, or high-speed type when using T1CKI.
Note 1:
Timer 1 increments on the rising edge.
2:
SYNCC2OUT is the synchronized output from comparator 2 (see Figure 9-2 on
page 64).
RA5/T1CKI/OSC1/CLKIN
RA4/AN3/T1G/OSC2/CLKOUT
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相關代理商/技術參數(shù)
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PIC16F785-E/ML 功能描述:8位微控制器 -MCU 3.5 KB 128 RAM 18I/O 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
PIC16F785-E/P 功能描述:8位微控制器 -MCU 14KB 368 RAM 33 I/O 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
PIC16F785-E/SO 功能描述:8位微控制器 -MCU 3.5KB FL 128R 18 I/O 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
PIC16F785-E/SS 功能描述:8位微控制器 -MCU 3.5KB FL 128R 18 I/O 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
PIC16F785-I/ML 功能描述:8位微控制器 -MCU 3.5 KB 128 RAM 18I/O 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