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): 151/178頁
文件大?。?/td> 1620K
代理商: PIC16F785
2004 Microchip Technology Inc.
Preliminary
DS41249A-page 149
PIC16F785
TABLE 18-1:
Param
No.
EXTERNAL CLOCK TIMING REQUIREMENTS
Sym
Characteristic
Min
Typ
Max
Units
Conditions
F
OSC
External CLKIN Frequency
(1)
32.768
kHz
LP mode (complementary input
only)
XT mode
HS mode
EC mode
LP Osc mode
INTOSC mode
RC Osc mode
XT Osc mode
HS Osc mode
LP mode (complementary input
only)
HS Osc mode
DC
DC
DC
DC
0.1
1
4
MHz
MHz
MHz
kHz
MHz
MHz
MHz
MHz
μs
20
20
4
4
20
Oscillator Frequency
(1)
32.768
4
0.3052
1
T
OSC
External CLKIN Period
(1)
50
ns
50
ns
EC Osc mode
250
ns
XT Osc mode
Oscillator Period
(1)
250
250
50
0.3052
250
μs
ns
ns
ns
ns
LP Osc mode
INTOSC mode
RC Osc mode
XT Osc mode
HS Osc mode
10,000
1,000
2
3
T
CY
TosL,
TosH
Instruction Cycle Time
(1)
External CLKIN (OSC1) High
External CLKIN Low
200
2*
20*
100 *
T
CY
DC
50*
25*
15*
ns
μs
ns
ns
ns
ns
ns
T
CY
= 4/F
OSC
LP oscillator, T
OSC
L/H duty cycle
HS oscillator, T
OSC
L/H duty cycle
XT oscillator, T
OSC
L/H duty cycle
LP oscillator
XT oscillator
HS oscillator
4
TosR,
TosF
External CLKIN Rise
External CLKIN Fall
*
Data in ‘Typ’ column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1:
Instruction cycle period (T
CY
) equals four times the input oscillator time base period. All specified values
are based on characterization data for that particular oscillator type under standard operating conditions
with the device executing code. Exceeding these specified limits may result in an unstable oscillator
operation and/or higher than expected current consumption. All devices are tested to operate at ‘min’
values with an external clock applied to OSC1 pin. When an external clock input is used, the ‘max’ cycle
time limit is ‘DC’ (no clock) for all devices.
These parameters are characterized but not tested.
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相關代理商/技術參數(shù)
參數(shù)描述
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