參數(shù)資料
型號: PIC16F819
廠商: Microchip Technology Inc.
英文描述: 18/20-Pin Enhanced FLASH Microcontrollers with nanoWatt Technology(18/20引腳,納瓦技術(shù)增強(qiáng)FLASH微控制器)
中文描述: 18/20-Pin增強(qiáng)型閃存微控制器采用納瓦技術(shù)(18/20引腳,納瓦技術(shù)增強(qiáng)閃存微控制器)
文件頁數(shù): 135/164頁
文件大小: 3045K
代理商: PIC16F819
2002 Microchip Technology Inc.
Preliminary
DS39598C-page 133
PIC16F818/819
FIGURE 15-8:
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
TABLE 15-4:
TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Typ
Max
Units
Conditions
40*
Tt0H
T0CKI High Pulse Width
No Prescaler
With Prescaler
No Prescaler
With Prescaler
No Prescaler
With Prescaler
0.5 T
CY
+ 20
10
0.5 T
CY
+ 20
10
T
CY
+ 40
Greater of:
20 or T
CY
+ 40
N
0.5 T
CY
+ 20
15
25
30
50
0.5 T
CY
+ 20
15
25
30
50
Greater of:
30 or T
CY
+ 40
N
Greater of:
50 or T
CY
+ 40
N
60
100
DC
ns
ns
ns
ns
ns
ns
Must also meet
parameter 42
41*
Tt0L
T0CKI Low Pulse Width
Must also meet
parameter 42
42*
Tt0P
T0CKI Period
N = prescale
value (2, 4, ...,
256)
Must also meet
parameter 47
45*
Tt1H
T1CKI High Time Synchronous, Prescaler = 1
Synchronous,
Prescaler = 2,4,8
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PIC16
F
818/819
PIC16
LF
818/819
PIC16
F
818/819
PIC16
LF
818/819
Asynchronous
46*
Tt1L
T1CKI Low Time Synchronous, Prescaler = 1
Synchronous,
Prescaler = 2,4,8
Must also meet
parameter 47
PIC16
F
818/819
PIC16
LF
818/819
PIC16
F
818/819
PIC16
LF
818/819
PIC16
F
818/819
Asynchronous
47*
Tt1P
T1CKI Input
Period
Synchronous
N = prescale
value (1, 2, 4, 8)
PIC16
LF
818/819
N = prescale
value (1, 2, 4, 8)
Asynchronous
PIC16
F
818/819
PIC16
LF
818/819
ns
ns
kHz
Ft1
Timer1 Oscillator Input Frequency Range
(Oscillator enabled by setting bit T1OSCEN)
TCKEZtmr1 Delay from External Clock Edge to Timer Increment
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.
32.768
48
2 T
OSC
7 T
OSC
*
Note:
Refer to Figure 15-3 for load conditions.
46
47
45
48
41
42
40
RA4/T0CKI
RB6/T1OSO/T1CKI
TMR0 or TMR1
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PIC16F819-E/ML 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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(shí)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(fēng)格:SMD/SMT
PIC16F819-E/P 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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(shí)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(fēng)格:SMD/SMT
PIC16F819-E/SO 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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(shí)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(fēng)格:SMD/SMT
PIC16F819-E/SS 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 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(shí)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(fēng)格:SMD/SMT
PIC16F819-E/SSVAO 制造商:Microchip Technology Inc 功能描述: