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): 9/164頁
文件大?。?/td> 3045K
代理商: PIC16F819
2002 Microchip Technology Inc.
Preliminary
DS39598C-page 7
PIC16F818/819
TABLE 1-2:
PIC16F818/819 PINOUT DESCRIPTIONS
Pin Name
PDIP/
SOIC
Pin#
SSOP
Pin#
QFN
Pin#
I/O/P
Type
Buffer
Type
Description
PORTA is a bi-directional I/O port.
RA0/AN0
RA0
AN0
17
19
23
I/O
I
TTL
Analog
Bi-directional I/O pin.
Analog input channel 0.
RA1/AN1
RA1
AN1
18
20
24
I/O
I
TTL
Analog
Bi-directional I/O pin.
Analog input channel 1.
RA2/AN2/V
REF
-
RA2
AN2
V
REF
-
1
1
26
I/O
I
I
TTL
Analog
Analog
Bi-directional I/O pin.
Analog input channel 2.
A/D reference voltage (Low) input.
RA3/AN3/V
REF
+
RA3
AN3
V
REF
+
2
2
27
I/O
I
I
TTL
Analog
Analog
Bi-directional I/O pin.
Analog input channel 3.
A/D reference voltage (High) input.
RA4/AN4/T0CKI
RA4
AN4
T0CKI
3
3
28
I/O
I
I
ST
Analog
ST
Bi-directional I/O pin.
Analog input channel 4.
Clock input to the TMR0 timer/counter.
RA5/MCLR/V
PP
RA5
MCLR
V
PP
4
4
1
I
I
P
ST
ST
Input pin.
Master Clear (Reset). Input/programming voltage
input. This pin is an active low RESET to the device.
Programming threshold voltage.
RA6/OSC2/CLKO
RA6
OSC2
CLKO
15
17
20
I/O
O
O
ST
Bi-directional I/O pin.
Oscillator crystal output. Connects to crystal or
resonator in Crystal Oscillator mode.
In RC mode, this pin outputs CLKO signal, which has
1/4 the frequency of OSC1, and denotes the
instruction cycle rate.
RA7/OSC1/CLKI
RA7
OSC1
CLKI
16
18
21
I/O
I
I
ST
ST/CMOS
(3)
Bi-directional I/O pin.
Oscillator crystal input.
External clock source input.
Legend: I
= Input
– = Not used
This buffer is a Schmitt Trigger input when configured as the external interrupt.
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
O
TTL = TTL Input
= Output
I/O = Input/Output
ST = Schmitt Trigger Input
P = Power
Note 1:
2:
3:
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參數(shù)描述
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: