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PIC16F73-I/SPG 参数 Datasheet PDF下载

PIC16F73-I/SPG图片预览
型号: PIC16F73-I/SPG
PDF下载: 下载PDF文件 查看货源
内容描述: [28 Pin, 7KB Std Flash, 192 RAM, 22 I/O, -40C to +85C, 28-SPDIP, TUBE]
分类和应用: 闪存微控制器
文件页数/大小: 174 页 / 3853 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC16F7X  
TABLE 1-2:  
PIC16F73 AND PIC16F76 PINOUT DESCRIPTION  
DIP  
SSOP  
SOIC  
Pin#  
MLF  
Pin#  
I/O/P  
Type  
Buffer  
Type  
Pin Name  
Description  
(3)  
OSC1/CLKI  
OSC1  
9
6
ST/CMOS  
Oscillator crystal or external clock input.  
I
I
Oscillator crystal input or external clock source input. ST  
buffer when configured in RC mode. Otherwise CMOS.  
External clock source input. Always associated with pin  
function OSC1 (see OSC1/CLKI, OSC2/CLKO pins).  
CLKI  
OSC2/CLKO  
OSC2  
10  
7
Oscillator crystal or clock output.  
O
O
Oscillator crystal output.  
Connects to crystal or resonator in Crystal Oscillator  
mode.  
In RC mode, OSC2 pin outputs CLKO, which has 1/4 the  
frequency of OSC1 and denotes the instruction cycle rate.  
CLKO  
MCLR/VPP  
MCLR  
1
26  
ST  
Master Clear (input) or programming voltage (output).  
Master Clear (Reset) input. This pin is an active low  
RESET to the device.  
I
VPP  
P
Programming voltage input.  
PORTA is a bi-directional I/O port.  
RA0/AN0  
RA0  
2
3
4
5
27  
28  
1
TTL  
TTL  
TTL  
TTL  
I/O  
I
Digital I/O.  
Analog input 0.  
AN0  
RA1/AN1  
RA1  
I/O  
I
Digital I/O.  
Analog input 1.  
AN1  
RA2/AN2  
RA2  
I/O  
I
Digital I/O.  
Analog input 2.  
AN2  
RA3/AN3/VREF  
RA3  
2
I/O  
Digital I/O.  
AN3  
VREF  
I
I
Analog input 3.  
A/D reference voltage input.  
RA4/T0CKI  
RA4  
6
7
4
5
ST  
I/O  
I
Digital I/O Open drain when configured as output.  
Timer0 external clock input.  
T0CKI  
RA5/SS/AN4  
RA5  
TTL  
I/O  
Digital I/O.  
SS  
AN4  
I
I
SPI slave select input.  
Analog input 4.  
Legend:  
I = input  
= Not used  
O = output  
TTL = TTL input  
I/O = input/output  
ST = Schmitt Trigger input  
P = power  
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.  
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.  
3: This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.  
DS30325B-page 8  
2002 Microchip Technology Inc.