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PIC18F4431-I/PT 参数 Datasheet PDF下载

PIC18F4431-I/PT图片预览
型号: PIC18F4431-I/PT
PDF下载: 下载PDF文件 查看货源
内容描述: 28 /40/ 44引脚增强型闪存微控制器采用纳瓦技术,高性能PWM和A / D [28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D]
分类和应用: 闪存微控制器
文件页数/大小: 392 页 / 3127 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC18F2331/2431/4331/4431  
TABLE 1-3:  
Pin Name  
PIC18F4331/4431 PINOUT I/O DESCRIPTIONS  
Pin Number  
Pin Buffer  
Type Type  
Description  
PDIP TQFP QFN  
MCLR/VPP/RE3  
MCLR  
1
18  
18  
Master Clear (input) or programming voltage (input).  
Master Clear (Reset) input. This pin is an active-low  
Reset to the device.  
I
ST  
ST  
VPP  
RE3  
P
I
Programming voltage input.  
Digital input. Available only when MCLR is disabled.  
OSC1/CLKI/RA7  
OSC1  
13  
30  
32  
Oscillator crystal or external clock input.  
Oscillator crystal input or external clock source input.  
ST buffer when configured in RC mode; CMOS otherwise.  
External clock source input. Always associated with pin  
function OSC1. (See related OSC1/CLKI, OSC2/CLKO  
pins.)  
I
I
ST  
CLKI  
CMOS  
RA7  
I/O  
TTL  
General purpose I/O pin.  
OSC2/CLKO/RA6  
OSC2  
14  
31  
33  
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.  
General purpose I/O pin.  
CLKO  
RA6  
I/O  
TTL  
Legend: TTL = TTL compatible input  
ST = Schmitt Trigger input with CMOS levels  
= Output  
CMOS = CMOS compatible input or output  
I
= Input  
O
P
= Power  
Note 1: RC3 is the alternate pin for T0CKI/T5CKI; RC4 is the alternate pin for SDI/SDA; RC5 is the alternate pin  
for SCK/SCL; RC7 is the alternate pin for SDO.  
2: RD4 is the alternate pin for FLTA.  
3: RD5 is the alternate pin for PWM4.  
2010 Microchip Technology Inc.  
DS39616D-page 19  
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