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PIC12C508A-04/P 参数 Datasheet PDF下载

PIC12C508A-04/P图片预览
型号: PIC12C508A-04/P
PDF下载: 下载PDF文件 查看货源
内容描述: 8引脚, 8位CMOS微控制器 [8-Pin, 8-Bit CMOS Microcontrollers]
分类和应用: 微控制器和处理器外围集成电路光电二极管PC可编程只读存储器时钟
文件页数/大小: 113 页 / 1604 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC12C5XX  
TABLE 3-1:  
Name  
PIC12C5XX PINOUT DESCRIPTION  
DIP  
SOIC  
Pin #  
I/O/P  
Type  
Buffer  
Type  
Description  
Pin #  
GP0  
7
7
I/O  
TTL/ST Bi-directional I/O port/ serial programming data. Can  
be software programmed for internal weak pull-up and  
wake-up from SLEEP on pin change. This buffer is a  
Schmitt Trigger input when used in serial programming  
mode.  
GP1  
6
6
I/O  
TTL/ST Bi-directional I/O port/ serial programming clock. Can  
be software programmed for internal weak pull-up and  
wake-up from SLEEP on pin change. This buffer is a  
Schmitt Trigger input when used in serial programming  
mode.  
GP2/T0CKI  
5
4
5
4
I/O  
I
ST  
Bi-directional I/O port. Can be configured as T0CKI.  
GP3/MCLR/VPP  
TTL/ST Input port/master clear (reset) input/programming volt-  
age input. When configured as MCLR, this pin is an  
active low reset to the device. Voltage on MCLR/VPP  
must not exceed VDD during normal device operation  
or the device will enter programming mode. Can be  
software programmed for internal weak pull-up and  
wake-up from SLEEP on pin change. Weak pull-up  
always on if configured as MCLR. ST when in MCLR  
mode.  
GP4/OSC2  
3
2
3
2
I/O  
I/O  
TTL  
Bi-directional I/O port/oscillator crystal output. Con-  
nections to crystal or resonator in crystal oscillator  
mode (XT and LP modes only, GPIO in other modes).  
GP5/OSC1/CLKIN  
TTL/ST Bidirectional IO port/oscillator crystal input/external  
clock source input (GPIO in Internal RC mode only,  
OSC1 in all other oscillator modes). TTL input when  
GPIO, ST input in external RC oscillator mode.  
VDD  
1
1
P
Positive supply for logic and I/O pins  
Ground reference for logic and I/O pins  
VSS  
8
8
P
Legend: I = input, O = output, I/O = input/output, P = power, — = not used, TTL = TTL input,  
ST = Schmitt Trigger input  
1999 Microchip Technology Inc.  
DS40139E-page 11  
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