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PDF CMS66P47 Data sheet ( Hoja de datos )
| Número de pieza | CMS66P47 | |
| Descripción | 8-Bit OTP MCU | |
| Fabricantes | Cmsemicon | |
| Logotipo |  |
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CMS66P01/02/47/22/23
CMS66P01/02/47/22/23
8-Bit OTP MCU
Data Sheet
http;//www.mcu.com.cn
P. 1
MAR-2008 VER1.1
1 page  
CMS66P01/02/47/22/23
The PIN Description
Pin Name
P0.0/AN0/COMP0-
P0.1/AN1/COMP0+
P0.2/AN2/RTCC
P0.3/AN3
P0.4/AN4
P0.5/AN5
P0.6/AN6
P0.7/AN7
P1.0/COMP1-
P1.1/COMP1+
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
OSCOUT/P3.0
OSCIN/P3.1
RES/P3.2
VCC
GND
Description
Input/Ouput/AN0/Comparator0 - Input
Input/Ouput/AN1/Comparator0 + Input
Input/Ouput/AN2
Input/Ouput/AN3
Input/Ouput/AN4
Input/Ouput/AN5
Input/Ouput/AN6
Input/Ouput/AN7
Input/Ouput and Comparator1 - Input
Input/Ouput and Comparator1 + Input
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
Input/Ouput
OSC Output or Input/Ouput
OSC Input or Input/Ouput
RESET or Input
Power supply
Ground
http;//www.mcu.com.cn
P. 5
MAR-2008 VER1.1
5 Page 
CMS66P01/02/47/22/23
.7 .6 .5 .4 .3 .2
.1
.0
Always 0
RES/P3.2 OSCIN/P3.1 OSCOUT/P3.0
.2
When LVR Enable (OTP Program). This pin can be used as input port P3.2
Otherwise this pin is a reset pin.
.1 and .0
When Oscillator selected as INTRC(OTP Program), These two pins can be
used as input or output, the direction can be operated by instruction WRSR P3.
Example:
LDIA
01h
WRSR P3
;then P3.0 is input and P3.1 is output
ADDATA
The A/D converter data register, ADDATA, is located at address 09H.
ADCON
The A/D converter control register, ADCON, is located at address
0AH,ADCON has four functions:
–Bit 0~2 select an analog input pin (AN0~AN7)
–Bit 3~4 select a conversion speed
–Bit 6 the flag of ADC finished(read only)
–Bit 7 starts the AD conversion
Only one analog input channel can be selected at a time. You can dynamically
select any one of the 8 analog input pins(AN0~AN7) by manipulating the 4-bit
value for ADCON.0~ADCON.2.
Bit2/Bit2/Bit0 =
000 channel selected AN0
001 channel selected AN1
010 channel selected AN2
011 channel selected AN3
100 channel selected AN4
101 channel selected AN5
110 channel selected AN6
111 channel selected AN7
Bit4/Bit3
= 00 A/D clock is fosc/2
01 A/D clock is fosc/8
http;//www.mcu.com.cn
P. 11
MAR-2008 VER1.1
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CMS66P47.PDF ] | |
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