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PDF CMS16P55 Data sheet ( Hoja de datos )
| Número de pieza | CMS16P55 | |
| Descripción | (CMS16P52 - CMS16P55) 8-Bit OTP MCU | |
| Fabricantes | Cmsemicon | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CMS16P55 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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CMS16P52/53/55
8-Bit OTP MCU
Data Sheet
http;//www.mcu.com.cn
P. 1
MAR-2008 VER1.1
Free Datasheet http://www.datasheet4u.net/
1 page  
CMS16P52/53/55
The PIN Description
Pin Name Description
P0.0/COMP0- Input/Ouput and Comparator0 - Input
P0.1/COMP0+ Input/Ouput and Comparator0 + Input
P0.2/RTCC
Input/Ouput
P0.3
Input/Ouput
P0.4/RES
RESET or Input
P0.5/OSCIN Input/Ouput
P0.6/OSCOUT Input/Ouput
P1.0/COMP1- Input/Ouput and Comparator1 - Input
P1.1/COMP1+ Input/Ouput and Comparator1 + Input
P1.2
Input/Ouput
P1.3
Input/Ouput
P1.4
Input/Ouput
P1.5
Input/Ouput
P1.6
Input/Ouput
VDD
Power supply
GND
Ground
http;//www.mcu.com.cn
P. 5
MAR-2008 VER1.1
Free Datasheet http://www.datasheet4u.net/
5 Page 
P1 is an 8-bit I/O Register (P1<7:0>).
B7 B6 B5 B4 B3
Always 0 P1.6 P1.5 P1.4 P1.3
COMPCON Register
B[7] B[6] B[5] B[4]
B[3]
CMS16P52/53/55
B2
P1.2
B1
P1.1
B0
P1.0
B[2] B[1] B[0]
B[7] ----- no used
B[6] ----- + Input Control bit of Comparator1
0 – the + input of comparator1 connect to GND, P1.1 can be used
as normal I/O
1 – the + input of comparator1 connect to P1.1
B[5] ----- Comparator1 enable control bit
0 –Comparator1 disable, P1.0 and P1.1 can be used as normal I/O
1 –Comparator1 enable, P1.0 used as analog – input
B[4] ----- + Input Control bit of Comparator0
0 – the + input of comparator0 connect to GND, P0.1 can be used
as normal I/O
1 – the + input of comparator0 connect to P0.1
B[3] ----- Comparator0 enable control bit
0 –Comparator0 disable, P0.0 and P0.1 can be used as normal I/O
1 –Comparator0 enable, P0.0 used as analog – input
B[2] ----- Pullup Resistor of P2 Control bit
0 –Pullup Resistor of P2 Disable
1 –Pullup Resistor of P2 Enable
B[1] ----- Pullup Resistor of P1 Control bit
0 –Pullup Resistor of P1 Disable
1 –Pullup Resistor of P1 Enable
B[0] ----- Pullup Resistor of P0 Control bit
0 –Pullup Resistor of P0 Disable
1 –Pullup Resistor of P0 Enable
When any port was used as output or analog input, the Pullup Reisstor
will be disable.
EXAMPLE:( How to use Comparator 0)
SETB
COMPCON, 3 ;
SETB
COMPCON, 4 ;Set P0.1 as + input of comparator 0
NOP
NOP
NOP
;Delay
SZB
P0, 0
;Get the result of comparator 0
JP P_LT_N
N_LT_P:
http;//www.mcu.com.cn
P. 11
MAR-2008 VER1.1
Free Datasheet http://www.datasheet4u.net/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CMS16P55.PDF ] | |
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