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MX10F201FC

High-Performance and Low Power Microcontroller designed for Use Many Applications

Macronix International 

MX10F201FC

I/O facilities

MX10F201FC has one 8 bits port, port 0, which is open drain, and three 8 bits ports, port 1/2/3, which are quasi bi-

directional ports. These four ports are fully compatible to standard 80C51's port 0/1/2/3.

- Port1: pins can be configured individually to provide 2 PWM outputs.

- Port3: pins can be configured individually to provide: external interrupt inputs (external interrupt 0/1/2/3);

external inputs for Timer/ counter 0 and Timer /counter1, and UART receive / transmit.

Port pins which are not used for alternate functions may be used as normal bidirectional I/O pins. The generation or

use of a Port 1 or Port 3 pin as an alternate function is carried out automatically by writing the associated SFR bit with

proper value.

O

from port latch

input data

read port pin

2 oscillator

penods

strong pull-up

P1

P2

P3

n

INPUT

BUFFER

Fig. 5 I/O buffers in the MX10F201FC (Ports 1,2,3)

+5V

I/O PORT

1,2,3

P/N:PM0730

REV. 0.1, FEB. 14, 2003

8

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