MDT10P257

This specification are subject to be changed without notice. Any latest information please visit our web

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P.

2

2011/02

VER 1.1

4. Pin Assignment

MDT10P257P11

MDT10P257S11

MDT10P257K11

RTCC 1

28 /MCLR

27 OSC1

N/C 3

26 OSC2

25 PC7

N/C 5

24 PC6

PA0 6

23 PC5

PA1 7

22 PC4

PA2 8

21 PC3

PA3 9

20 PC2

PB0 10

19 PC1

PB1 11

18 PC0

PB2 12

17 PB7

PB3 13

16 PB6

PB4 14

15 PB5

MDT10P257SS11

VSS 1

28 /MCLR

RTCC 2

27 OSC1

VDD 3

26 OSC2

VDD 4

25 PC7

PA0 5

24 PC6

PA1 6

23 PC5

PA2 7

22 PC4

PA3 8

21 PC3

PB0 9

20 PC2

PB1 10

19 PC1

PB2 11

18 PC0

PB3 12

17 PB7

PB4 13

16 PB6

VSS 14

15 PB5

5. Order Information

MARK

ROM

(Words)

RAM

(Bytes)

I/O

Timer

(8 bit)

Package

Mil

MDT10P257P11

2K

72

28

1

28-DIP

600 mil

MDT10P257S11

2K

72

28

1

28-SOP

300 mil

MDT10P257SS11

2K

72

28

1

28-SSOP

209 mil

MDT10P257K11

2K

72

28

1

28-SKINNY

300 mil

6. Pin Function Description

Pin Name

I/O

Function Description

PA0~PA3

I/O

Port A, TTL input level

PB0~PB7

I/O

Port B, TTL input level

PC0~PC7

I/O

Port C, TTL input level

RTCC

I

Real Time Clock/Counter, Schmitt Trigger input levels

/MCLR

I

Master Clear, Schmitt Trigger input levels

OSC1

I

Oscillator Input

OSC2

O

Oscillator Output

Power supply

Ground