MDT10P716

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P. 2

Preliminary 2007/5

Ver1.1

4. Pin Assignment

18-pin PDIP/SOP

PA2/AIC2 1

18

PA1/AIC1

PA3/AIC3/Vref 2

17

PA0/AIC0

PA4/RTCC 3

16

OSC1

/MCLR 4

15

OSC2

VSS 5

14

VDD

PB0/INT 6

13

PB7

PB1/T1OSO/T1CKI 7

12

PB6

PB2/T1OSI 8

11

PB5

PB3/CCP 9

10

PB4

20-pin SSOP

PA2/AIC2 1

20

PA1/AIC1

PA3/AIC3/Vref 2

19

PA0/AIC0

PA4/RTCC 3

18

OSC1

/MCLR 4

17

OSC2

VSS 5

16

VDD

VSS 6

15

VDD

PB0/INT 7

14

PB7

PB1/T1OSO/T1CKI 8

13

PB6

PB2/T1OSI 9

12

PB5

PB3/CCP 10

11

PB4

5. Pin Function Description

Pin Name

I/O

Function Description

PA0~PA3

I/O

Port A, TTL input level, Analog input channel.

PA4/RTCC

I/O

Real Time Clock/Counter, Schmitt Trigger input level.

Open drain output.

PB0~PB7

I/O

Port B, TTL input level, PB0: External Interrupt input.

PB4~PB7: Interrupt on pin change.

/MCLR

I

Master Clear, Schmitt Trigger input level.

OSC1/CLKIN

I

Oscillator Input, External clock input.

OSC2/CLKOUT

O

Oscillator Output, In RC mode, the CLKOUT pin has

1/4 frequency of CLKIN.

VDD

Power supply

VSS

Ground