MDT10P22(DF)

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P. 4

2007/8

Ver. 1.6

6. Pin Function Description

Pin Name

I/O

Function Description

PA0~PA7

I/O

PA0~PA3 : TTL input level or comparator input

PA4 : TTL input level or comparator VREF input

PA5~PA7 : TTL input level

PB0~PB7

I/O

Port B, 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

Vdd

Power supply

Vss

Ground

NC

Unused ,do not connect

7. Memory Map

(A) Register Map

Address

Description

00

Indirect Addressing Register

01

RTCC

02

PC

03

STATUS

04

MSR

05

Port A

06

Port B

07

Control register for comparator

08~0F

Internal RAM, General Purpose Register

10~1F

Internal RAM, Memory bank 0

30~3F

Internal RAM, Memory bank 1

50~5F

Internal RAM, Memory bank 2

70~7F

Internal RAM, memory bank 3