MDT10P23(CF )

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P. 6

2007/8

Ver. 1.6

(5) MSR (Memory Select Register) : R4

Memory Select Register :

00 : 10~1F

01 : 30~3F

10 : 50~5F

11 : 70~7F

b7

b6

b5

b4

b3

b2

b1

b0

Read only “1”

Indirect Addressing Mode

(6) PORT A : R5

PA7~PA0, I/O Register for 22, 24 pins

PA5~PA0, I/O Register for 20 pins

PA3~PA0, I/O Register for 18 pins

(7) PORT B : R6

PB7~PB0, I/O Register

(8) CMR(Comparator Mode Register)

: R7

Bit

Function

0

1

2

3

5:4

7:6

0: Define PA0 as TTL input

1: Define PA0 as comparator input

0: Define PA1 as TTL input

1: Define PA1 as comparator input

0: Define PA2 as TTL input

1: Define PA2 as comparator input

0: Define PA3 as TTL input

1: Define PA3 as comparator input

Reference Voltage select

00: 1/4 VDD

01: 1/2 VDD

10: 3/4 VDD

11: VREF (External pin and PA4 must be set to inpu

Register bits