M38860E2A-XXXFS View Datasheet(PDF) -

MITSUBISHI MICROCOMPUTERS

3886 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(Address 002A16) b7 b6 b5 b4 b3 b2 b1 b0

P42/INT0/OBF00

P43/INT1/OBF01

P50/A0

P51/INT20/S0

P52/INT30/R

P53/INT40/W

P80/DQ0

P81/DQ1

P82/DQ2

P83/DQ3

P84/DQ4

P85/DQ5

P86/DQ6

P87/DQ7

P47/SRDY1/S1

(Address 002916)

U07 U06 U05 U04 A00 U02 IBF0 OBF0

Output data bus buffer 0

(Address 002816)

Input data bus buffer 0

(Address 002816)

WR

RD

DBBSTS0

D B B0

RD

Input data bus buffer 1

WR

(Address 002B16)

D B B1

DBBSTS1

Output data bus buffer 1

(Address 002B16)

U17 U16 U15 U14 A01 U12 IBF1 OBF1

(Address 002C16)

P46/SCLK1/OBF10

Fig. 34 Bus interface device block diagram

37

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