4250 datasheet(10/59 Pages) RENESAS

10 / 59 page

MITSUBISHI MICROCOMPUTERS

4250 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

PORT BLOCK DIAGRAMS

F0, F1

OFA

instruction

IAF instruction

OSA instruction

Key-on wakeup

input

S0–S3

K00

IAS instruction

LGOP instruction

LO Register

Skip decision

(SZD instruction)

D0, D1

Decoder

SD instruction

RD instruction

SCP instruction

RCP instruction

Skip decision

(SZD instruction)

D2/C

Skip decision

(SNZCP instruction)

PU01

Pull-up transistor

Decoder

SD instruction

RD instruction

(Note 1)

(Note 3)

(Note 2)

(Note 1)

D3/K

Skip decision

(SZD instruction)

OKA instruction

IAK instruction

Pull-up transistor

PU01

Decoder

SD instruction

RD instruction

(Note 1)

This symbol represents

a parasitic diode.

Applied potential to ports D0, D1, F0, F1, S0–S3

must be 7V or less.

Applied potential to ports D2, D3 must be VDD or

less.

i represents 0, 1, 2 or 3.

j represents 0 or 1.

CLD

instruction

CLD

instruction

CLD

instruction

Logic

operator

Notes 1:

4250 Datasheet(PDF) 10 Page - Renesas Technology Corp

4250 Datasheet(HTML) 10 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

Datasheet Download

Link URL