SM5902AF datasheet(13/40 Pages) NPC

13 / 40 page

NIPPON PRECISION CIRCUITS-13

SM5902AF

Bit

Name

Function

H operation

Reset level

MSWREN

Encode sequence start/stop

Start

MSWACL

Write address reset

Reset

MSRDEN

Decode sequence start/stop

Start

MSRACL

Read address reset

Reset

MSDCN2

MSDCN2=H, MSDCN1=H: 3-pair comparison start

MSDCN2=H, MSDCN1=L: 2-pair comparison start

MSDCN1

MSDCN2=L, MSDCN1=H: Direct-connect start

MSDCN2=L, MSDCN1=L: Connect operation stop

WAQV

Q data valid

Valid

MSON

Memory system ON

1000 0000

80hex =

Shock-proof memory system settings

Bit

Name

Function

H operation Reset level

UC5OE

Extension I/O port UC5 input/output setting

Output

UC4OE

Extension I/O port UC4 input/output setting

Output

UC3OE

Extension I/O port UC3 input/output setting

Output

UC2OE

Extension I/O port UC2 input/output setting

Output

UC1OE

Extension I/O port UC1 input/output setting

Output

1000 0001

81hex =

Extension I/O port input/output settings

Bit

Name

Function

H operation Reset level

UC5WD

Extension I/O port UC5 output data setting

H output

UC4WD

Extension I/O port UC4 output data setting

H output

UC3WD

Extension I/O port UC3 output data setting

H output

UC2WD

Extension I/O port UC2 output data setting

H output

UC1WD

Extension I/O port UC1 output data setting

H output

1000 0010

82hex =

Extension port HIGH/LOW output level

A port setting is invalid if that port has already been defined as an input using the 81H command above.

Command table

Write command summary

MS command 80

Extension I/O settings 81

Extension I/O output data settings 82

SM5902AF Datasheet(PDF) 13 Page - Nippon Precision Circuits Inc

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