EM84520 View Datasheet(PDF) - ELAN Microelectronics

Part Name

Description

Manufacturer

EM84520

2-in-one scrolling mouse controller

ELAN Microelectronics 

TIMING DIAGRAM

(A) PS/2 mouse mode :

(A) Photo-couples pulse width

X1(Y1)

X2(Y2)

Tr

EM84520

2-IN-ONE SCROLLING MOUSE CONTROLLER

Preliminary

Tf

(B) Receiving Data

CLK

DATA

(C) Sending Data

Inhibit

1st

CLK

2nd

CLK

9th

CLK

10th

CLK

11th

CLK

Tmca

Tmdc

Tmci

Start

Bit

Bit0-Bit7

Parity

Bit

Stop

Line

Bit Control

Bit

CLK

DATA

1st

CLK

2nd

CLK

Tsci

Tsdc Tscd

Tsca

Start

Bit

Bit0-Bit7

10th

CLK

11th

CLK

Tpi

Parity

Stop

Bit

Bit

* This specification are subject to be changed without notice.

6.28.1999 14

Share Link: