HT6523 Ver la hoja de datos (PDF) - Holtek Semiconductor

Número de pieza

componentes Descripción

Lista de partido

HT6523

PS/2 Mouse Controller

Holtek Semiconductor 

HT6523

Timing Diagrams

Data Output

(1 ) (3 )

C LK

(3 )

(3 )

1st

2nd

C LK

C LK

T3 T4

(2 )

T1

T2

D ATA

S ta r t B it

B it 0

(3 )

1 0 th

C LK

(4 )

T6

1 1 th

C LK

(5 ) (7 )

T5

P a r ity B it

S to p B it

(6 )

Timing Parameter

Min/Max

T1 Data transition to the falling edge of CLK

5/25ms

T2 Rising edge of CLK to DATA transition

5/T4-5ms

T3 Duration of CLK low

30/50ms

T4 Duration of CLK high

30/50ms

T5 Minimum time to MOUSE inhibit after clock 11

> 0ms

T6

Maximum time to MOUSE inhibit after clock 11 to ensure MOUSE does not start another trans-

mission

< 50ms

Data Input

(1 )

C LK

(2 )

M ouse

In h ib it

(4 ) 1 s t

C LK

2nd

C LK

D ATA

S ta r t B it

(3 )

T7 T8

T9

B it 0

(5 )

9 th

1 0 th

1 1 th

C LK

C LK

C LK

(8 )

(6 )

P a r ity B it S to p B it

(5 )

(7 )

Timing Parameter

T7 Duration of CLK low

T8 Duration of CLK high

T9 Time from low to high CLK transition to time when MOUSE samples DATA line

Min/Max

30/50ms

30/50ms

5/25ms

Rev. 1.20

6

March 6, 2003

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