ht82m938r Holtek Semiconductor Inc., ht82m938r Datasheet - Page 4

• Manufacturer Part Number: ht82m938r
• Description: 27mhz 3d Ps2 Mouse Controller
• Manufacturer: Holtek Semiconductor Inc.

Timing Diagrams
X, Y, Z input
PS/2 mouse
Rev. 1.30
T1
T2
T3
T4
T5
T6
X, Y Axis photo-coupler cross width
For X, Y-axis t
X/Y/Z Axis counting
Data output
Timing Parameter
Data transition to the falling edge of CLOCK
Rising edge of CLOCK to DATA transition
Duration of CLOCK low
Duration of CLOCK high
Minimum time to MOUSE inhibit after clock 11
Maximum time to MOUSE inhibit after clock 11 to ensure MOUSE does not start
another transmission
R
, t
F
>100 s; For Z-axis t
R
, t
F
>1ms
4
HT82M938T/HT82M938R
October 29, 2002
5/25 sec
5/T4-5 sec
30/50 sec
30/50 sec
>0 sec
<50 sec
Min/Max