ht82m33a Holtek Semiconductor Inc., ht82m33a Datasheet - Page 7

• Manufacturer Part Number: ht82m33a
• Description: 3d Mouse Controller
• Manufacturer: Holtek Semiconductor Inc.

Timing Diagrams
X,Y,Z input
Serial mouse
X,Y Axis Photo-coupler crossed width
Z Axis counting
Word structure
Key output
Bit structure
RXD
X1 (Y1)
X2 (Y2)
Z2
Key in/release
Z1
RXD
RXD
Data bit no.
1st word
+1
+1
T
S
T
R
T
+1
0
1
D
2nd word
T
1
+1
2
D
tms
T
2
3
D
T
3
3rd word
4
D
T
4
D
T
7
5
D
+1
T
4th word
6
D
T
T
F
+1
D
T
P
+1
1
+1
2
tms
1
3
4
HT82M33A
3rd Mar ’99