HOLTEK HT82M938R

HT82M938T/HT82M938R
27MHz 3D PS2 Mouse Controller
Features
· Compatible with Microsoft Windows 2000 and
· Z axis can support optomechanical and mechanical
5-Button Wheel Mouse
scroller input
· Compatible with Microsoft Intelli 3D PS/2 and IBM
· Crystal oscillator system frequency 6MHz for trans-
PS/2 mouse compatible
mitter and 6MHz for receiver
· Supports rolling buttons in 3D PS/2 mouse mode
· 27MHz Single Channel with 8 ID Code
· Supports five buttons (R,M,L,B4,B5) and three axes
· Transmitter 20-pin SOP and receiver 16-pin SOP
( X,Y,Z)input
package
General Description
Wheel Mouse. The operation of the Z axis can support
optomechanical and mechanical scroller input.
The HT82M938T/HT82M938R is a Plug & Play 27MHz
RF 5 Buttons 3D PS/2 mouse controller transmitter and
receiver. It is compatible with Microsoft Intelli 3D PS/2
Pin Assignment
T r a n s m itte r
R e c e iv e r
Z 1
1
2 0
R
2
1 9
IR _ O N
3
1 8
R F _ O U T
4
1 7
R F _ E N
B 4
5
1 6
B 5
6
1 5
V S S
7
1 4
V D D
N C
8
1 3
R E S E T
X 1
9
1 2
X 2
1 0
1 1
M
L
Z 2
N C
1
1 6
N C
D A T A
2
1 5
L E D
O S C 2
N C
3
1 4
R E S _ C H
O S C 1
N C
4
1 3
O S C 2
O S C 1
N C
5
1 2
V S S
6
1 1
V D D
Y 2
N C
7
1 0
R E S E T
Y 1
C L K
8
9
R F _ IN
H T 8 2 M 9 3 8 T
2 0 S O P -A
H T 8 2 M 9 3 8 R
1 6 S O P -A
Pin Description
Transmitter
Pin No.
1, 20
Pin Name
Z1, Z2
2, 3, 4, 5, 6 R, M, L, B4, B5
I/O
Description
I
Z-axis input supports two kinds of scroller input; optomechanical and mechanical.
I
Input ports with pull-high 12kW resistor. These pads can function as Left, Right,
Middle, B4 and B5 button lines.
7
VSS
¾
9, 10
X, X2
I
11, 12
Y1, Y2
I
Y-axis photo input
13
RESET
I
Chip reset input, low active
14
VDD
15
OSC1
I
6MHz OSC input
16
OSC2
O
6MHz OSC output
Rev. 1.30
¾
Negative power supply, ground
X-axis photo input
5V positive power supply
1
October 29, 2002
HT82M938T/HT82M938R
Pin No.
Pin Name
I/O
Description
17
RF_EN
O
RF module enable
18
RF_OUT
O
RF data output
19
IR_ON
O
X, Y, Z photo input power control
Receiver
Pin No.
Pin Name
I/O
Description
I/O PS/2 mouse ²DATA² line with pull-high 12kW resistor
2
DATA
6
VSS
¾
8
CLK
I/O PS/2 mouse ²CLOCK² line with pull-high 12kW resistor
9
RF_IN
I
RF data input
10
RESET
I
Chip reset input, low active
11
VDD
12
OSC1
I
6MHz OSC input
13
OSC2
O
6MHz OSC output
¾
Negative power supply, ground
5V positive power supply
14
RES_CH
I
Channel select reset switch with pull-high 12kW resistor
15
LED
O
Data transfer and change channel mode display LED
Electrical Characteristics
Transmitter
Symbol
Parameter
Test Conditions
VDD
Conditions
¾
Min.
Typ.
Max.
Unit
2.4
¾
5.5
V
VDD
Operating Voltage
¾
IDD
Operating Current (Crystal OSC)
3V
No load, fSYS=6MHz
¾
0.7
1.5
mA
ISTB
Standby Current
3V
No load, system HALT
¾
¾
8
mA
VIL
Input Low Voltage (X1, X2, Y1, Y2,
3V
Z1, Z2, R, M, L, B4, B5)
¾
0
¾
1
V
VIH
Input High Voltage (X1, X2, Y1, Y2,
3V
Z1, Z2, R, M, L, B4, B5)
¾
2.1
¾
3
V
VIL1
Input Low Voltage (RESET)
3V
¾
0
¾
0.7
V
VIH1
Input High Voltage (RESET)
3V
¾
2.5
¾
3
V
Min.
Typ.
Max.
Unit
2.4
¾
5.5
V
Receiver
Symbol
Parameter
Test Conditions
VDD
Conditions
¾
VDD
Operating Voltage
¾
IDD
Operating Current (Crystal OSC)
5V
No load, fSYS=6MHz
¾
2
5
mA
ISTB
Standby Current
5V
No load, system HALT
¾
¾
15
mA
VIL
Input Low Voltage (RES_CH)
5V
¾
0
¾
1.5
V
VIH
Input High Voltage (RES_CH)
5V
¾
3.5
¾
5
V
VIL1
Input Low Voltage (RESET)
5V
¾
0
¾
1.3
V
VIH1
Input High Voltage (RESET)
5V
¾
4.1
¾
5
V
Rev. 1.30
2
October 29, 2002
HT82M938T/HT82M938R
Functional Description
· Data format for 3D PS/2
Change ID procedure
· First press Receiver RESET key, the LED will blink
Variable rps, 0, 8, 1, bidirectional synchronous.
very quickly.
Bit No.
· Now press Transmitter L, M, R button at least
7
6
5
4
3
2
1
0
3-minutes, the mouse will jump to change ID mode
and output a change ID signal to the receiver.
· At the same time, the LED of the Receiver will blink
slowly to wait the change ID information.
1st word
YV
XV
YS
XS
1
M
R
L
2nd word
X7
X6
X5
X4
X3
X2
X1
X0
3rd word
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
· The user can decide which ID to be changed by press-
4th word
Z7
Z6
Z5
Z4
Z3
Z2
Z1
Z0
ing M button. If the user wants to change ID to 4, just
press the M button four time (This mouse support 8
ID).
Note:
The Z data report is 8-bit 2¢s complement
· After deciding the ID number, the user can easy return
X movement towards the right is positive,
movement towards the left is negative
to normal mode by pressing the L or R button once.
· After the Receiver receive the END signal of the
Y upward movement is positive, moving down
is negative
change ID, the LED will no longer blink and the Receiver returns to normal mode.
Z rolling towards the user is positive, else negative
PS/2 mouse
Button status: 1=pressed, 0=released
· PS/2 status byte
Bit
7:
6:
5:
4:
3:
2:
1:
0:
The X/Y data report is 9-bit 2¢s complement
· Mouse mode changes between standard and 3D
RESERVED
0=STREAM MODE, 1=REMOTE MODE
0=DISABLED, 1=ENABLED
0=SCALING 1:1, 1=SCALING 2:1
RESERVED
1=LEFT BUTTON PRESSED
1=MIDDLE BUTTON PRESSED
1=RIGHT BUTTON PRESSED
PS/2 mode
¨
Sending the commands in the following sequence
will set the mouse to 3D PS/2 mode.
Command
F3h
C8h
F3h
64h
F3h
50h
F2h
· Standard PS/2 data format
Variable rps, 0, 8, 1, bidirectional synchronous.
Bit No.
7
6
5
4
3
2
1
0
1st word
YV
XV
YS
XS
1
M
R
L
2nd word
X7
X6
X5
X4
X3
X2
X1
X0
3rd word
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
Response from mouse
FAh
FAh
FAh
FAh
FAh
FAh
Fah
¨
Any time the PC sends a reset ¢FFh¢ command to
the mouse, it will reset the mouse to standard PS/2
mode.
¨
After power-on reset is initiated, the mouse is set to
standard PS/2 mode.
5-button wheel mouse mode follows the 5-button activation method of Windows 2000 and 5-button wheel
mouse specification.
Rev. 1.30
3
October 29, 2002
HT82M938T/HT82M938R
Timing Diagrams
X, Y, Z input
· X, Y Axis photo-coupler cross width
X 1 (Y 1 )(Z 1 )
X 2 (Y 2 )(Z 2 )
tR
tF
For X, Y-axis tR, tF>100ms; For Z-axis tR, tF>1ms
· X/Y/Z Axis counting
X 1
X 2
+ 1
+ 1
+ 1
+ 1
+ 1
+ 1
+ 1
+ 1
Z 1
Z 2
+ 1
+ 1
-1
-1
PS/2 mouse
· Data output
(3 )
(1 )
(3 )
(3 )
(3 )
1 0 th
C L K
2 n d
C L K
C L K
T 3
T 1
(2 )
D A T A
T 6
(4 )
T 4
1 1 th
C L K
T 5
(5 )
(7 )
T 2
S ta r t B it
B it 0
P a r ity B it
S to p B it
Min/Max
Timing Parameter
T1
Data transition to the falling edge of CLOCK
5/25 msec
T2
Rising edge of CLOCK to DATA transition
5/T4-5 msec
T3
Duration of CLOCK low
30/50 msec
T4
Duration of CLOCK high
30/50 msec
T5
Minimum time to MOUSE inhibit after clock 11
>0 msec
T6
Maximum time to MOUSE inhibit after clock 11 to ensure MOUSE does not start
another transmission
<50 msec
Rev. 1.30
4
October 29, 2002
HT82M938T/HT82M938R
· Data input
(2 )
(1 )
(4 )
M o u s e
In h ib it
C L K
9 th
C L K
2 n d
C L K
1 s t
C L K
T 7
1 0 th
C L K
1 1 th
C L K
(8 )
T 8
T 9
D A T A
(6 )
S ta r t B it
B it 0
P a r ity B it
(3 )
(5 )
(5 )
S to p B it
(7 )
Min/Max
Timing Parameter
T7
Duration of CLOCK low
30/50 msec
T8
Duration of CLOCK high
30/50 msec
T9
Time from low to high CLOCK transition to time when MOUSE samples DATA line
5/25 msec
Application Circuits
Transmitter application (This application circuit is for reference only)
V
R B 5 0 0
V
1
3 3 0 m H (2 W )
2
C C
3
+
O C Y 2
IR Y
IR Z
4
0 .1 m F
B A T T E R Y
N C
O U T
L X
N C
N C
V D E T
V S S
O C Z 1
C P
2 7 0 k W
8
4 7 m F
7
+
3 V
C C
6
5
H T 7 6 2 7
3 3 0 k W
A N T
O C Z 2
O C Y 1
IR X
V
3 3 0 k W
C C
1
Z 1
2
O C X 1
5
O C X 2
6
7
2 2 0 W
8
2 2 0 W
9
1 0
Z 2
R
IR _ O N
M
R F _ O U T
L
R F _ E N
3
4
3 V
B 4
O S C 2
B 5
O S C 1
V S S
V D D
N C
R E S
X 1
Y 2
X 2
Y 1
2 0
1 9
1 5 p F
6 M H z
1 6
1 5
N O
A N T
3 V
1 A N T
2 V C C
3 P /E
4 G N D
5 V C C
6 D A T A
7 G N D
1 8
1 7
C P
1 0 0 W
*
1 0 W
1 4
1 3
1 2
1 1
1 m F
1 0 0 k W
0 .1 m F
H T 8 2 M 9 3 8 T
3 3 0 k W
Note:
* 10W is placed if HT7627 is used to reset HT82M938T
Rev. 1.30
5
October 29, 2002
HT82M938T/HT82M938R
Receiver application (This application circuit is for reference only)
V
0 .1 m F
C C
3 .3 k W
IN 4 1 4 8
V
3 .3 k W
1
N C
1
2
2
3
5
4
IN 4 1 4 8
5
6
R E C _ C H
N C
O S C 2
N C
O S C 1
8
C L K
R F -IN
1
2
1 3
T A C T /S W 1
3 3 p F
1 2
6 M H z
3 3 p F
V
1 1
V D D
R E S E T
C P
1 4
N C
N C
C C
4 7 0 W
1 5
L E D
V S S
7
1 6
N C
D A T A
3
4
A N T
4 7 m F /6 .3 V
1 m H
3
4
5
6
C C
1 0
7
1 0 0 k W
9
E N A B L E
A N T
G N D
N C
D A T A
G N D
V C C
0 .1 m F
0 .1 m F
H T 8 2 M 9 3 8 R
RF transmitter modules
0 .1 m F
1 0 k W
4 7 0 W
2 7 .1 9 5 M H z
2 S C 3 3 5 6
A N T
V C C
P /E
G N D
V C C
D A T A
G N D
1
2 0 p F
2
3 3 p F
3
5
4
7
6
1 0 0 k W
1 0 0 p F
4 7 0 W
7 5 p F
0 .0 0 1 m F
1 0 0 k W
4 7 k W
Rev. 1.30
2 .2 m H
2 S C 3 3 5 6
6
2 S C 3 3 5 6
October 29, 2002
HT82M938T/HT82M938R
RF receiver modules
V
C C
0 .0 1 m F
2 2 k W
V
2 7 .6 5 M H z
1
1 5 p F
V
2
3
1 5 p F
C C
4
1 m F /1 6 V
4 5 5 E
3
4
5
1
5
2
0 .1 m F
6
1 m F
7
4 5 5 k H z /C 2 8
*
V
9 1 k W
3 .3 k W
C C
3 6 0 k W
**
4 7 p F
8
2 2 p F
O S C I
M IX I
O S C O
G N D
M IX O
R E G O
V C C
R E G C
IF IN
A L M
D E C
F S K O
F S K R
C H G
IF O
9
1 0
B S
Q U A D
A F O
L P F I
H T 9 0 1 1 /H T 9 1 4 2
6 8 k W
Note:
L P F O
2 0
C C
2 2 p F
1
1 9
2
8 2 p F
1 8
3
4
1 7
5
6
1 6
7
1 5
1 0 0 k W
1 4
1 0 0 k W
1 3
1 0 0 k W
0 .0 1 m F
4 7 0 p F
1 2
1 1
2
E N A B L E
A N T
G N D
N C
D A T A
G N D
V C C
7 M R X /M
6 8 k W
3 3 p F
6 8 k W
1 8 0 p F
For HT9011: place *, **open
For HT9142: place**, *open
Rev. 1.30
7
October 29, 2002
HT82M938T/HT82M938R
Package Information
20-pin SOP (300mil) outline dimensions
1 1
2 0
A
B
1
1 0
C
C '
G
H
D
E
Symbol
Rev. 1.30
a
F
Dimensions in mil
Min.
Nom.
Max.
A
394
¾
419
B
290
¾
300
C
14
¾
20
C¢
490
¾
510
D
92
¾
104
E
¾
50
¾
F
4
¾
¾
G
32
¾
38
H
4
¾
12
a
0°
¾
10°
8
October 29, 2002
HT82M938T/HT82M938R
16-pin SOP (300mil) outline dimensions
1 6
9
A
B
1
8
C
C '
G
H
D
E
Symbol
Rev. 1.30
a
F
Dimensions in mil
Min.
Nom.
Max.
A
394
¾
419
B
290
¾
300
C
14
¾
20
C¢
390
¾
413
D
92
¾
104
E
¾
50
¾
F
4
¾
¾
G
32
¾
38
H
4
¾
12
a
0°
¾
10°
9
October 29, 2002
HT82M938T/HT82M938R
Product Tape and Reel Specifications
Reel dimensions
D
T 2
A
C
B
T 1
SOP 20W
Symbol
Description
Dimensions in mm
A
Reel Outer Diameter
330±1.0
B
Reel Inner Diameter
62±1.5
C
Spindle Hole Diameter
13.0+0.5
-0.2
D
Key Slit Width
2.0±0.5
T1
Space Between Flange
24.8+0.3
-0.2
T2
Reel Thickness
30.2±0.2
SOP 16W (300mil)
Symbol
Description
Dimensions in mm
A
Reel Outer Diameter
330±1.0
B
Reel Inner Diameter
62±1.5
C
Spindle Hole Diameter
13.0±0.5
-0.2
D
Key Slit Width
2.0±0.5
T1
Space Between Flange
16.8+0.3
-0.2
T2
Reel Thickness
22.2±0.2
Rev. 1.30
10
October 29, 2002
HT82M938T/HT82M938R
Carrier tape dimensions
P 0
D
P 1
t
E
F
W
C
D 1
B 0
P
K 0
A 0
SOP 20W
Symbol
W
Description
Dimensions in mm
24.0+0.3
-0.1
Carrier Tape Width
P
Cavity Pitch
12.0±0.1
E
Perforation Position
1.75±0.1
11.5±0.1
F
Cavity to Perforation (Width Direction)
D
Perforation Diameter
1.5+0.1
D1
Cavity Hole Diameter
1.5+0.25
P0
Perforation Pitch
4.0±0.1
P1
Cavity to Perforation (Length Direction)
2.0±0.1
A0
Cavity Length
10.8±0.1
B0
Cavity Width
13.3±0.1
K0
Cavity Depth
3.2±0.1
t
Carrier Tape Thickness
0.3±0.05
C
Cover Tape Width
21.3
SOP 16W (300mil)
Symbol
W
Description
Dimensions in mm
Carrier Tape Width
16.0±0.2
P
Cavity Pitch
12.0±0.1
E
Perforation Position
1.75±0.1
F
Cavity to Perforation (Width Direction)
7.5±0.1
D
Perforation Diameter
1.5+0.1
D1
Cavity Hole Diameter
1.5+0.25
P0
Perforation Pitch
4.0±0.1
P1
Cavity to Perforation (Length Direction)
2.0±0.1
A0
Cavity Length
10.9±0.1
B0
Cavity Width
10.8±0.1
K0
Cavity Depth
3.0±0.1
t
Carrier Tape Thickness
0.3±0.05
C
Cover Tape Width
Rev. 1.30
13.3
11
October 29, 2002
HT82M938T/HT82M938R
Holtek Semiconductor Inc. (Headquarters)
No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan
Tel: 886-3-563-1999
Fax: 886-3-563-1189
http://www.holtek.com.tw
Holtek Semiconductor Inc. (Taipei Sales Office)
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7373
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7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233
Tel: 021-6485-5560
Fax: 021-6485-0313
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43F, SEG Plaza, Shen Nan Zhong Road, Shenzhen, China 518031
Tel: 0755-8346-5589
Fax: 0755-8346-5590
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Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031
Tel: 010-6641-0030, 6641-7751, 6641-7752
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46712 Fremont Blvd., Fremont, CA 94538
Tel: 510-252-9880
Fax: 510-252-9885
http://www.holmate.com
Copyright Ó 2002 by HOLTEK SEMICONDUCTOR INC.
The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used
solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable
without further modification, nor recommends the use of its products for application that may present a risk to human life
due to malfunction or otherwise. Holtek¢s products are not authorized for use as critical components in life support devices
or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information,
please visit our web site at http://www.holtek.com.tw.
Rev. 1.30
12
October 29, 2002