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參數資料
| 型號： | BU9206 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | PS / 2 Mouse Controller |
| 中文描述： | PS / 2鼠標控制器 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 62K |
| 代理商： | BU9206 |
1
Multimedia ICs
PS / 2 Mouse Controller
BU9206
The BU9206 is a PS / 2 mouse communication controller for PCs. This processor shapes waveforms and counts sig-
nals from the mouse rotary encoder as the mouse is moved, to provide two-way communication between mouse and
PC system.
Applications
PC mouse
Features
1) For PS / 2 mouse.
2) Compatible with a wide range of input signals, be-
cause it automatically sets the input threshold levels
for the X and Y direction, corresponding to the out-
put level of the rotary encoder inside the mouse.
3) CMOS process enables low current consumption.
Absolute maximum ratings (Ta = 25°C)
Parameter
V
DD
Pd
Topr
Tstg
– 0.3 ~ + 7.0
1000
– 25 ~ + 75
– 55 ~ + 125
V
Symbol
Limits
Unit
mW
°
C
°
C
V
IN
– 0.3 ~ V
DD
+ 0.3
V
V
OUT
– 0.3 ~ V
DD
+ 0.3
V
Reduced by 10 mW for each increase in Ta of 1
°
C over 25
°
C.
Recommended operating conditions (Ta = 25°C)
Parameter
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
Input voltage
Output voltage
V
DD
4.5
5.0
5.5
V
V
DD
V
IH2
0.4
V
DD
—
V
DD
V
SCLK, SDATA
V
IL2
0
—
0.16
V
DD
0.8
V
DD
0.48
V
AUP
V
SCLK, SDATA
V
AUP
0.3
V
DD
0
—
V
XA, XB, YA, YB
V
ALP
—
V
XA, XB, YA, YB
SWR, SWL, TEST2B, TEST1B,
TEST0, RESETB
V
IH1
0.8
V
DD
—
V
DD
V
SWR, SWL, TEST2B, TEST1B,
TEST0, RESETB
V
IL1
0
—
0.2
V
DD
V
Symbol
Min.
Typ.
Max.
Unit
Application pin
Power supply voltage
H input voltage 1
H input voltage 2
L input voltage 1
L input voltage 2
XY input H voltage
XY input L voltage
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