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HT6523 PDF预览

HT6523

更新时间: 2024-11-01 22:48:27
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK 控制器
页数 文件大小 规格书
9页 124K
描述
PS/2 Mouse Controller

HT6523 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.85
JESD-30 代码:R-PDIP-T16JESD-609代码:e0
端子数量:16最高工作温度:70 °C
最低工作温度:-25 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:5 V认证状态:Not Qualified
子类别:Other Microprocessor ICs最大压摆率:5 mA
标称供电电压:5 V表面贴装:NO
温度等级:OTHER端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALuPs/uCs/外围集成电路类型:MICROPROCESSOR CIRCUIT

HT6523 数据手册

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HT6523  
PS/2 Mouse Controller  
Features  
·
·
Compatible with IBM PS/2 mouse  
Three key-switches and four photo-coupler inputs  
Supports test mode operation  
·
·
·
Integrated oscillator circuit with external resistor  
·
6MHz clock frequency  
16-pin DIP package  
·
Minimal external components  
General Description  
The HT6523 is a PS/2 compatible mouse controller IC.  
Capable of driving up to 3 key-switches and 4  
photo-couplers directly into a 6-pin connector line.  
Pin Assignment  
N
C
1
2
3
4
5
6
7
8
1
1
1
1
1
1
1
6
5
4
3
2
1
0
9
V
D
D
T
E
S
S
E
T
Y
Y
X
X
L
M
R
2
1
2
1
R
E
T
O
S
C
N
C
C
A
L
K
A
B
D
T
B
V
S
S
B
H
T
6
5
2
3
1
6
D
I
P
-
A
Pin Description  
Pin No.  
Pin Name  
I/O  
Description  
1, 5  
NC  
No connection  
¾
If TEST is floating or connected to VSS, then the chip is under normal opera-  
tion. If TEST is connected to VDD, it will operate under the TEST mode.  
2
3
4
TEST  
RESET  
OSC  
I
I
I
Input to reset internal LSI  
OSC is connected to an external resistor then to VDD to generate a 6MHz sys-  
tem clock.  
Synchronous clock signal. The mouse generates a clock signal when sending  
data to and receiving data from the system.  
6
CLK  
I/O  
7
8
DATA  
VSS  
I/O Bidirectional data transmission line  
Negative power supply, ground  
¾
In the non-active state these 3 switch inputs are pulled low. To activate they  
must be connected to VDD.  
9
RB  
MB  
LB  
10  
11  
I
In the TEST mode, MB, LB will indicate the condition of the X1, X2 inputs, if RB  
is left floating or connected to VSS. Also in the TEST mode, if RB is connected  
to VDD then MB and LB will indicate the condition of the Y1 and Y2 inputs.  
12  
13  
14  
15  
X1  
X2  
Y1  
Y2  
Mouse interface input terminal. Four photo-coupler signals denote UP, DOWN,  
LEFT and RIGHT state.  
I
16  
VDD  
Positive power supply  
¾
Rev. 1.20  
1
March 6, 2003  

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