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EKM8050 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EKM8050
기능 USB & PS/2 Optical Mouse Controller
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EKM8050 데이터시트, 핀배열, 회로
Preliminary
eKM8050
USB & PS/2 Optical Mouse Controller
1. General Description
The eKM8050 is a Mouse Controller designed to control both USB & PS/2 Optical Mouse device.
This Mouse Controller can auto detect USB or PS/2 mode, and supports X,Y,Z three axes , and
L, R, M three buttons under both USB and PS2 mode.
2. Features
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Universal Serial Bus Specification, version 1.1
USB HID Specification, version 1.1
Auto-detecting PS/2 port or USB port.
Compatible with Microsoft 3D PS/2 mouse.
Support 3D (X,Y,Z) 3 Key (L,R,M) input.
Support Z/2 mechanical, Z/2 Photo, and Z/4 Photo(eKM8050B) Z-axis input type.
Support Agilent HDNS-2051 & 2610 & 2620 Optical Mouse Sensor.
Applications
3D, 3 Buttons USB and PS/2 Combo Mouse.
3. Pin assignment
CPIS 1
L KEY 2
R KEY 3
M KEY 4
SCLK 5
VSS 6
VSS 7
V3.3 8
OSCI 9
18 Z1
17 Z2
16 IR_C
15 PD
14 SDIO
13 D+/CLK
12 D-/Data
11 VDD
10 OSCO
eKM8050A (18-Pin)
1 2003/7/1




EKM8050 pdf, 반도체, 판매, 대치품
Preliminary
eKM8050
USB & PS/2 Optical Mouse Controller
Microsoft PS/2 scrolling mouse
(A) Entering procedure: Except in WRAP mode, while eKM8050 received the following consecutive
command.
i. F3 C8 ---- set sampling rate 200/sec
ii. F3 64 ---- set sampling rate 100/sec
iii. F3 50 ---- set sampling rate 80/sec
(B) Operating:
a. All of the commands in legacy mode still be valid.
b. The ID code of read device type command (F2) will changed from "00" to be "03".
c. Data report will be four bytes format:
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Byte Bit
10
1
2
3
4
5
6
7
2 0-7
3 0-7
4 0-7
Description
Left button status; 1 = pressed
Right buton status; 1 = pressed
Middle button status; 1 = pressed
Reserve
X data sign; 1 = negative
Y data sign; 1 = negative
X data overflow; 1 = overflow
Y data overflow; 1 = overflow
X data (D0-D7)
Y data (D0-D7)
Z data (D0-D7)
(C) Exiting Microsoft scrolling mode:
There are two ways to exit:
a. Power off.
b. Reset command (FF).
Z-axis Input Function : The Z0-Z7 limit value is ±7
Z-axis counter accumulates the Z1, Z2 phase changed by movement. This mode includes noise
immunity.
Z/2 : 2 dot per count. The wheel should stay at Z1=0, Z2=0 or Z1=1, Z2=1 Phase
Z/4 : 4 dots per count. the wheel should stay at Z1=0, Z2=0 phase.
4 2003/7/1

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EKM8050 전자부품, 판매, 대치품
Preliminary
eKM8050
USB & PS/2 Optical Mouse Controller
7. Application circuit
eKM8050 for ADNS-2051
VDD
D+/CLK
D-/DATA
VSS
PORT
0.1uF
VDD
10uF
+
10
4.7uF
11 VDD
13 D+/CLK
12 D-/DATA
7 VSS
6 Z_SEL
8 V3.3
1 2 18 Z1
12
Z-AXIS
17 Z2
16 IR_Control
eKM8050_B
V3.3
CPIS
L
R
M
100K
11
2
3
4
2
SCLK
SDIO
PD
5
14
15
OSCO 10
OSCI
6M
9
20P
20P
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VDD
ADNS-2051
13 VDD
1 SCLK
16 SDIO
15 PD
2 XA
3 XB
4 YB
5 YA
14 R_BIN
R1
4.7uF +
0.1uF
OSC_OUT
OSC_IN
XY_LED
REFA
REFB
GND
GND
11
18M
9
HLMP-ED80
6
7
+
2.2uF
8
0.1uF
10
12
VDD
D+/CLK
D-/DATA
VSS
PORT
0.1uF
VDD
10uF
+
10
4.7uF
11 VDD
13 D+/CLK
12 D-/DATA
7 VSS
6 Z_SEL
8 V3.3
1 2 18 Z1
12
Z-AXIS
17 Z2
16 IR_Control
eKM8050_B
V3.3
CPIS
L
R
M
100K
11
2
3
4
2
SCLK
SDIO
PD
5
14
15
OSCO 10
OSCI
6M
9
20P
20P
VDD
PNP
3K
300 ZENER 3V
IR_Control
ADNS-2051_5
4.7uF +
0.1uF
13 VDD
1 SCLK
16 SDIO
15 PD
2 XA
3 XB
4 YB
5 YA
14 R_BIN
OSC_OUT
OSC_IN
XY_LED
REFA
REFB
GND
GND
11
18M
9
HLMP-ED80
6
7
+
2.2uF
8
0.1uF
10
12
R1
Guarantee Suspend Current under 500 uA
7 2003/7/1

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