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EKM8025 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EKM8025
기능 USB & PS/2 Mouse Controller
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EKM8025 데이터시트, 핀배열, 회로
eKM8025
USB & PS/2 Mouse Controller
1. General Description
The eKM8025 is an Mouse Controller designed to control both USB & PS/2 Mouse
device with XY Quadrature. This Mouse Controller can auto detect USB or PS/2 mode, and
supports X,Y,Z three axes , and L, R, M, P, N five buttons under both USB and PS2 mode.
2. Features
Universal Serial Bus Specification, version 1.1
USB HID Specification, version 1.11
Auto-detecting PS/2 port or USB port.
Compatible with Microsoft 3D PS/2 mouse.
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Support 3D (X,Y,Z) 5 Key (L,R,M,P,N) input.
Support Z/2 Z-axis input type.
Support Agilent HDNS2000 ADNS2051 OM01 OM02 PixArt
PAN101BOI/BSI Optical Mouse Sensor.
800DPI simulation by firmware(For eKM8025BBP/ eKM8025BCP/
eKM8025BBM/ eKM8025BCM only).
Applications
3D, 3 Buttons USB and PS/2 Combo Mouse.
3D, 5 Buttons USB and PS/2 Combo Mouse.
1 This specification are subject to be changed without notice Revision1.00(2400/2500) 2006/7/11




EKM8025 pdf, 반도체, 판매, 대치품
eKM8025AC/eKM8025BC (20-Pin) for 3D5Key
eKM8025
USB & PS/2 Mouse Controller
4 3 2 1 20191817
M KEY
L KEY
Z1
Z2
R KEY
P KEY/K_OP
VSS
VSS
V3.3
OSCI
1z
2
3
4
5
6
7
8
9
10
20 X1
19 X2
18 Y1
17 Y2
16 IR_C
15 N KEY
14 D+ / CLK
13 D- / DATA
12 VDD
11 OSCO
eKM8025AC/eKM8025BC (20-Pin)
(0,0)
+
5
6
89
16
15
10111213 14
Bounding PAD
Symbol
M
Lwww.DataSheet4U.com
Z1
Z2
R
K_OP
P
VSS
V3.3V
OSCI
OSCO
VDD
D- / DATA
D+ / CLK
N
IR_C
Y2
Y1
X2
X1
I/O
I
I
I
I
I/O
I
I
-
O
I
I/O
-
I/O
I/O
I
O
I
I
I
I
PIN
1
2
Middle Key Input
Left Key Input
Function
3 Z axis Input 1
4 Z axis Input 2
5 Right Key Input
6 This pin should be connected to GND with 1
6 Pre Key Input
7,8 GND
9 3.3V DC voltage output from internal regulator. This pin has to be tied to a 4.7 F capacitor.
10 6MHz ceramic resonator input.
11 Return path for 6-MHz ceramic resonator.
12 5 V Power Input
13 USB D- or PS/2 Data I/O
14 USB D+ or PS/2 CLK I/O
15 Next Key Input
16 IR(Sensor power) Control Pin. 1
17 Y axis Input 2
18 Y axis Input 1
19 X axis Input 2
20 X axis Input 1
4 This specification are subject to be changed without notice Revision1.00(2400/2500) 2006/7/11

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EKM8025 전자부품, 판매, 대치품
www.DataSheet4U.com
eKM8025
USB & PS/2 Mouse Controller
(C) Operating in PS/2 scrolling mode:
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:
3D3Buttons Data Format
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 buttson status; 1 = pressed
Middle button status; 1 = pressed
Reserve to 1
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)
(D) Operating in 3D5K mode:
a. All of the commands in legacy mode still be valid.
b. The ID code of read device type command (F2) will changed from "03" to be "04".
c. Data report will be four bytes format:
3D5Buttons Data Format
Byte Bit
10
1
2
3
4
5
6
7
2 0-7
3 0-7
4 0-3
44
45
4 6,7
Description
Left button status; 1 = pressed
Right button status; 1 = pressed
Middle button status; 1 = pressed
Reserve to 1
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-D3)
P KEY status; 1 = pressed
N KEY status; 1 = pressed
Reserve to 0
(E) Exiting Microsoft scrolling mode & 3D5K 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
7 This specification are subject to be changed without notice Revision1.00(2400/2500) 2006/7/11

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전력 반도체 판매 ( IGBT, TR 모듈, SCR, 다이오드 모듈 )

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