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參數(shù)資料
| 型號(hào)： | EM83812CP |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | ALL-INONE PLUG & PLAY SCRLLING SERIAL MOUSE CONTROLLER |
| 中文描述： | 全I(xiàn)nOne的插頭 |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大?。?/td> | 84K |
| 代理商： | EM83812CP |
EM83812
ALL-INONE PLUG & PLAY SCRLLING SERIAL MOUSE CONTROLLER
FUNCTIONAL BLOCK DIAGRAM
2
* This specification are subject to be changed without notice.
9.3.1999
Preliminary
PIN DESCRIPTIONS
OPT
I/O
INPUT: 200kohm pull low to VSS.
When OPT is connected to VDD, EM84520 will enter test mode. In test mode,
L will be the output of X1,while M will be the output of X2. Toggling R key can
change these output to be Y1,Y2 or Z1,Z2 respectively.
OUTPUT: 2kHz Z-axis LED driving source with A/D/E/F version.
"1"= VDD, "0"= floating
High duty is about 60us.
The RC oscillation clock output. Or 3mA sink current output for X, Y photo
emitters.
Connect 50k
±
1% precise resistor for oscillation.
±
12V signal with 10mA driving. Used as PnP ID code output trigger signal
from 10w (-12V) to high (+12V) while under normal operating. RTS will keep on
±
12V driving.
One report contains 4 data bytes, 7 data bits without parity in the data byte.
The data byte is sgifted out from LSB through MSB, started by start bit and ended
by stop bit. The RXD signal swing between +6V and -6V.
Three key-switches inputs. 200k
resistor pull low.
In Z-axis key mode, M key toggling can change the scrolling speed from low to
high.
Three step dynamic input impedance. If OSC.OUT is not connected to LEDs, the
dynamic input impedance will be off.
Use current comparator to measure photo-couples "ON", or "OFF".
OSC.OUT
O
OSCR
RTS
I
I/O
RXD
I/O
R
M
L
X1
X2
Y1
Y2
Z1
Z2
I
I/O
I/O
I
I
I
I
I
I
Z-axis input.
Photo mode : Three steps dynamic input impedance. Current comparator input.
Key mode : 200 k
resistor pull low. 7 levels increased by "M" key.
Voltage mode : 200 k
resistor pull low. 7 levels voltage comparator.
Mechanical mode : 13.2k
resistor pull low. Current comparator input.
Negative power.
Power line.
VSS
VDD
Symbol
I/O
Function
Z1
Z2
OPT
X1
X2
Y1
Y2
L
M
R
OSCR
OSC.OUT
C
O
M
P
A
R
A
T
O
R
M
O
T
I
O
N
D
E
T
E
C
T
O
R
D
E
B
O
U
N
C
E
COUNTER
COMMAND
STATUS
SYSTEM CLOCK
GENERATOR
RC
OSCILLATION
MULTIPLEXER
DATA
I/O
TIMING
CONTROLLER
COMPARATORSENSOR
KEY-SWITCH
DETECTOR
Z-AXIS COUNTER
THREE TYPES SELECTOR
RXD
RTS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM83812DP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:ALL-INONE PLUG & PLAY SCRLLING SERIAL MOUSE CONTROLLER |
| EM83812EP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:ALL-INONE PLUG & PLAY SCRLLING SERIAL MOUSE CONTROLLER |
| EM83812FP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:ALL-INONE PLUG & PLAY SCRLLING SERIAL MOUSE CONTROLLER |
| EM83P110A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:RF KEYBOARD ENCODER |
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