參數(shù)資料
型號: QT60161B
廠商: Electronic Theatre Controls, Inc.
英文描述: 16 KEY QMATRIX KEYPANEL SENSOR IC
中文描述: 16個主要QMATRIX KEYPANEL傳感器IC
文件頁數(shù): 34/36頁
文件大小: 683K
代理商: QT60161B
8 Index
A
adc, 8
adjacent key suppression, 6, 7, 12, 24, 28, 32
alert output
led, 10, 11
application assistance, 4
B
block diagram, 5
boundary limits, 19, 23, 29
burst length, 4, 7, 8, 9, 17, 21, 28, 30
burst spacing, 8, 9, 14, 22, 28, 30, 32
burst timing, 15, 30
C
calibration
recalibration, 5, 6, 7, 9, 10, 17, 19, 21, 23, 24, 29
circuit model, 7
cs, 5, 8, 9
D
delta signals, 19, 27
detection integrator, 5, 6, 8, 18
direction commands, 17
drdy’, 12
drift compensation, 5, 6, 11, 17, 21, 22, 23
dwell, 7, 9
E
echo, 12, 13, 15, 21, 24
eeprom checksum, 18, 24
electrostatic shield, 11
emi, 11, 23
rfi, 8, 9, 21
error code, 4, 11, 16, 17, 19, 20, 21, 23
error guardbanding, 23
esd protection, 8, 9, 11
F
field flow, 4, 8
function summary table, 27
G
get command, 17
ground plane, 11
H
hysteresis, 5, 21, 22
I
intra-burst pulse spacing, 9, 23
K
key design, 4
key numbering convention, 18
key reporting, 20
L
led
alert output, 10, 11
lock reference levels, 6, 14, 23, 24
M
master mode, 12, 13
master-slave mode, 4, 12, 13
miso, 12, 13
mosi, 9, 12, 13
N
negative detect integrator, 22
negative detect threshold, 21
negative drift compensation, 22
negative hysteresis, 5
negative recalibration delay, 6, 23
negative reference error band, 23
negative threshold, 5, 7, 8, 21, 22, 23
noise, 11, 12
noise filter, 22.
see also
emi
O
oscillator, 7, 9, 10, 12, 14, 25
oscilloscope sync, 11, 26
P
pcb layout, 4, 11
positive detect threshold, 21
positive recalibration delay, 6, 7, 23
positive reference error band, 23
positive threshold, 5, 6, 7, 21, 23
power supply, 11
pulse spacing, 9, 23
put command, 17
Q
qmbtn, 4, 10, 11
R
recalibrate keys (command), 24
recalibration
calibration, 5, 6, 7, 9, 10, 17, 19, 21, 23, 24, 29
reset, 7, 9, 10, 11, 17, 25, 26
resonator, 7, 9.
see also
oscillator
return last command, 25
Quantum Research Group Ltd.
lQ
34
www.qprox.com QT60161B / R1.03
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