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ES51999 Datasheet(PDF) 6 Page - Cyrustek corporation

Part No. ES51999
Description  4 3/4 and 5 3/4 A/D AUTO
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Maker  CYRUSTEK [Cyrustek corporation]
Homepage  http://www.cyrustek.com.tw
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ES51999 Datasheet(HTML) 6 Page - Cyrustek corporation

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07/07/06
6
ES51999
4 3/4 and 5 3/4 A/D AUTO
3. The detail timing between SCLK and STATUS is as follow:
Serial Data Format (STATUS):
F0
F1
F2
Q0
Q1
Q2
C0
C1
01234567
C2
AC
ZERO
PEAK
PHCAL
X10
SLEEP
8
9
10
11
12
13
14
(All defaults are ‘0’)
F0, F1, F2 measurement selection.
F0
F1
F2
Measurement
000
Voltage2
0
0
1
Voltage with frequency3
010
Current2
0
1
1
Current with frequency3
1
0
0
Resistance
101
Diode
1
1
0
Frequency and duty cycle1
1 In Frequency and duty cycle measurement, ES51999 measures both the
frequency and duty cycle of the input signal FREQ (pin 45) simultaneously.
2 In Voltage/Current measurement, only voltage/current is measured.
3 In Voltage/Current with frequency measurement, the frequency of FREQ is
also measured in addition to voltage/current. Detailed descriptions of these
measurement modes, please see the following sections.
Q0, Q1, Q2 range selection.
Q0 Q1 Q2
V1
A1
1
F2 3
0
0
0
440mV
IVSH (pin 9)4
420
40Hz
0
0
1
4.4V
IVSL (pin 10) 4
4.2K
400Hz
01
0
44V
42K
4KHz
0
1
1
440V
420K
40KHz
1
0
0
4400V
4.2M
400KHz
10
1
42M
4MHz
1
1
0
40MHz
11
1
400MHz
1When oscillator is 4MHz, voltage/current can be counted up to 44,000, and resistance
can be counted up to 42,000.
When oscillator is 10MHz, voltage/current can be counted up to 440,000, and resistance
can be counted to 420,000.
(32 ~ 512)T with 30 ~ 70% duty cycle
(VCC)
(V-)
STATUS
S
1
(VCC)
(V-)
SCLK
S
0
S
n-1
S
n
S
14


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