ES51966
4 3/4 and 5 3/4 A/D (Peak &Cap)
3. The detail timing between SCLK and STATUS is as follow:
(32 ~ 512)T
with 30 ~ 70% duty cycle
(VCC)
(V-)
SCLK
STATUS
S
0
S
1
S
n-1
S
n
S
14
(VCC)
(V-)
Serial Data Format (STATUS):
F0
0
F1
1
F2
2
Q0
3
PEAK
11
Q1
4
PHCAL
12
Q2
5
X10
13
C0
6
SLEEP
14
C1
7
C2
AC
ZERO
8
9
10
(All defaults are ‘0’)
F0
0
0
0
0
1
1
1
1
1
F0, F1, F2
measurement selection.
F1
0
0
1
1
0
0
1
1
F2
0
1
0
1
0
1
0
1
Measurement
Voltage
2
Voltage with frequency
3
Current
2
Current with frequency
3
Resistance
Diode
Frequency and duty cycle
1
Capacitance
In Frequency and duty cycle measurement, ES51966 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
Q0
0
0
0
0
1
1
1
1
1
range selection.
Q2
0
1
0
1
0
1
0
1
V
1
440mV
4.4V
44V
440V
4400V
A
1
IVSL (pin15)
4
IVSH (pin 14)
4
Ω
1
420Ω
4.2KΩ
42KΩ
420KΩ
4.2MΩ
42MΩ
F
3
40Hz
400Hz
4KHz
40KHz
400KHz
4MHz
40MHz
400MHz
C
2
4.2nF
42nF
420nF
4200nF
40uF
400uF
4000uF
40000uF
Q1
0
0
1
1
0
0
1
1
When 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 up to 420,000.
2
The ranges from 4.2nF to 4200nF have a maximum counts of 42000. The other ranges
6
06/04/25
CYRUSTEK [ Cyrustek corporation ]
