ES235 Datasheet, PDF (4/37 Pages) Cyrustek corporation – 4000 Counts DMM / Peak

ES235
4000 Counts DMM / Peak
Pin Description ( Continued )
Pin No
Symbol
Type
Description
37
mVin
I Measurement input in 400.0mV mode.
38
LPFout
O Capacitor C1 connection for internal low-pass filter.
39
LPC1
O Capacitor C1 connection for internal low-pass filter.
40
LPC2
O Capacitor C2 connection for internal low-pass filter.
41
LPC3
O Capacitor C3 connection for internal low-pass filter.
42
CAN
I / O Negative auto-zero capacitor connection for capacitor measurement.
43
CAP
I / O Positive auto-zero capacitor connection for capacitor measurement.
44
R10K
O Connect to a precised 10KΩ resister for capacitor measurement.
45
R1K
O Connect to a precised 1KΩ resister for capacitor measurement.
46
OVX
I Sense input for resistance / capacitance measurement.
47
OVH
O Output connection for resistance measurement.
48
OVH1
O Output connection for resistance measurement. (Optional)
49
SLEEP
O Sleep mode indicator, asserts low in SLEEP mode.
50
FREQ
I Frequency counter input, offset V-/2 internally by the chip.
51
CALENP
I Pulled to V- to enable the calibration scheme.
52
SDAP
I / O Input / Output from to EEPROM 24LC02 data.
53
SCLP
O Output to EEPROM 24LC02 clock.
54
BZOUT
O Outputs a 2KHz audio frequency signal for driving piezoelectric buzzer
55
BKOUT
O
If BKLIT function is enabled, this pin will change from V- to V+. Once press
BKLIT pin again within 300 sec, this pin will change back to V-.
56
57
58
59
60
61
62 - 90
91
92
93
94
ALARM1
ALARM
BP4
BP3
BP2
BP1
SEG29 - SEG01
CESEL*
SEL2*
SEL1*
DIS*
95
TSEL*
96
VST*
97
APOSEL
98
VBAR
O Short circuit indication output.
O HV signal detection in Voltage mode and EF mode indication output.
O LCD backplane 4.
O LCD backplane 3.
O LCD backplane 2.
O LCD backplane 1.
O LCD segment line 01 – 29.
I Voltage OL selection feature control pin. (1010V/610V)
I Diode OL level and HV indication selection pin.
I Set current mode OL level selection pin. (DMM or Clamp mode)
I Control warning buzzer output at LPF and HV mode
Temperature mode controls the automatic mode or manual mode and enable or
I
disable input terminal symbol displayed on the LCD panel selection pin.
Enable the auto range voltage mode to start from 400.0V or disable ADP input
I
terminal symbol displayed on the LCD panel selection pin.
I Idle time selection for auto power off feature.
In µA or mA modes, it is used to control the ‘µ’ or ‘m’ sign.
I
Set to V- to enable clamp current mode.
V 2.2
4
2015/12/15