NJU9214FG1 New Japan Radio Co., Ltd., NJU9214FG1 Datasheet - Page 4

• Manufacturer Part Number: NJU9214FG1
• Description: 4 3/4 DIGIT Single Chip Digital Multimeter LSI
• Manufacturer: New Japan Radio Co., Ltd.

NJU9214
28 to 30
31 to 34
35 to 62
79 to 81
74, 75
77, 78
82, 83
84, 85
86, 87
100
No.
26
27
63
64
65
66
67
68
69
70
71
72
73
76
88
89
90
91
92
93
94
95
96
97
98
99
SGND2, SGND1
SEG1 to SEG28
COM1 to COM4
INT1, INT2
CIF2, CIF1
CL2, CH2
CH1, CL1
SYMBOL
T1 to T3
SLEEP
VREF3
AGND
VDSP
VSSD
VSSA
to VREF1
IVSH
PON
DSR
DTR
IVSL
OVX
OVH
RST
TXD
BUF
ADP
XT2
XT1
BLD
VR7
VR6
VR5
VR4
VR3
VR2
BZ
VI
Out
Out
Out
Out
Out
Out
Out
Out
Out
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
In
In
In
In
In
In
In
In
In
In
In
In
In
-
-
-
Auto Power-off Mode Release Terminal with Input Pull-up Resistance
( 300k
System Reset Terminal with Input Pull-up Resistance ( 10k
Test Terminal with Input Pull-up Resistance ( 300k
LCD Common Terminal
LCD Segment Terminal
RS232C Data Set Ready Terminal
RS232C Data-Terminal Terminal
RS232C Data Output Terminal
Piezo Buzzer Driving Terminal
Crystal oscillation Inverter ( Output )
Crystal oscillation Inverter ( Input )
LCD driving voltage I/O Terminal
Connected to VSSD
Digital VSS
Auto Power-off signal Terminal ( Power-off : " H " Level )
Analog VSS
Buttery Life Detector Terminal, Detection: BLD < about 4.0V
High-speed integration capacitor connecting Terminal
High-speed integrator buffer output Terminal
High-speed integrator reference capacitor connecting Terminal
VREF1 : High-accurate integrator reference voltage input Terminal
VREF2 : High-speed integrator reference voltage input Terminal
VREF3 : Capacitance measurement integrator reference voltage
High-accurate integrator Reference capacitor connecting Terminal
CL1 ; " – " , CH1 ; " + "
High-accurate integrator capacitor connecting Terminal
Analog sensing Terminal
Analog GND Terminal
Current measurement ( A ) sensing Terminal
Current measurement ( mA ) sensing Terminal
Adapter input Terminal
Sensing Terminal ( Resistance, Continuity, Capacitance )
Voltage supply Terminal (Resistance, Continuity, Diode, Capacitance)
Bleeder Resistance Terminal for 4V, 40V range
Bleeder Resistance Terminal for 400 range
Bleeder Resistance Terminal for 4000V, 4k
Bleeder Resistance Terminal for 400V, 40k
Bleeder Resistance Terminal for 40V, 400k
Bleeder Resistance Terminal for 4V, 4000k
Voltage input Terminal for 400mV range
)
input Terminal
VSSA = –5.0V
VSSD=0.0V
Opened : VDSP=(VDDD-VSSD) X 3/5
: VDSP=(VDDD-VSSD)
FUNCTION
range
range
range
range
)
)