ICM7218 查看數據表（PDF） - Renesas Electronics
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ICM7218 Datasheet PDF : 14 Pages
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ICM7218
Pin Configurations (Continued)
ICM7218C (28 LD CERDIP)
TOP VIEW
SEG c 1
SEG e 2
SEG b 3
D.P. 4
DA0 (DIGIT ADDRESS 0) 5
DA1 (DIGIT ADDRESS 1) 6
ID7 (INPUT D.P.) 7
WRITE 8
HEXA/CODE B/SHUTDOWN 9
DA2 (DIGIT ADDRESS 2) 10
ID1 11
ID0 12
ID2 13
ID3 14
28 VSS
27 SEG a
26 SEG g
25 SEG d
24 SEG f
23 DIGIT 3
22 DIGIT 6
21 DIGIT 7
20 DIGIT 4
19 VDD
18 DIGIT 8
17 DIGIT 5
16 DIGIT 2
15 DIGIT 1
ICM7218D (28 LD CERDIP)
TOP VIEW
DIGIT 4 1
DIGIT 6 2
DIGIT 3 3
DIGIT 1 4
DA0 (DIGIT ADDRESS 0) 5
DA1 (DIGIT ADDRESS 1) 6
ID7 (INPUT D.P.) 7
WRITE 8
HEXA/CODE B/SHUTDOWN 9
DA2 (DIGIT ADDRESS 2) 10
ID1 11
ID0 12
ID2 13
ID3 14
28 VSS
27 DIGIT 7
26 DIGIT 5
25 DIGIT 2
24 DIGIT 8
23 Seg g
22 Seg f
21 Seg e
20 Seg c
19 VDD
18 Seg d
17 Seg b
16 Seg a
15 D.P.
Pin Descriptions
INPUT
ICM7218A AND ICM7218B
WRITE
TERMINAL
ICM7218A
8
ICM7218B
8
MODE
9
9
ID4 (SHUTDOWN)
MODE High
10
10
ID5 (DECODE)
6
6
ID6 (HEXA/CODE B)
5
5
ID7 (DATA COMING)
7
7
ID0-ID7
MODE Low 12, 11, 13, 14, 10, 6, 12, 11, 13, 14, 10, 6,
5, 7
5, 7
DIGIT1 - DIGIT8
15, 16, 23, 20, 17, 4, 25, 3, 1, 26, 2, 27,
22, 21, 18
24
SEG a, SEG b,
SEG c, SEG d, SEG e,
SEG f, SEG g, D.P. (Digit Point)
27, 3, 1, 25, 2, 24, 16, 17, 20, 18, 21,
26, 4
22, 23, 15
VDD
19
19
VSS
28
28
ICM7218C AND ICM7218D
ICM7218C
ICM7218D
WRITE
8
8
LOGIC LEVEL
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
FUNCTION
Input Not Loaded
Input Loaded
Load Control Bits on Write Pulse
Load Input Data on Write Pulse
Normal Operation
Shutdown (Oscillator, Decoder and Display
Disabled)
No Decode
Decode
Hexadecimal Decoding
Code B Decoding
} Data Coming
No Data Coming Control Word
Display Data Inputs (Notes 2, 3)
Digit Driver Outputs for COM pin of 7 Segment
Segment Driver Outputs for individual LED pins of
7 Segment
Power Supply +5V
Supply Ground
Input Not Loaded into Memory
Input Loaded into Memory
FN3159 Rev 4.00
May 17, 2016
Page 3 of 14
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