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參數(shù)資料
| 型號： | ICM7228CIPIZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | 8-Digit, Microprocessor-Compatible, LED Display Decoder Driver |
| 中文描述： | LED DISPLAY DRIVER, PDIP28 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-011AB, DIP-28 |
| 文件頁數(shù)： | 9/18頁 |
| 文件大?。?/td> | 310K |
| 代理商： | ICM7228CIPIZ |
9
ICM7228
8
WRITE
Input
Data Input Will Be Written to Control Register or Display RAM on Rising Edge of WRITE.
9
MODE
Input
Selects Data to Be Loaded to Control Register or Display RAM: High, Loads Control Register;
Low, Loads Display RAM.
10
ID4,
(SHUTDOWN)
Input
When “MODE” Low: Display Data Input, Bit 5.
When “MODE” High: Control Bit, Low Power Mode Select: High, Normal Operation; Low,
Oscillator and Display Disabled.
11
ID1
Input
When “MODE” Low: Display Data Input, Bit 2.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, Bit 2, Single Digit Update
Mode.
12
ID0
Input
When “MODE” Low: Display Data Input, Bit 1.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, LSB, Single Digit Update
Mode.
13
ID2
Input
When “MODE” Low: Display Data Input, Bit 3.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, MSB, Single Digit Update
Mode.
14
ID3
Input
When “MODE” Low: Display Data Input, Bit 4.
When “MODE” High: RAM Bank Select (Decode Modes Only): High, RAM Bank A; Low, RAM
Bank B.
15
DP
Output
LED Display Decimal Point and Segments a, b, and d Drive Lines
16
SEG a
17
SEG b
18
SEG d
19
V
DD
Supply
Device Positive Power Supply Rail.
20
SEG c
Output
LED Display Segments c, e, f and g Drive Lines.
21
SEG e
22
SEG f
23
SEG g
24
DIGIT 8
Output
LED Display Digits 8, 2, 5 and 7 Drive Lines.
25
DIGIT 2
26
DIGIT 5
27
DIGIT 7
28
V
SS
Supply
Device Ground or Negative Power Supply Rail.
TABLE 3. ICM7228C PIN ASSIGNMENTS AND DESCRIPTIONS
PIN NO.
NAME
FUNCTION
DESCRIPTION
1
SEG c
Output
LED Display Segments c, e, band Decimal Point Drive Lines.
2
SEG e
3
SEG b
4
DP
5
DA0
Input
Digit Address Input, Bit 1 LSB.
6
DA1
Input
Digit Address Input, Bit 2.
7
ID7,
(INPUT DP)
Input
Display Decimal Point Data Input, Negative True.
8
WRITE
Input
Data Input Will Be Written to Display RAM on Rising Edge of WRITE.
TABLE 2. ICM7228B PIN ASSIGNMENTS AND DESCRIPTIONS (Continued)
PIN NO.
NAME
FUNCTION
DESCRIPTION
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