ICM7211ALM44 INTERSIL [Intersil Corporation], ICM7211ALM44 Datasheet - Page 12

• Manufacturer Part Number: ICM7211ALM44
• Description: 4-Digit, ICM7211 (LCD) and ICM7212 (LED) Display Drivers
• Manufacturer: INTERSIL [Intersil Corporation]

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Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate
and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which
may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
INPUT
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
NC
ALE
+5V
V
2 XTAL1
3 XTAL2
4 RESET
7 EA
5 SS
1 TO
39 T1
6 INT
11
40
CC
PSEN
V
26
DD
9
COMPUTER
80C48
PROG
25
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
V
20
SS
WR
10
DB7
DB0 12
P10 27
P17 34
P20 21
P27 38
(Continued)
RD
28
29
30
31
32
33
22
23
24
35
36
37
13
14
15
16
17
18
19
8
FIGURE 13. 80C48 MICROPROCESSOR INTERFACE
I/O
+5V
HIGH ORDER DIGITS
I/O
ICM7211M
1 V
35 V
36 OSC
ICM7211, ICM7212
DD
SS
27 28 29 30
SEGMENTS
B0-B3
DATA
9-17
2, 3, 4
DS1 DS2 CS1
37-40
31
6-26
32
33
BP 5
CS2
34
LCD DISPLAY
8 DIGIT
BP 5
27
B0-B3
DATA
28
29
30
2, 3, 4
37-40
6-26
DS1 DS2 CS1
31
LOW ORDER DIGITS
SEGMENTS
32
ICM7211M
33
CS2
34
36 OSC
35 V
1 V
DD
SS
+5V