ICM7245_14 Datasheet, PDF (10/13 Pages) Intersil Corporation – 8-Character, 16-Segment, Microprocessor Compatible,LED Display Decoder Driver

Typical Applications (Continued)
8 CHARACTERS
ICM7245
8 CHARACTERS
8 CHARACTERS
8 CHARACTERS
P22
P21
80C35
P20
80C48
DB7
DB6
DB5 - DB0
WR
ICM7245
CS A2 A1 A0 D0 - D5 WR
ICM7245
CS A2 A1 A0 D0 - D5 WR
ICM7245
CS A2 A1 A0 D0 - D5 WR
ICM7245
CS A2 A1 A0 D0 - D5 WR
6 BIT BUS
FIGURE 8. RANDOM ACCESS 32-CHARACTER DISPLAY IN A 80C48 SYSTEM
Display Font and Segment Assignments
a1
a2
f hi j b
g1
g2
eml k c
d2
d1
DP
00
01
D5, D4 1 0
11
D3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
D2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
D1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
D0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
FIGURE 9. 16-SEGMENT CHARACTER FONT WITH DECIMAL POINT
10
FN8587.0
October 29, 2013