UPD7225GB-3B7 Просмотр технического описания (PDF) - NEC => Renesas Technology

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производитель

UPD7225GB-3B7

PROGRAMMABLE LCD CONTROLLER/DRIVER

NEC => Renesas Technology 

µPD7225

7

3

0

0

76

0

1

Decode data

Specifies 7-segment

decoder

Decode data

Specifies 14-segment

decoder

When displaying the output of the segment decoder (display data) on the LCD, use an LCD configured as shown

in Figure 2-1 or Figure 2-2.

If another type of LCD is used, the displayed pattern will be different.

Figure 2-1. 7-Segment Type LCD

When configuring the LCD for divide-by-3 time division mode, connect as follows:

SEGn + 1

COM0

,,, ,,,,,,,,,,,,,,, SEGn+2

SEGn

COM1

COM2

a

f

b

g

e

c

d

DP

SEGn

SEGn +1

SEGn + 2

COM0

COM1

COM2

: b, c, DP

: a, d, g

: e, f

: a, b, f

: c, e, g

: d, DP

Data Sheet S14308EJ6V0DS00

9

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