D7225G NEC, D7225G Datasheet
D7225G
Manufacturer Part Number
D7225G
Description
Search -----> UPD7225G
Manufacturer
NEC
Datasheet
1.D7225G.pdf
(52 pages)
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Document No. S14308EJ6V0DS00 (6th edition)
Date Published June 1999 N CP (K)
Printed in Japan
(O.D. No. IC-1555)
serially interfaced with the CPU in a microcomputer and can directly drive 2, 3, or 4-time division LCD. The PD7225
contains a segment decoder which can generate specific segment patterns. In addition, the PD7225 can be used to
control on/off (blinking) operation of a display.
FEATURES
• Can directly drive LCD
• Programmable time-division multiplexing
• Number of digits displayed
• Bias method
• Segment decoder output
• Blinking operation
• Multi-chip configuration possible
• 8-bit serials interface
• CMOS
• Single power supply
ORDERING INFORMATION
PD7225G00
PD7225G01
PD7225GB-3B7
PD7225GC-AB6
Static, 1/2, 1/3
75X series and 78K series compatible
The PD7225 is a software-programmable LCD (Liquid Crystal Display) controller/driver. The PD7225 can be
Part Number
Static drive
Divide-by-2, 3, or -4 time division multiplexing
7-segment
Divide-by-4
Divide-by-3
Divide-by-2
Static................................................. 4 digits
14-segment
Divide-by-4
7-segment : Numeric characters 0 to 9, six symbols
14-segment : 36 alphanumeric characters, 13 symbols
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
PROGRAMMABLE LCD CONTROLLER/DRIVER
time division ............... 16 digits
time division ............... 10 2/3 digits
time division ............... 8 digits
time division ............... 8 digits
52-pin plastic QFP (14
52-pin plastic QFP (straight) (
56-pin plastic QFP (10
52-pin plastic QFP (14
The mark
DATA SHEET
14 mm)
10 mm)
14 mm)
14 mm)
shows major revised points.
Package
MOS INTEGRATED CIRCUIT
PD7225
©
1986, 1999
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