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Part Name
Description
ST7920-0C View Datasheet(PDF) - Sitronix Technology Co., Ltd.
Part Name
Description
MFG CO.
ST7920-0C
Chinese Fonts built in LCD controller/driver
Sitronix Technology Co., Ltd.
'ST7920-0C' PDF : 49 Pages
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ST7920
System Block Diagram
RESI
RESO
Reset
Circuit
CLK
PSB
RS
MPU
RW
Interface
E
Instruction
Register (IR)
Instruction
Decoder
Display
Data RAM
(DDRAM)
64 x 16 bits
DB4 to
DB7
DB0 to
DB3
Input/
Output
Buffer
Address
Counter
Data
Register
(DR)
Busy
Flag
Timing
Generator
CL1
CL2
M
DOUT
33/49-bit
shift
register
Common
Signal
Driver
COM1 to
COM32
64-bit
shift
register
64-bit
latch
circuit
Segment
Signal
Driver
SEG1 to
SEG64
LCD Drive
Voltage
Selector
Graphic
RAM
(GDRAM)
1024 x 16
bits
Half size
Character
ROM
(HCGROM)
1024x16 bits
Character
Generator
RAM
(CGRAM)
1024 bits
Character
Generator
ROM
(CGROM)
2M bits
Cursor
Blink
Scroll
Controller
Parallel/Serial converter
Vss
and
Attribute Circuit
VDD
XRESET
V0 V1 V2 V3 V4
XOFF
V4.0
3/49
2008/08/18
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