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PDF ( 数据手册 , 数据表 ) HY-12864K-202

零件编号 HY-12864K-202
描述 LCD Module
制造商 ETC
LOGO ETC LOGO 


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HY-12864K-202 数据手册, 描述, 功能
LCD MODULE SPECIFICATION
FOR CUSTOMER’S APPROVAL
CUSTOMER : Standard
MODULE TYPE : HY-12864K-202
APPROVED BY: (FOR CUSTOMER USE ONLY)
Approved By Checked By Prepared By MT File No Date Issued







HY-12864K-202 pdf, 数据表
INTERFACE PIN ASSIGNMENT
Pin No. Pin Out
Description
1 VSS GND
2 VDD Logic supply voltage (5.0V)
3 V0 Power supply for LCD
Data/Instruction
4 RS RS=highIndicates that data of DB0~DB7 is display data.
RS=lowIndicates that data of DB0~DB7 is instruction
Read/Write
R/W=highData of DB0~DB7 can be read by CPU.
5 R/W R/W=lowData of DB0~DB7 can be written into LCD driver IC at the
falling edge of E when CS1 and CS2 is high.
Enable
When write(R/W=low)Data of DB0~DB7 is latched at the
6 E fall of E
When read(R/W=high)Data is read while E is at high level.
7 DB0
8 DB1
9 DB2
10 DB3 Data Bus line.
11 DB4
12 DB5
13 DB6
14 DB7
15 CS1 Chip-select for half-left screen. Active high
16 CS2 Chip-select for half-right screen. Active high.
17 RET Reset Signal, low level of RET is for reset and keep RET=’h’
18 VEE Output of supply negative voltage by the DC-DC converter on the module
19 LEDA Power supply for backlight(+5.0V)
20 LEDK Power supply for backlight(0V)
8







HY-12864K-202 equivalent, schematic
ADDRESS CONFIGURATION OF DISPLAY DATA RAM
Y address
0 1 2 3 ……………………126 127
DB0
X=0To
Page0
Line0
To
DB7 Line7
DB0
X=1To
Page1
Line8
To
DB7 Line15
DB0
X=2To
Page2
Line16
To
DB7 Line23
DB0
X=3To
Page3
Lint24
To
DB7 Line31
DB0
X=4To
Page4
Line32
To
DB7 Line39
DB0
X=5To
Page5
Line40
To
DB7 Line47
DB0
X=6To
Page6
Line48
To
DB7 Line55
DB0
X=7To
Page7
Line56
To
DB7 Line63
Address configuration of Display Data RAM
16










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