128x64 COG LCD 模組

型號 WO12864D3

►COG LCD 顯示模組
►類型: 繪圖型
►結構: COG
►尺寸: 2.93吋
►128x64 點陣
►IC: ST7565P
►3.3V電源電壓
►1/64 duty cycle
►介面: 6800/8080/SPI

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規格圖

Winstar WO12864D3 - 128x64 COG Displays (Chip on Glass Display)

Data source ref:WO12864D3-TFH#

產品規格

Pin功能定義

Pin No.

符號

Level

說明

/CS1

The chip select signal

/RES

When RES is set to “L”, the setting are initialized.

This is connect to the least significant bit of the normal MPU address bus, and it determines whether the data bits are data or command.
A0 = “H”: Indicates that D0 to D7 are display data.
A0 = “L”: Indicates that D0 to D7 are control data.

/WR(R/W)

• When connected to 8080 series MPU, this pin is treated as the “/WR” signal of the 8080 MPU and is LOW-active.
The signals on the data bus are latched at the rising edge of the /WR signal.
• When connected to 6800 series MPU, this pin is treated as the “R/W” signal of the 6800 MPU and decides the access type :
When R/W = “H”: Read.
When R/W = “L”: Write.

/RD(E)

• When connected to 8080 series MPU, this pin is treated as the “/RD” signal of the 8080 MPU and is LOW-active.
The data bus is in an output status when this signal is “L”.
• When connected to 6800 series MPU, this pin is treated as the “E” signal of the 6800 MPU and is HIGH-active.
This is the enable clock input terminal of the 6800 Series MPU.

6~13

D0~D7

I/O

Data bus line

VDD

Power
Supply

Power supply

VSS

Power
Supply

Ground

VOUT

DC/DC voltage converter. Connect a capacitor between this terminal and vss or VDD

CAP5+

DC/DC voltage converter

CAP3+

CAP1-

CAP1+

CAP2+

CAP2-

CAP4+

VRS

Power
Supply

This is the internal-output VREG power supply for the LCD power supply voltage
regulator.

Power
Supply

This is a multi-level power supply for the liquid crystal drive.

Output voltage regulator terminal. Provides the voltage between VSS and V0 through a resistive voltage divider.
IRS = “L” : the V0 voltage regulator internal resistors are not used.
IRS = “H” : the V0 voltage regulator internal resistors are used.

C86

This is the MPU interface selection pin.
C86 = “H”: 6800 Series MPU interface.
C86 = “L”: 8080 Series MPU interface

P/S

This is the parallel data input/serial data input switch terminal.
P/S = “H”: Parallel data input.
P/S = “L”: Serial data input.
The following applies depending on the P/S status:

P/S	Data/Command	Data	Read/Write	Serial Clock
"H"	A0	D0 to D7	/RD,/WR	X
"L"	A0	SI(D7)	Write only	SCL(D6)

When P/S = “L”, D0 to D5 fixed “H”.
/RD (E) and /WR (R/W) are fixed to either “H” or “L”.
With serial data input, It is impossible read data from RAM

/HPM

This is the power control terminal for the power supply circuit for liquid crystal drive.
/HPM = “H”: Normal mode
/HPM = “L”: High power mode

IRS

This terminal selects the resistors for the V0 voltage level adjustment.
IRS = “H”: Use the internal resistors
IRS = “L”: Do not use the internal resistors. The V0 voltage level is
regulated by an external resistive voltage divider attached to the VR terminal

規格說明

項目	標準尺寸	單位
點陣(解析度)	128 x 64	－
模組尺寸	80.0 x 54.0 x 9.5	mm
檢視區域	70.7 x 38.8	mm
有效區域	66.52 x 33.24	mm
點大小	0.48 x 0.48	mm
點間距	0.52 x 0.52	mm
驅動方式	1/64 , 1/9 Bias
背光類型	LED
IC	ST7565P
介面	6800/8080/4-Line SPI

最大絕對額定值

項目	符號	最小值	典型值	最大值	單位
工作溫度	TOP	-20	－	+70	℃
儲存溫度	TST	-30	－	+80	℃
電源電壓	VDD	-0.3	－	3.6	V
Power supply voltage (VDD standard)	V0,VOUT	-0.3	－	14.5	V
Power supply voltage (VDD standard)	V1,V2,V3,V4	-0.3	－	V0+0.3	V

電氣特性

項目	符號	條件	最小值	典型值	最大值	單位
邏輯電源電壓	VDD-VSS	－	2.7	－	3.3	V
LCM電源電壓	V0-VSS	Ta=-20℃ Ta=25℃ Ta=70℃	10.0 9.8 9.6	10.2 10.0 9.8	10.4 10.2 10.0	V V V
輸入高電壓	VIH	－	0.8 VDD	－	VDD	V
輸入低電壓	VIL	－	VSS	－	0.2VDD	V
輸出高電壓	VOH	－	0.8VDD	－	VDD	V
輸出低電壓	VOL	－	VSS	－	0.2VDD	V
電源電流（不包括LED背光）	IDD	－	－	0.6	1.0	mA

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