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20x4 字元液晶顯示器模組

型號 WH2004B

►20x4 字元液晶模組
►20字x4行
►5x8 點陣(含游標)
►預設5V電源電壓 (可選3V)
►當用3V時,負壓只能供給3V
►1/16 duty cycle
►LED 由 PIN1, PIN2, PIN15, PIN16 或 A 和 K 驅動
►預設6800介面(ST7066 IC),可選SPI或I2C介面(RW1063 IC)
►WH2004B : FFC 連接器
►WH2004F : 7 顏色 LED 可選

產品敘述

WH2004B是一款20x4字元型液晶顯示器模組,此款的LCD面板有多種選擇,例如:正顯灰色、正顯黃綠色、負顯藍色、還有正顯與負顯FSTN面板。WH2004B內建ST7066 IC,5V電壓驅動,也可改用負壓3V驅動,預設介面為6800 4-bit/8-bit接口,背光包含多種搭配例如黃綠光、藍光、綠光、白光、琥珀光、紅光背光。LED可由PIN1, PIN2, PIN15, PIN16 或是A/ K腳驅動。內建的ST7066 IC 有多種字庫版本供客戶選擇,有English/Japanese, Western European, Eastern European, Scandinavian European, Cyrillic (Russian), Hebrew/Arabic等等。WH2004B外觀尺寸與規格與WH2004A相同,但是模組由FFC connector出pin.

WH2004B有不同介面可供選擇, 細節如下:
►WH2004B : 6800 interface (ST7066 IC)
►WH2004B1 : SPI interface (RW1063 IC)
►WH2004B2 : I2C interface (RW1063 IC)

規格圖

Winstar WH2004B - LCD Character Module 20x4 Drawing
Data source ref:WH2004B-TFH-ET#

產品規格

Pin功能定義

Pin No. 符號 Level 說明
1 VSS 0V Ground
2 VDD 5.0V Supply Voltage for logic
3 VO (Variable) Operating voltage for LCD
4 RS H/L H: DATA, L: Instruction code
5 R/W H/L H: Read  L: Write
6 E H,H→L Chip enable signal
7 DB0 H/L Data bus line
8 DB1 H/L Data bus line
9 DB2 H/L Data bus line
10 DB3 H/L Data bus line
11 DB4 H/L Data bus line
12 DB5 H/L Data bus line
13 DB6 H/L Data bus line
14 DB7 H/L Data bus line
15 A Power supply for B/L +
16 K Power supply for B/L -

規格說明

項目 標準尺寸 單位
字元數 20 字元 x 4 行
模組尺寸 98.0 x 60.0 x 13.6 (MAX) mm
檢視區域 77.0 x 25.2 mm
有效區域 70.4 x 20.8 mm
點大小 0.55 x 0.55 mm
點間距 0.60 x 0.60 mm
字元大小 2.95 x 4.75 mm
字元間距 3.55 x 5.35 mm
驅動方式 1/16
背光類型 LED
IC ST7066U
介面 6800

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
輸入電壓 VI VSS VDD V
邏輯電源電壓 VDD-VSS -0.3 7 V
LCD電源電壓 VDD-Vo -0.3 13 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 4.5 5.0 5.5 V
LCD電源電壓 VDD-V0 Ta=-20℃
Ta=25℃
Ta=70℃

4.4
3.5

4.5
5.7
4.6
V
V
V
輸入高電壓 VIH 0.7 VDD VDD V
輸入低電壓 VIL Vss 0.6 V
輸出高電壓 VOH 3.9 VDD V
輸出低電壓 VOL 0 0.4 V
供電電流 IDD VDD=5.0V 1.2 1.6 2.0 mA

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