參數(shù)資料
型號： HD66720
廠商： Hitachi,Ltd.
英文描述： Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
中文描述： 低功耗點(diǎn)陣液晶顯示控制器/鍵掃描功能驅(qū)動(dòng)程序
文件頁數(shù)： 44/97頁
文件大小： 513K
代理商： HD66720
HD66727
44
ACG:
ADD:
IRE = 1:
KF1, KF0:
CGRAM address (00000–11111)
DDRAM address (0000000–1001011)
Key scan interrupt generation enabled
Key scan cycle set
Reset Function
Initialization by Internal Reset Circuit
The HD66727 is internally initialized by RESET* input. During initialization, the system executes the
instructions as described below. Here, the busy flag (BF) therefore indicates a busy state (BF = 1),
accepting no instruction or RAM data access from the MPU. Here, reset input must be held at least 10 ms.
After releasing power-on reset, clear display instruction is operated. So wait for 1,000 clock-cycles or
more.
Make sure to reset the HD66727 immediately after power-on.
Initialization of Instruction Sets, RAM, and Pins
Instruction set initialization:
1. Clear display executed
Writes 20H to DDRAM after releasing reset.
2. Return home executed
Sets the address counter (AC) to 00H to select DDRAM
3. Start oscillator executed
4. Entry mode set
I/D = 1: Increment by 1
OSC = 0: Clock frequency not divided
5. Cursor control
B/W = 0: White-black inverting cursor off
C = 0: 8th raster-row cursor off
B = 0: Blink cursor off
6. Display on/off control
D = 0: Character/segment display off
FW = 0: 5-dot font width
LC = 0: Line-cursor off
7. Power control
AMP = 0: LCD power supply off
SLP = 0: Sleep mode off
STB = 0: Standby mode off
相關(guān)PDF資料
PDF描述
HD66727A03TA0L Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
HD66705U Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver(圖形LCD控制器/驅(qū)動(dòng)器)
HD66710 (Dot Matrix Liquid Crystal Display Controller/Driver)
HD66710A00FS 16 AMP SPDT MINIATURE POWER RELAY
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66720A01TF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
HD66724 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
HD66724/HD66725 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HD66724RA03TA0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER
HD66725 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
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