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參數(shù)資料
| 型號(hào)： | HD66732 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動(dòng)器) |
| 中文描述： | 圖形液晶顯示控制器/驅(qū)動(dòng)器支持日標(biāo)級(jí)- 1和第2級(jí)漢字光盤（圖形液晶顯示控制器/驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 62/133頁(yè) |
| 文件大?。?/td> | 2608K |
| 代理商： | HD66732 |
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HD66732
62
Reset Function
The HD66732 is internally initialized by RESET input. During initialization, the system executes a clear
display instruction after reset is canceled. The system executes the other instructions during the reset
period. Because the busy flag (BF) indicates a busy state (BF = 1) during the reset period and the clear
display instruction is executed following reset cancellation, no instruction or RAM data access from the
MPU is accepted. The reset input must be held for at least 1 ms. Any initializing instruction must wait for
200 clock cycles after the reset is canceled so that execution of the clear display instruction can be
completed.
Instruction Set Initialization:
1. Clear display executed (writes half-size space code A0H to DDRAM)
2. Start oscillation executed
3. Driver output control (NL2–0 = 100: 1/54 duty drive, CEN = 0, SGS = 0, CMS = 0, CEN = 0)
4. LCD waveform control (B/C = 0: B-pattern waveform, EOR = 0, NW4–0 = 0000)
5. LCD drive control (BS2–0 = 000: 1/8 bias drive, CT4–0 = 00000: Weak contrast)
6. Power control (AMP = 0: LCD power off, BT1/0 = 00: Single boost, SLP = 0: Sleep mode off, STB =
0: Standby mode off)
7. Key scan control (KSB = 0: Key scan, IRE = 0: Key scan interrupt (IRQ) generation disabled, KF1/0 =
00: Key scan set to 64 cycles)
8. Port control (PT2/1/0 = 000: PORT2/1/0 output = GND level)
9. Entry mode set (REV = 0, SPR = 0, GR = 0: Character display mode, RDM = 0, I/D = 1: Increment by
1)
10.Cursor control (CH = 0: Cursor home, LC = 0, B/W = 0, C = 0, B = 0)
11.Display control (DC/DS = 00: Display off, NC1/0 = 00: six-character display)
l2. Scroll control (SN1/0 = 00, SL3/2/1/0 = 0000: First raster-row displayed at the top of the first line)
13.Half-size ROM control (RL4/3/2/1 = 0000: Bank 0 selection)
14.Half-size display attribute (A41/40 = 00, A31/30 = 00, A21/20 = 00, A11/10 = 00: Normal half-size
display)
15.RAM address (RM1/0 = 00: DDRAM selection, AD10–0 = 000H)
RAM Data Initialization:
1. DDRAM
All addresses are initialized to A0H by the clear-display instruction after the reset is canceled.
2. CGRAM/SEGRAM
This is not automatically initialized by the reset input but must be initialized by software while the
display is off (D = 0).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66740TB0 | 50/MDR/RECP/VERT PRS FIT/M2.6/SCW/30MIN |
| HD66740WTB0 | 112 x 80-dot Graphics LCD Controller/Driver |
| HD66751 | 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| HD66750TB0 | 122 x 32 pixel format, Compact LCD size |
| HD66750 | 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66735 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HD66735 Procedure for setting Standby/Sleep/Display off mode. Technical Update/Device |
| HD66740 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HD66740TB0 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver |
| HD66740WTB0 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver |
| HD66741 | 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 |
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