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參數(shù)資料
| 型號： | HD66728 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器) |
| 中文描述： | 112 × 80點圖形LCD控制器/驅(qū)動器（112 × 80點圖形液晶顯示控制器） |
| 文件頁數(shù)： | 14/138頁 |
| 文件大?。?/td> | 2158K |
| 代理商： | HD66728 |
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HD66728
14
Pin Functions
Table 2
Pin Functional Description
Signals
Number of
Pins
I/O
Connected to
Functions
IM2, IM1
2
I
GND or V
CC
Selects the MPU interface mode:
IM2
"GND"
"GND"
"Vcc"
"Vcc"
IM1
"GND"
"Vcc"
"GND"
"Vcc"
MPU interface mode
Clock-synchronized serial interface
68-system parallel bus interface
Setting inhibited
80-system parallel bus interface
IM0/ID
1
I
GND or V
CC
Selects the transfer bus length for a parallel bus
interface.
GND: 8-bit bus, Vcc: 4-bit bus
Inputs the ID of the device ID code for a serial bus
interface.
CS*
1
I
MPU
Selects the HD66728:
Low: HD66728 is selected and can be accessed
High: HD66728 is not selected and cannot be
accessed
Must be fixed at GND level when not in use.
RS
1
I
MPU
Selects the register for a parallel bus interface.
Low: Instruction
High: RAM access
Selects the key scan interrupt method in the standby
period for a serial interface. Monitors a total of eight
keys connected to KST0 at the GND level and
monitors all keys at the Vcc level to generate an
interrupt. Must be fixed at the GND or Vcc level.
E/WR*/SCL 1
I
MPU
For an 80-system parallel bus interface, serves as a
write strobe signal and writes data at the low level.
For a 68-system parallel bus interface, serves as an
enable signal to activate data read/write operation.
Inputs the serial transfer clock for a serial interface.
Fetches data at the rising edge of a clock.
RW/RD*/
SDA
1
I or
I/O
MPU
For an 80-system parallel bus interface, serves as a
write strobe signal and reads data at the low level.
For a 68-system parallel bus interface, serves as a
signal to select data read/write operation.
Low: Write High: Read
Serves as the bidirectional serial transfer data for a
serial interface. Sends/Receives data.
IRQ*
1
O
MPU
Generates the key scan interrupt signal.
KST0–
KST3
4
O
Key matrix
Generates strobe signals for latching scanned data
from the key matrix at specific time intervals.
Available for a serial interface only.
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| HD66731A00TB0L | 122 x 32 pixel format, Compact LCD size |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66729 | 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 |
| HD66730 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66730A00FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66730A01FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66731 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
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