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參數(shù)資料
| 型號： | HD66705U |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver(圖形LCD控制器/驅(qū)動器) |
| 中文描述： | 低功耗點(diǎn)陣液晶顯示控制器/驅(qū)動器（圖形液晶顯示控制器/驅(qū)動器） |
| 文件頁數(shù)： | 9/81頁 |
| 文件大?。?/td> | 426K |
| 代理商： | HD66705U |
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HD66705U
9
Pin Functions
Table 1
Pin Functional Description
Signal
Number
of Pins
I/O
Device
Interfaced with Function
IM1, IM0
2
I
V
CC
or GND
Selects interface mode with the MPU:
IM1, IM0 = GND, GND: Inhibited (test mode)
IM1, IM0 = GND, V
CC
: Clock-synchronized serial mode
(receive)
IM1, IM0 = V
CC
, GND: 8-bit bus mode
IM1, IM0 = V
CC
, V
CC
: 4-bit bus mode
Selects the
HD66705U
during clock-synchronized serial
mode:
Low:
HD66705U
is selected and can be accessed
High:
HD66705U
is not selected and cannot be accessed
Selects the registers during 4- or 8-bit bus mode:
Low: Instruction register (write); busy flag and address
counter (read)
High: Data registers (write/read)
RS/CS*
1
I
MPU
RW/SDA
1
I
MPU
Inputs serial (receive) data during clock-synchronized serial
mode; selects read/write during 4- or 8-bit bus mode:
Low: Write
High: Read
E/SCL
1
I
MPU
Inputs serial clock pulses during clock- synchronized serial
mode; enables data read/write during 4- or 8-bit bus mode
DB7,
DB6,
DB5/ID5
DB4/ID4
4
I, I/O
MPU
Inputs the
HD66705U
's identification code (ID5, ID4) during
clock-synchronized serial mode;must be fixed to high or low
(DB7 and DB6…).
Four high-order bidirectional data bus pins for tristate data
transfer during 8-bit bus mode.
Bidirectional data bus pins during 4-bit bus mode.
DB3/ID3,
DB2/ID2,
DB1/ID1,
DB0/ID0,
4
I, I/O
MPU
Inputs the
HD66705U
's identification code (ID3 to ID0)
during clock-synchronized serial mode; must be fixed to
high or low.
Four low-order bidirectional data bus pins for tristate data
transfer during 8-bit bus mode.
Must be left disconnected during 4-bit bus mode since they
are not used.
COMS1,
COMS2
2
O
LCD
Common output signals for segment icon display.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66710 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver) |
| HD66710A00FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver) |
| HD66710A00TF | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver) |
| HD66712 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712A00TA0 | 制造商:Renesas Electronics Corporation 功能描述: |
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