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參數(shù)資料
| 型號： | ML9090-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | LCD Driver with Key Scanner and RAM(帶鍵掃描和RAM的LCD驅(qū)動器) |
| 中文描述： | LCD驅(qū)動器與關鍵掃描儀和內(nèi)存（帶鍵掃描和內(nèi)存的液晶驅(qū)動器） |
| 文件頁數(shù)： | 22/35頁 |
| 文件大?。?/td> | 302K |
| 代理商： | ML9090-01 |
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Semiconductor
ML9090-01,-02
22/35
Port register A (PTA)
D7
D6
D5
D4
—
D3
D2
D1
D0
PTA
The port register A sets (to “1”) and resets (to “0”) general-purpose port A data. The setting of
the PTA bit (D0 bit) corresponds to the PA0 output pin. If the
RESET
pin is pulled to a “L” level,
this register is reset to “0” and the PA0 pin goes to high impedance. After the
RESET
pin is pulled
to a “H” level, if port data is set in this register, the PA0 pin is released from its high impedance
state and outputs the corresponding port data.
Port register B (PTB)
D7
PTB7
D6
PTB6
D5
PTB5
D4
PTB4
D3
PTB3
D2
PTB2
D1
PTB1
D0
PTB0
The port register sets (to “1”) and resets (to “0”) general-purpose port B data. The settings of the
PTB0 to PTB7 bits (D0 to D7 bits) correspond to the PTB0 to PTB7 output pins. If the
RESET
pin
is pulled to a “L” level, this register is reset to “0” and pins PTB0 through PTB7 go to high
impedance. After the
RESET
pin is pulled to a “H” level, if port data is set in this register, pins
PTB0 through PTB7 are released from their high impedance states and output the corresponding
port data.
Control register 1 (FCR1)
D7
INC
D6
WLS
D5
KT
D4
—
D3
—
D2
—
D1
DTY1
D0
DTY0
(1) D7 INC Address increment direction
1: X direction address increment
0: Y direction address increment
This bit sets the address increment direction of the display RAM. The display RAM address is
automatically incremented by 1 every time data is written to the display data register. Writing
a “1” to this bit sets “X address increment”, and writing a “0” sets “Y address increment”. For
further details regarding address incrementing, refer to the page entitled “X, Y Address Counter
Auto Increment”, Even if the
RESET
pin is pulled to a “L” level, the value of this bit will not
change.
(2) D6 WLS (Word Length Select)
1: 6-bit word length select
0: 8-bit word length select
This bit selects the word length of data to be written to and read from the display RAM. If “1”
is written to this bit, data will be read from and written to the display RAM in 6-bit units. If “0”
is written to this bit, data will be read from and written to the display RAM in 8-bit units. Even
if the
RESET
pin is pulled to a “L” level, the value of this bit will not change.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ML9090-01- | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:LCD Driver with Key Scanner and RAM |
| ML9090-02 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:LCD Driver with Key Scanner and RAM |
| ML9090A | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:LCD Driver with Key Scanner and RAM |
| ML9090A-01GA | 制造商:ROHM Semiconductor 功能描述: |
| ML9090A-01GAZ03A | 制造商:ROHM Semiconductor 功能描述: |
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