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参数资料
| 型号： | ML9204-XXGA |
| 厂商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分类： | 显示控制器 |
| 英文描述： | 24 X 35 DOTS FLUORESCENT DSPL CTRL, PQFP128 |
| 封装： | 14 X 20 MM, 0.50 MM PITCH, PLASTIC, QFP-128 |
| 文件页数： | 18/42页 |
| 文件大小： | 317K |
| 代理商： | ML9204-XXGA |
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PEDL9204-02
OKI Semiconductor
ML9204-xx
24/41
4. GCRAM data write
(writes data by the number of COM outputs for digits)
GCRAM (Grid Control RAM) has a 5-bit address to control the number of COM outputs for digits.
GCRAM outputs specified data directly to COMn, allowing COM outputs to be controlled arbitrarily.
It is also possible to supply a large current by connecting a plurality of COMs outside the ML9204.
For example, when COM23 and COM24 are connected, the ML9204 has 23 display digits. In this case, the user
specifies “23” as the number of display digits.
Write grid data at GCRAM addresses 00H and later.
Carry out this mode before putting-out-lights mode release.
Refer to a “setting operation flow chart” about the details of a setup.
Write COM data"0" in the GCRAM address which is not used for incorrect display prevention.
[Command format]
LSB
MSB
B0
B1
B2
B3
B4
B5
B6
B7
1st byte
*
0
1
0
: Selects a GCRAM data write mode.
(1st)
LSB
MSB
B0
B1
B2
B3
B4
B5
B6
B7
2nd byte
C0
C1
C2
C3
C4
C5
C6
C7
: Specifies COM data.
(2nd)
(Written into GCRAM address 00H)
LSB
MSB
B0
B1
B2
B3
B4
B5
B6
B7
3rd byte
C8
C9
C10 C11 C12 C13 C14 C15
: Specifies COM data.
(3rd)
(Written into GCRAM address 00H)
LSB
MSB
B0
B1
B2
B3
B4
B5
B6
B7
4th byte
C16 C17 C18 C19 C20 C21 C22 C23
: Specifies COM data.
(4th)
(Written into GCRAM address 00H)
C0 (LSB) to C23 (MSB): Grid control data (24 bits)
*:
Don’t Care
Note: To specify additional grid control data, specify the grid control data as shown below. The GCRAM
addresses are automatically incremented.
The second byte to the fourth byte (for grid data) are treated as a single piece of element and the
byte-byte tDOFF can be 200 ns.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ML9205-01 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM |
| ML9206 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM |
| ML9206-XX | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM |
| ML9207 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 X 7 Dot Character × 24-Digit Display Controller/Driver with Character RAM |
| ML9207-XX | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 X 7 Dot Character × 24-Digit Display Controller/Driver with Character RAM |
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