參數(shù)資料
型號(hào)： ML9208A-XXGA
廠商： LAPIS SEMICONDUCTOR CO LTD
元件分類： 顯示控制器
英文描述： 5 X 7 DOT CHARACTER FLUORESCENT DSPL CTRL, PQFP64
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁(yè)數(shù)： 13/35頁(yè)
文件大?。?/td> 632K
代理商： ML9208A-XXGA
FEDL9208A-02
ML9208A-xx
20/35
3. ADRAM data write
(specifies address of ADRAM and writes symbol data)
ADRAM (Additional Data RAM) has a 2-bit address to store symbol data.
Symbol data specified by ADRAM is directly output without CGROM and CGRAM.
(The ADRAM can store 2 types of symbol patterns for each digit.)
The terminal to which the contents of ADRAM are output can be used as a cursor.
[Command format]
C0 C1 *
*
B0 B1 B2 B3 B4 B5 B6 B7
2nd byte
(2nd)
LSB
MSB
: sets symbol data
(written into ADRAM address 0H)
X0 X1 X2 X3 1
1
0
B0 B1 B2 B3 B4 B5 B6 B7
1st byte
(1st)
LSB
MSB
: selects ADRAM data write mode and specifies ADRAM
address
(Ex: specifies ADRAM address 0H)
To specify symbol data continuously to the next address, specify only symbol data as follows.
The address of ADRAM is automatically incremented. Specification of addresses is therefore unnecessary.
C0 C1 *
*
B0 B1 B2 B3 B4 B5 B6 B7
2nd byte
(3rd)
LSB
MSB
: sets symbol data
(written into ADRAM address 1H)
C0 C1 *
*
B0 B1 B2 B3 B4 B5 B6 B7
2nd byte
(4th)
LSB
MSB
: sets symbol data
(written into ADRAM address 2H)
C0 C1 *
*
B0 B1 B2 B3 B4 B5 B6 B7
2nd byte
(17th)
LSB
MSB
: sets symbol data
(written into ADRAM address FH)
C0 C1 *
*
B0 B1 B2 B3 B4 B5 B6 B7
2nd byte
(18th)
LSB
MSB
: sets symbol data
(ADRAM address 0H is rewritten.)
X0 (LSB) to X3 (MSB) : ADRAM addresses (4 bits: 16 characters)
C0 (LSB) to C1 (MSB) : Symbol data (2 bits: 2-symbol data per digit)
* : Don’t care
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