參數(shù)資料
型號(hào)： SPL10A1
廠商： Electronic Theatre Controls, Inc.
英文描述： 7.5KB LCD CONTROLLER/DRIVER
中文描述： 7.5KB LCD控制器/驅(qū)動(dòng)
文件頁數(shù)： 7/24頁
文件大?。?/td> 279K
代理商： SPL10A1
SPL10A1
7
The block diagram is shown as below:
2
TONE
DRIVER
MIX
ENVE LOPE
DA
AUD
PITCH
Timer Carry
speech
Melody
Tone
LIQUID CRYSTAL DISPLAY
The SPL10A1 can directly drive the liquid crystal display (LCD) panel of 1/2 duty, 1/3 duty,
and 1/4 duty with 1/2 bias or 1/3 bias. It has 4 commons and 32 segments signal pins. In
share mode (Timer/Counter is used), the LCD being refresh by LCDL interrupt. The INT
routine will read the number of common which is under serving, and send the next
common's pattern to LCD port ($10 - $13) from RAM buffer. If the Timer/the Counter is
not used, hardware mechanism will auto refresh the LCD after writing OPTION register
($1F).
The power connections for LCD (1/2 bias,1/3bias) are shown as below:
VDD2
0.1u
1 / 2 Bias
VDD1
1 / 3 Bias
VDD2
CUP2
CUP1
0.01u
VDD
0.01u
0.01u
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