ra8802 RAIO Technology Inc., ra8802 Datasheet - Page 11

• Manufacturer Part Number: ra8802
• Description: Character/graphic Lcd Controller
• Manufacturer: RAIO Technology Inc.

Version 1.3
RAiO
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TECHNOLOGY INC.
signals
Standby mode: When RA8802/8820 is in standby mode, except
DDRAM/ROM access function is prohibited, others are working
and so does LCD display function.
Sleeping mode: When RA8802/8820 is in sleeping mode, the
DDRAM/ROM access and LCD display are prohibited, but register
access is permitted.
Off mode: When RA8802/8820 is in off mode, all above functions
enter power-off mode, except the wake-up trigger block. If wake-up
event occurred, RA8802/8820 would wake-up and return to Normal
mode.
Software Reset:
1: Reset all registers except flushing RAM
0: Normal operation
Set Auto_reset function
When the bit is Enable, if RA8802/8820 doesn’t get a full command
or data within 2msec, then RA8802/8820 will ignore it.
1: Enable Auto_reset function
0: Disable Auto_reset function
Display mode selection
1: Character mode
0: Graphical mode
Set Display on or off. The bit can control LCD Driver Interface
DISP_OFF signal control
1: DISP_OFF pin output high
0: DISP_OFF pin output low.
Blink mode selection
0: Normal display
Inverse mode selection
1: Normal display
1: Blink full screen. The blink time is set by CBTR.
0: Inverse full screen. It will cause all data stored in DDRAM
inversed.
The written data will be treated as a GB/BIG/ASCII code.
The written data will be treated as a bit-map pattern.
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Character/Graphic LCD Controller
Text/Graph
Text/Graph
Text/Graph
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RA8802/8820
www.raio.com.tw
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