sh66l10a SinoWealth Micro-Electronics Corp. Ltd, sh66l10a Datasheet - Page 14

• Manufacturer Part Number: sh66l10a
• Description: 2k 4-bit Micro-controller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Program Notes:
The LCD pump circuit and the LCD display will be turned off automatically after the CPU has received a “STOP” instruction. The
user should turn on the LCD pump (Set LCDOFF = 0) after the next wake up.
If the “Single solar supply application” code option is disabled
1. The LCDOFF (System register $13 Bit2) will be set to 1 when the pad reset has been issued or the power on reset has been
2. The LCD pump circuit is off after power on reset. When the LCDOFF (System register $13 Bit2) is cleared to 0, the LCD pump
3. Set LCDOFF = 1 disables LCD display output only, and won’t turn off the LCD pump circuit.
If the “Single solar supply application” code option is enabled
1. The LCDOFF (System register $13 Bit2) will be set to 1 after the power on reset has been released. At this time, the LCD
2. When the LCDOFF (System register $13 Bit2) is cleared to 0 by the programming writing, the LCD pump circuit will be turned
3. The user should turn on the LCD pump (Set LCDOFF = 0) after the next wake up.
4. In addition, the LCD pump circuit and the LCD display will also be turned off if the LCDOFF (System register $13 Bit2) is set
5. The LCDOFF (System register $13 Bit2) will be unchanged when the pad reset has been issued.
“Single solar supply application” code option is disabled
“Single solar supply application” code option is enabled
PWR
WDT
STOP
Pad RESET
PWR
WDT
STOP
Pad RESET
released. At this time, the LCD display will be disabled.
circuit will turn on. It will turn off only after receiving a “STOP” instruction.
pump circuit and the LCD display will be turned off.
on, then the LCD display will be turned on, too.
to 1 by the programming writing.
COM1
COM2
COM3
V1
V2
V
GND
V1
V2
V
GND
V1
V2
V
GND
DD
DD
DD
LCDOFF
LCDOFF
U
1
1
1
1
1
1
1
1/2Frame
Frame
14
PUMP CIRCUIT
PUMP CIRCUIT
OFF
OFF
OFF
OFF
OFF
OFF
U
U
Display
Display
OFF
OFF
OFF
OFF
OFF
OFF
OFF
U
SH66L10A