NJU6543 查看數據表（PDF） - Japan Radio Corporation

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NJU6543

1/2 1/3 1/4 Duty LCD Driver

Japan Radio Corporation  

NJU6543 Preliminary

• Display ON/OFF

SC

0

1

Display ON/OFF

OFF

ON

When Display OFF

• All segment and common terminal output VSS

(When general purpose output ports are selected, even Display OFF, these ports can output data)

• Suspending Oscillation (but, if RSTb="L", oscillator works)

• V1 , V2 and V3 become “H” (no current pass through the bleeder resistors)

Even during Display OFF, interface can be accessed, and data can be written into the command register,

address counter and data register.

(5) Output Address Counter

Output Address Counter will specify the addresses of the SEG and COM drivers for the display data.

When the MSB (D7 to D6) of the 1st data is “01”, the LSB 6 bits (D5 to D0) specify the addresses of COM and

SEG drivers, and the 2nd data is the display data which will be sent to the 1st-data-specified drivers. At the

same time, SEG and COM driver addresses will be increased automatically shown in Table 1. In other words,

as of the SEG and COM driver addresses specified by the first data in the Output Address Counter, display

data can be transferred to the SEG and COM drivers without further address setting.

The address setting range is from "000000" to "111111". if the data transferred additionally , then it will be

reset to “000000” and renew the auto-increment operation.

• Address Data

D7

D6

D5

D4

D3

D2

D1

D0

0

1

C1

C0

S3

S2

S1

S0

Flag bits

COM driver Address

SEG driver Address

-8-

Ver.2008-11-28

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