PCF2114 查看數據表（PDF） - NXP Semiconductors.

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PCF2114

LCD controller/drivers

NXP Semiconductors. 

Table 6 8-bit operation, 1-line display example; using internal reset (character set ‘A’)

STEP

1

2

3

INSTRUCTION

DISPLAY

power supply on (PCF2116 is initialized by the internal reset

function)

function set

RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

0000110000

display mode on/off control

0 0 0 0 0 0 1 1 1 0_

4 entry mode set

0 0 0 0 0 0 0 1 1 0_

5 write data to CGRAM/DDRAM

1 0 0 1 0 1 0 0 0 0 P_

6 write data to CGRAM/DDRAM

1 0 0 1 0 0 1 0 0 0 PH_

7

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OPERATION

Initialized. No display appears.

Sets to 8-bit operation, selects 1-line display and

VLCD = V0.

Turns on display and cursor. Entire display is blank after

initialization.

Sets mode to increment the address by 1 and to shift the

cursor to the right at the time of the write to the

DD/CGRAM. Display is not shifted.

Writes ‘P’. The DDRAM has already been selected by

initialization at power-on. The cursor is incremented by 1

and shifted to the right.

Writes ‘H’.

|

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8 write data to CGRAM/DDRAM

1 0 0 1 0 1 0 0 1 1 PHILIPS_

Writes ‘S’.

9 entry mode set

0 0 0 0 0 0 0 1 1 1 PHILIPS_

Sets mode for display shift at the time of write.

10 write data to CGRAM/DDRAM

1 0 0 0 1 0 0 0 0 0 PHILIPS_

Writes space.

11 write data to CGRAM/DDRAM

1 0 0 1 0 0 1 1 0 1 PHILIPS M_ Writes ‘M’.

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