PCF8579 데이터 시트보기 (PDF) - Philips Electronics

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PCF8579

LCD column driver for dot matrix graphic displays

Philips Electronics 

Philips Semiconductors

LCD column driver for dot matrix graphic

displays

Product specification

PCF8579

Table 4 Set mode option 1

LCD DRIVE MODE

1:8

1 : 16

1 : 24

1 : 32

MUX ( 8 rows)

MUX (16 rows)

MUX (24 rows)

MUX (32 rows)

BITS

M1

M0

0

1

1

0

1

1

0

0

Table 5 Set mode option 2

DISPLAY STATUS

Blank

Normal

All segments on

Inverse video

BITS

E1

E0

0

0

0

1

1

0

1

1

Table 6 Set mode option 3

SYSTEM TYPE

PCF8578 row only

PCF8578 mixed mode

BIT T

0

1

Table 7 Set start bank option 1

START BANK POINTER

Bank 0

Bank 1

Bank 2

Bank 3

BITS

B1

B0

0

0

0

1

1

0

1

1

Table 8 Device select option 1

DESCRIPTION

Decimal value of 0 to 15

BITS

A3 A2 A1 A0

Table 9 RAM access option 1

RAM ACCESS MODE

Character

Half-graphic

Full-graphic

Not allowed (note 1)

BITS

G1

G0

0

0

0

1

1

0

1

1

Note

1. See opcode for SET START BANK in Table 3.

Table 10 RAM access option 2

DESCRIPTION

Decimal value of 0 to 3

BITS

Y1

Y0

Table 11 Load X-address option 1

DESCRIPTION

Decimal value of 0 to 39

BITS

X5 X4 X3 X2 X1 X0

1997 Apr 01

20

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