PCF8579 datasheet(20/40 Pages) PHILIPS

20 / 40 page

1997 Apr 01

Philips Semiconductors

Product speciﬁcation

LCD column driver for dot matrix graphic

displays

PCF8579

Table 4 Set mode option 1

Table 5 Set mode option 2

Table 6 Set mode option 3

Table 7 Set start bank option 1

LCD DRIVE MODE

BITS

1 : 8

MUX ( 8 rows)

1 : 16

MUX (16 rows)

1 : 24

MUX (24 rows)

1 : 32

MUX (32 rows)

DISPLAY STATUS

BITS

Blank

Normal

All segments on

Inverse video

SYSTEM TYPE

BIT T

PCF8578 row only

PCF8578 mixed mode

START BANK POINTER

BITS

Bank 0

Bank 1

Bank 2

Bank 3

Table 8 Device select option 1

Table 9 RAM access option 1

Note

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

Table 10 RAM access option 2

Table 11 Load X-address option 1

DESCRIPTION

BITS

Decimal value of 0 to 15

RAM ACCESS MODE

BITS

Character

Half-graphic

Full-graphic

Not allowed (note 1)

DESCRIPTION

BITS

Decimal value of 0 to 3

DESCRIPTION

BITS

Decimal value of 0 to 39

X5 X4 X3 X2 X1 X0

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