PCF8811USLASH2DASLASH1 datasheet(29/73 Pages) PHILIPS

29 / 73 page

2004 May 17

Philips Semiconductors

Product speciﬁcation

× 128 pixels matrix LCD driver

PCF8811

Notes

1. X = don’t care.

2. Philips strongly recommends that the extended

command set be used.

3. D7 = MSB.

4. Commands only available with the extended

command set, EXT = 1. If EXT = 0 these commands

have no effect.

5. When icon mode is enabled the set initial display line

is 0

≤ L ≤ 78.

6. When icon mode is enabled the set initial row is

≤ C ≤ 78.

7. Commands only used for the basic command set,

EXT = 0. If EXT = 1 these commands have no effect.

Care should be taken when setting VOP in the basic

command set, it must be followed by another

command.

8. The programming of VOP in the basic command set

must be done in the following order:

a) VPR[5:0]

b) VOFF[2:0]

c) Must be followed by another command.

9. One fixed TC is set automatically if the basic

command set is used.

10. Bias system settings which can be received when the

chip is used as replacement of Alth and Pleskho

driving method (NOP).

11. Only for mux rates 1 : 64 and 1 : 80 the number of

simultaneous rows can be manually set to p = 4.

13.1

Explanation of the symbols

13.1.1

COMMON INSTRUCTIONS OF THE BASIC AND EXTENDED COMMAND SET

Table 6

Explanation of the symbols

BIT

LOGIC 0

LOGIC 1

RESET STATE

DON

display off

display on

normal display

inverse video mode

DAL

normal display

all pixels on

no X mirroring

X mirroring

no Y mirroring

Y mirroring

stop frame frequency

calibration

start frame frequency calibration 0

internal oscillator off

start internal oscillator

X[6:0]

sets X address (column) for writing in the RAM

0000000

Y[3:0]

sets Y address (bank) for writing in the RAM

0000

Xmax[6:0]

set wrap around X address (column)

1111111

Ymax[3:0]

set wrap around Y address (bank)

1001

L[6:0]

sets line address of the display RAM to be displayed on the initial

ROW 0

0000000

C[6:0]

sets the initial ROW 0 of the display; this command cannot

access the icon driver row ROW 80; if icon row is enabled

0000000

P[6:0]

partial display mode 1 : 16 to 1 : 80; note 1

1010000 (1 : 80)/1000000

(1 : 64)

PC[1:0]

switch HV generator on/off

S[1:0]

charge pump multiplication factor

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