PCF88331 datasheet(14/112 Pages) PHILIPS

14 / 112 page

2003 Feb 14

Philips Semiconductors

Objective speciﬁcation

STN RGB - 132

× 132 × 3 driver

PCF8833

Notes

1. These values can be set by the module maker. If the factory defaults OTP bit EFD have been set, the value cannot

be changed via the interface. Otherwise, the OTP data will be used if SFD is set to logic 1, which is the reset state.

2. Calibration mode may not be entered if the SEAL bit has been set. Programming is only possible when in Calibration

mode.

xs[7:0]

x address start

2DEC

xe[7:0]

x address end

129DEC

ys[7:0]

y address start

2DEC

ye[7:0]

y address end

129DEC

RGBSET

256 to 4 kbyte colour LUT

see Section 6.2.22

AA1S[7:0]

partial area start address

0DEC

AA1E[7:0]

partial area end address

31DEC

TF[7:0]

top ﬁxed area

0DEC

SA[7:0]

scroll area

130DEC

BF[7:0]

bottom ﬁxed area

0DEC

SEP[7:0]

scroll entry point

0DEC

P[2:0]

interface pixel format is 12-bit/pixel

011

VPR[8:0]

programming of VLCD2 voltage; note 1

257DEC

S[1:0]

charge pump multiplication factor; note 1

SLA[2:0]

select slope for segment A; note 1

100

SLB[2:0]

select slope for segment B; note 1

011

SLC[2:0]

select slope for segment C; note 1

101

SLD[2:0]

select slope for segment D; note 1

111

DFA[6:0]

frame frequency for segment A is 80 Hz; note 1

56DEC

DFB[6:0]

frame frequency for segment B is 130 Hz; note 1

35DEC

DFC[6:0]

frame frequency for segment C is 150 Hz; note 1

30DEC

DFD[6:0]

frame frequency for segment D is 180 Hz; note 1

25DEC

DF8[6:0]

frame frequency for 8-colour mode is 130 Hz; note 1

35DEC

VB[3:0]

bias system is F/Gmax = 2.5; note 1

1011

NLI[7:0]

inversion is after 19 time slots (76 rows in Full mode); note 1

19DEC

VCON[6:0]

no contrast setting is set (twos complement number); note 1

0DEC

SFD

OTP programmed data is used; note 1

CALMM

not in Calibration mode

OPE

disable OTP programming voltage; note 2

ORA[2:0]

OTP row address selection

000

COMMAND

DESCRIPTION

RESET STATE

PCF88331 数据表(PDF) 14 Page - NXP Semiconductors

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