pcf8833 NXP Semiconductors, pcf8833 Datasheet - Page 88

• Manufacturer Part Number: pcf8833
• Description: Stn Rgb - 132 X 132 X 3 Driver
• Manufacturer: NXP Semiconductors

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Table 95 Sequence to determine MMVOP
Notes
1. X = don’t care. For hexadecimal representation, don’t care bits are assumed to be logic 0.
2. D31 is the booster voltage status bit; see Section 6.2.7.
3. The chip stays in shift operation as long as D/C is logic 1.
STEP
10
11
12
13
1
2
3
4
5
6
7
8
9
D/C
0
0
0
0
1
1
0
1
0
1
0
0
1
0
1
X
X
X
X
X
X
7
0
1
0
1
1
1
0
1
1
MMVOP
6
0
1
0
0
X
X
1
X
1
X
0
X
1
1
5
MMVOP
5
0
1
1
1
X
X
0
X
1
0
0
1
1
0
4
COMMAND BYTE
MMVOP
VPR
X
X
4
0
0
0
1
0
1
0
1
1
1
0
4
3
MMVOP
VPR
VPR
3
0
1
1
0
0
X
0
0
0
0
0
0
8
3
(1)
2
MMVOP
VPR
VPR
X
2
0
1
0
0
0
0
x
0
0
0
x
7
2
1
MMVOP
VPR
VPR
S
1
0
1
0
0
1
0
0
0
0
0
0
1
6
1
0
VPR
VPR
S
0
1
0
0
0
0
0
1
1
1
0
0
0
0
5
0
ADDR
EEH
B0H
C2H
F0H
F1H
F0H
01H
28H
01H
11H
00H
reset (may also be hardware reset)
wait 1 ms for refresh to take effect
set SFD = 0 in order to use interface
values
send DISPOFF to prevent rows and
columns to toggle
set V
set multiplication stages to desired
value
enter CALMM mode
ORA = 000 OPE = 0 CALMM = 1
send Sleep_OUT (no refresh
because CALMM = 1)
wait until D31 = 1 (V stable); note 2
send OTPSHTIN; note 3
set MMVOP[5:0] and SEAL = 0
check V
repeat steps 10 to 11 until desired
V
exit CALMM mode; if required
ORA = 000 OPE = 0 CALMM = 0
LCD2
PR
is reached
to desired value
LCD2
DESCRIPTION
after V
LCD2
has settled