Philips Semiconductors
STN RGB - 132 × 132 × 3 driver
Objective speciï¬cation
PCF8833
Table 28 Display on register bits
D/C
7
6
5
4
3
2
1
0
DEFAULT
0
0
0
1
0
1
0
0
1
29H
handbook, full pagewidth
Initial state
Sleep_OUT
booster on
display on
Booster off
send DISPOFF
display off
send BSTROFF(1)
D31 = 0(2)
booster off
Booster on
send BSTRON
booster on
D31 = 0 wait for D31 bit
D31 = 1
send DISPON
display on
MGU916
(1) When an external VLCD is applied, BSTROFF needs to be sent after reset (default = booster on). The setting of Display
mode (Partial mode, Scroll mode, etc.) is not affected by sending DISPON/DISPOFF.
(2) D31 is the booster voltage status bit; see Section 6.2.7.
Fig.7 Recommendation for using commands BSTRON/BSTROFF in combination with DISPON/DISPOFF.
2003 Feb 14
26