PCF8531 Datasheet, PDF (9/44 Pages) NXP Semiconductors – 34 x 128 pixel matrix driver

Philips Semiconductors
34 × 128 pixel matrix driver
Product specification
PCF8531
VLCD
V2
V3
ROW 0 to 32
V4
V5
VSS
ROW 33
VLCD
V2
V3
V4
V5
VSS
VLCD
V2
V3
COL 1 on/off
V4
V5
VSS
VLCD
V2
V3
COL 2 off/on
V4
V5
VSS
VLCD
V2
V3
COL 3 on/on
V4
V5
VSS
VLCD
V2
V3
COL 4 off/off
V4
V5
VSS
frame n
frame n + 1
only icons are driven
MGS467
2000 Feb 11
Fig.3 Icon mode; Mux 1 : 2 LCD waveforms.
9