PCF8531 Datasheet, PDF (25/44 Pages) NXP Semiconductors – 34 x 128 pixel matrix driver

NXP Semiconductors
10. Internal circuitry
PADS 43 to 49
V_DD1
V_SS1
PADS 64 to 70
PADS 57 to 63
V_SS2
V_SS1
PCF8531
34 x 128 pixel matrix driver
PADS 35 to 42
V_DD2
V_SS1
V_SS2
PADS 57 to 63
PADS 16, 24 to 30
V_LCDIN (SUPPLY),
V_LCDSENSE
V_SS1
PADS 32 to 34
V_DD3
V_SS1
PADS 17 to 23
V_LCDOUT
V_SS1
V_DD1
PADS 73, 74, 50, 51, 52
SCL, SDA, SDACK
V_SS1
V_LCDIN
PADS 87 to 248
V_SS1
V_DD1
PADS 15, 54, 71, 72, 56, 31, 55
OSC, SA0, T3, T1, T4, RES, ENR
V_SS1
For all diagrams the maximum forward current is 5 mA and the maximum reverse voltage is 5 V.
Fig 13. Device protection diagrams
V_DD1
PAD 78
T2
V_SS1
mgs485
PCF8531_4
Product data sheet
Rev. 04 — 13 June 2008
© NXP B.V. 2008. All rights reserved.
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