PCF8577C View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF8577C' PDF : 33 Pages View PDF
NXP Semiconductors
24. Figures
Fig 1. Block diagram of PCF8577C . . . . . . . . . . . . . . . . .2
Fig 2. Pin configuration for PCF8577CT . . . . . . . . . . . . .3
Fig 3. PCF8577C register organization . . . . . . . . . . . . . .5
Fig 4. Direct drive mode display output waveforms . . . . .6
Fig 5. Duplex mode display output waveforms . . . . . . . .7
Fig 6. Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Fig 7. Definition of START and STOP conditions. . . . . . .9
Fig 8. System configuration . . . . . . . . . . . . . . . . . . . . . .10
Fig 9. Acknowledgement of the I2C-bus . . . . . . . . . . . .10
Fig 10. I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Fig 11. Driver timing waveforms . . . . . . . . . . . . . . . . . . .16
Fig 12. I2C-bus timing diagram; rise and fall times refer
to VIL and VIH . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Fig 13. Direct display driver; expansion to 256 segments
using eight PCF8577Cs . . . . . . . . . . . . . . . . . . . .17
Fig 14. Duplex display; expansion to 2 ï‚´ 128 segments
using four PCF8577Cs . . . . . . . . . . . . . . . . . . . .18
Fig 15. Use of PCF8577C as a 32-bit output expander
in an I2C-bus application . . . . . . . . . . . . . . . . . . .19
Fig 16. Package outline SOT158-1 (VSO40) of
PCF8577CT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Fig 17. Temperature profiles for large and small
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Fig 18. Footprint information for reflow soldering of
SOT158-1 (VSO40) of PCF8577CT . . . . . . . . . .24
PCF8577C
LCD direct/duplex driver with I²C-bus interface
PCF8577C
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 10 October 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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