PCF8578, PCF8578D, PCF8578H Selling Leads, Datasheet
MFG:PHILIPS Package Cooled:Ssop D/C:08+
PCF8578, PCF8578D, PCF8578H Datasheet download
Part Number: PCF8578
MFG: PHILIPS
Package Cooled: Ssop
D/C: 08+
PCF8578, PCF8578D, PCF8578H
- Table of contents:
Info of PCF8578
Info of PCF8578D
Info of PCF8578H
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About PCF8578
PDF/DataSheet Download
Datasheet: PCF8578
File Size: 331363 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About PCF
PDF/DataSheet Download
Datasheet: PCF
File Size: 1246073 KB
Manufacturer: Welwyn Components Limited
Download : Click here to Download
About PCF8578H
PDF/DataSheet Download
Datasheet: PCF8578H
File Size: 331363 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
PCF8578 General Description
The PCF8578 is a low power CMOS LCD row/column driver, designed to drive dot matrix graphic displays at multiplex rates of 1 : 8, 1 : 16, 1 : 24 or 1 : 32. The device has 40 outputs, of which 24 are programmable, configurable as 32/8, 24/16, 16/24 or 8/32 rows/columns.
The PCF8578 can function as a stand-alone LCD controller/driver for use in small systems, or for larger systems can be used in conjunction with up to 32 PCF8579s for which it has been optimized. Together these two devices form a general purpose LCD dot matrix driver chip set, capable of driving displays of up to 40960 dots. The PCF8578 is compatible with most microcontrollers and communicates via a two-line bidirectional bus (I2C-bus). Communication overheads are minimized by a display RAM with auto-incremented addressing and display bank switching.
The PCF8578 can function as a stand-alone LCD controller/driver for use in small systems, or for larger systems can be used in conjunction with up to 32 PCF8579s for which it has been optimized. Together these two devices form a general purpose LCD dot matrix driver chip set, capable of driving displays of up to 40960 dots. The PCF8578 is compatible with most microcontrollers and communicates via a two-line bidirectional bus (I2C-bus). Communication overheads are minimized by a display RAM with auto-incremented addressing and display bank switching.
PCF8578 Maximum Ratings
| SYMBOL | PARAMETER | MIN. | MAX. | UNIT |
| VDD | supply voltage | -0.5 | +8.0 | V |
| VLCD | LCD supply voltage | VDD -11 | VDD | V |
| VI1 | input voltage CLK, SYNC, SA0, OSC, A0 to A2 | VSS - 0.5 | VDD + 0.5 | V |
| VI2 | input voltage SDA, SCL | VLCD - 0.5 | VDD + 0.5 | V |
| Vo1 | output voltage SYNC and CLK | VSS - 0.5 | VDD + 0.5 | V |
| Vo2 | output voltage R0 to R7, R8/C8 to R31/C31 and C32 to C39 | VLCD - 0.5 | VDD + 0.5 | V |
| II | DC input current | -10 | +10 | mA |
| IO | DC output current | -10 | +10 | mA |
| IDD, ISS, ILCD | VDD, VSS or VLCD current | -50 | +50 | mA |
| Ptot | total power dissipation | - | 400 | mW |
| PO | power dissipation per output | - | 100 | mW |
| Tstg | storage temperature | -65 | +150 |
PCF8578 Features
· Single chip LCD controller/driver
· Stand-alone or may be used with up to 32 PCF8579s (40960 dots possible)
· 40 driver outputs, configurable as 32/8, 24/16, 16/24 or 8/32 rows/columns
· Selectable multiplex rates; 1 : 8, 1 : 16, 1 : 24 or 1 : 32
· Externally selectable bias configuration, 5 or 6 levels
· 1280-bit RAM for display data storage and scratch pad
· Display memory bank switching
· Auto-incremented data loading across hardware subaddress boundaries (with PCF8579)
· Provides display synchronization for PCF8579
· On-chip oscillator, requires only 1 external resistor
· Power-on reset blanks display
· Logic voltage supply range 2.5 to 6 V
· Maximum LCD supply voltage 9 V
· Low power consumption
· I2C-bus interface
· TTL/CMOS compatible
· Compatible with most microcontrollers
· Optimized pinning for single plane wiring in multiple device applications (with PCF8579)
· Space saving 56-lead plastic mini-pack and 64 pin quad flat pack
· Compatible with chip-on-glass technology.
· Stand-alone or may be used with up to 32 PCF8579s (40960 dots possible)
· 40 driver outputs, configurable as 32/8, 24/16, 16/24 or 8/32 rows/columns
· Selectable multiplex rates; 1 : 8, 1 : 16, 1 : 24 or 1 : 32
· Externally selectable bias configuration, 5 or 6 levels
· 1280-bit RAM for display data storage and scratch pad
· Display memory bank switching
· Auto-incremented data loading across hardware subaddress boundaries (with PCF8579)
· Provides display synchronization for PCF8579
· On-chip oscillator, requires only 1 external resistor
· Power-on reset blanks display
· Logic voltage supply range 2.5 to 6 V
· Maximum LCD supply voltage 9 V
· Low power consumption
· I2C-bus interface
· TTL/CMOS compatible
· Compatible with most microcontrollers
· Optimized pinning for single plane wiring in multiple device applications (with PCF8579)
· Space saving 56-lead plastic mini-pack and 64 pin quad flat pack
· Compatible with chip-on-glass technology.
PCF8578 Typical Application
· Automotive information systems
· Telecommunication systems
· Point-of-sale terminals
· Computer terminals
· Instrumentation.
· Telecommunication systems
· Point-of-sale terminals
· Computer terminals
· Instrumentation.
PCF8578 Connection Diagram
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