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Part: PCD8544U
Category:
Optoelectronics
-> Drivers/Controllers
-> LCDs
-> LCD Drivers/Controllers
Description: PCD8544; 48 X 84 Pixels Matrix LCD Controller/driver
Company: Philips Semiconductors
Datasheet: Download PCD8544U datasheet File size : 372 kB
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Datasheet text preview:
INTEGRATED CIRCUITS
DATA SHEET
PCD8544 48 × 84 pixels matrix LCD controller/driver
Product specification File under Integrated Circuits, IC17 1999 Apr 12
Philips Semiconductors
Product specification
48 × 84 pixels matrix LCD controller/driver
CONTENTS 1 2 3 4 5 6 6.1 6.1.1 6.1.2 6.1.3 6.1.4 6.1.5 6.1.6 6.1.7 6.1.8 6.1.9 6.1.10 6.1.11 6.1.12 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.7.1 7.8 FEATURES GENERAL DESCRIPTION APPLICATIONS ORDERING INFORMATION BLOCK DIAGRAM PINNING Pin functions R0 to R47 row driver outputs C0 to C83 column driver outputs VSS1, VSS2: negative power supply rails VDD1, VDD2: positive power supply rails VLCD1, VLCD2: LCD power supply T1, T2, T3 and T4: test pads SDIN: serial data line SCLK: serial clock line D/C: mode select SCE: chip enable OSC: oscillator RES: reset FUNCTIONAL DESCRIPTION Oscillator Address Counter (AC) Display Data RAM (DDRAM) Timing generator Display address counter LCD row and column drivers Addressing Data structure Temperature compensation 8 8.1 8.2 8.3 8.3.1 8.3.2 8.3.3 8.4 8.4.1 8.5 8.6 8.7 8.8 8.9 9 10 11 12 12.1 12.2 13 14 14.1 14.2 15 16 17 INSTRUCTIONS Initialization Reset function Function set Bit PD Bit V Bit H Display control Bits D and E Set Y address of RAM Set X address of RAM Temperature control Bias value Set VOP value LIMITING VALUES HANDLING DC CHARACTERISTICS AC CHARACTERISTICS Serial interface Reset
PCD8544
APPLICATION INFORMATION BONDING PAD LOCATIONS Bonding pad information Bonding pad location TRAY INFORMATION DEFINITIONS LIFE SUPPORT APPLICATIONS
1999 Apr 12
2
Philips Semiconductors
Product specification
48 × 84 pixels matrix LCD controller/driver
1 FEATURES 2 GENERAL DESCRIPTION
PCD8544
· Single chip LCD controller/driver · 48 row, 84 column outputs · Display data RAM 48 × 84 bits · On-chip: Generation of LCD supply voltage (external supply also possible) Generation of intermediate LCD bias voltages Oscillator requires no external components (external clock also possible). · External RES (reset) input pin · Serial interface maximum 4.0 Mbits/s · CMOS compatible inputs · Mux rate: 48 · Logic supply voltage range VDD to VSS: 2.7 to 3.3 V · Display supply voltage range VLCD to VSS 6.0 to 8.5 V with LCD voltage internally generated (voltage generator enabled) 6.0 to 9.0 V with LCD voltage externally supplied (voltage generator switched-off). · Low power consumption, suitable for battery operated systems · Temperature compensation of VLCD · Temperature range: -25 to +70 °C. 4 ORDERING INFORMATION
The PCD8544 is a low power CMOS LCD controller/driver, designed to drive a graphic display of 48 rows and 84 columns. All necessary functions for the display are provided in a single chip, including on-chip generation of LCD supply and bias voltages, resulting in a minimum of external components and low power consumption. The PCD8544 interfaces to microcontrollers through a serial bus interface. The PCD8544 is manufactured in n-well CMOS technology. 3 APPLICATIONS
· Telecommunications equipment.
PACKAGE TYPE NUMBER NAME PCD8544U - DESCRIPTION chip with bumps in tray; 168 bonding pads + 4 dummy pads VERSION -
1999 Apr 12
3
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