Transcription of 48 x 84 pixels matrix LCD controller/driver
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48 x 84 pixels matrix LCD controller/driver
INTEGRATED CIRCUITS. DATA SHEET. PCD8544. 48 84 pixels matrix LCD. controller/driver Product specification 1999 Apr 12. File under Integrated Circuits, IC17. Philips Semiconductors Product specification 48 84 pixels matrix LCD controller/driver PCD8544. CONTENTS 8 INSTRUCTIONS. Initialization 1 FEATURES. Reset function 2 GENERAL DESCRIPTION Function set 3 APPLICATIONS Bit PD. Bit V. 4 ORDERING INFORMATION. Bit H. 5 BLOCK DIAGRAM display control 6 PINNING Bits D and E. Pin functions Set Y address of RAM. R0 to R47 row driver outputs Set X address of RAM. C0 to C83 column driver outputs Temperature control VSS1, VSS2: negative power supply rails Bias value VDD1, VDD2: positive power supply rails Set VOP value VLCD1, VLCD2: LCD power supply 9 LIMITING VALUES.
The address counter assigns addresses to the display data RAM for writing. The X-address X6 to X0 and the Y-address Y2 to Y0 are set separately. After a write operation, the address counter is automatically incremented by 1, according to the V flag. 7.3 Display Data RAM (DDRAM) The DDRAM is a 48 ×84 bit static RAM which stores the display data.
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