Samsung CLP 300N Service Manual - Page 27
Main PBADescription, Programmable Timing to Control SDRAM A.C Characteristics
UPC - 635753722093
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3.2.3 Main PBA Description System Overview 1) CHORUSm CHORUSm involves in itself the functions to control ARM Processor Core and various H/W devices. CHORUSm, therefore, controls Main PBA and all engine mechanism, processing the print job received from host and enabling the engine to print image. Function Process 0.13um Technology Package 496 PBGA CPU Core ARM 920T - 300MHz Cache : I-Cache 16KB, D-Cache 16KB System Bus 32-bit width, 100MHz SDRAM Controller 32-bit width, 100MHz operation 5 Banks, Up to 128MB Address space per Bank Programmable Timing to Control SDRAM A.C Characteristics Support Self Refresh for Data Retention ROM Controller 32-bit width, 4 Banks, Up to 16MB Address space per Bank Burst Capability Programmable Timing per Bank Samsung Electronics Service Manual 3-9