Samsung CLP-300 XSG manual Main PBA Description, CHORUSm

System Overview

3.2.3 Main PBA Description

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

	Service Manual	3-9
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