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Samsung CLX-3185 - Flash Memory; Main Pba Description

Samsung CLX-3185
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Product spec and feature
Service Manual
2-28
Samsung Electronics
2.2.2.3 Main PBA Description
CHORUS 3
A Proprietary SoC, CHORUS3, executes and controls all jobs and functions to be required for
printing. To do these all jobs, the CHORUS3 incorporates all H/W blocks as follows.
▪ CPU Core ARM 926ESJ, I/D-Cache 16/16KB , Up to 400MHz
▪ System Bus Internally 32-bit width, Up to 120MHz
▪ MEM Controller DDR1/2, 16-bit width, 166MHz, 4-Bank, 128MB Space/bank
▪ ROM Controller 16-bit width, 4-bank, 16MB Space/bank
▪ CODEC Controller JBIG 4-ch Decoder and 2-ch Encoder, 1-ch JPEG
▪ Image Processor Processing Scan Image
▪ MAC Controller 10/100Mbps Full IEEE 802.3 Compatibility
▪ USB Controller USB2.0, Device or Host
▪ UART Controller
▪ I2C Controller
▪ Interrupt Controller
▪ Misc. Controller ADC, DAC, PWM, Step Motor Control and so on
▪ Voltage Core 1.0V, I/O 3.3V
▪ Package 416PBGA
Flash Memory
Used to store System Programs including the Operating System.
▪ Type NOR Flash
▪ Bus 16-bit width
▪ Size 8 MB

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