Xerox Phaser 3435 Service Manual page 208

General Procedures and Information
Memory
• Flash Memory: It stores System Program and downloads the System Program through PC
Interface, and in case of model for export it compresses the PCL font, then stores it.
-Capacity: 32M Byte (NAND Flash)
-Random Access Time: 10 us (Max)
-Serial Page Access Time: 50ns (Min)
• DRAM: It is used as Swath Buffer, System Working Memory Area, etc. when printing.
It stores Font List, compressed into Flash memory, on DRAM and uses it as PCL font in case
of model for export.
-Capacity: 64M Byte (Basic), up to 320Mbyte (User Option)
-Type: SDRAM 100MHz/133MHz, 16bit
Others
The Option PBA can be mounted for supporting the serial communication.
PHY IC
USB IC
SDRAM
SRAM
6-22
Figure 1
5/08
Flash ROM
SPGPv3
(ASIC)
Phaser 3435