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Memory Controller
• SDRAM (IC102 to IC105/SY-438 board) control (64 bit, 256 MByte)
• FLASH MEMORY (IC306, IC307/SY-438 board) control (32 bit, 64 MByte)
• FRAM (SY-438 board) control (8 bit, 32 KByte)
Serial Interface
9-pin remote control
External Control Signal
• Parallel I/O port control
RESET signal output, board detection, switch setting acquisition, etc. for parallel I/O port control devices
• PIERe/PHOT/VAX/ROVO/VSW/KMBC FPGA configuration
1-13-5.
IT System Control System
The CPU board (CN2401, CN2402/HPR-55 board) is used as an IT system control CPU, which enables the following
functions on the Linux OS.
PCI-Express (PCIe) Interface
The CPU board is connected to the disc, Ethernet, USB3.0, and PIERe (IC1200) on the HPR-55 board with the PCIe
interface to control them and for mutual data transfer.
• Disc
(Optical drive ←→ IC206, IC202, IC201/IF-1240 board ←→ CN-3594 board ←→ IC2701, CPU board/HPR-55
board)
• Ethernet
(CN600, IC600/SY-438 board ←→ CN-3594 board ←→ CPU board/HPR-55 board)
• USB3.0
(CN201, IC201/DIO-100 board ←→ CPU board/HPR-55 board)
PCI Bus Interface
The CPU board is connected to PHOT (IC900) on the HPR-55 board with the PCI bus interface to control PHOT and
for mutual data transfer.
USB2.0 Interface
The CPU board is connected to disc and external USB device with the USB2.0 interface to control them and for mutual
data transfer.
• Disc
(Optical drive ←→ IC700/IF-1240 board ←→ CN-3594 board ←→ CPU board/HPR-55 board)
• external USB device
(CN601, IC606/SY-438 board ←→ CN-3594 board ←→ CPU board/HPR-55 board)
PDW-HD1550
1-35
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