BCM4780P
®
NASOC™ NETWORK ATTACHED STORAGE PROCESSOR
FEATURES
SUMMARY OF BENEFITS
• Advanced 400 DMIPS / 300 MHz MIPS32™ CPU core
• 16 KB I-cache, 16 KB D-cache, and 1 KB prefetch cache
• MMU/TLB Support for Linux®
• 10/100 Ethernet MAC with MII for LAN connectivity
• PCI 2.3 host interface (32 bit / 33 MHz)
• 12 Mbps USB 1.1 host and device interface
• GPIO interface
• SDRAM controller
• 32 bit / 133 MHz SDRAM controller
• SDR and DDR support
• 8 MB to 512 MB capacity
• Encryption/Decryption block
• 3DES-CBC, DES-CBC
• AES-CBC, AES-CTR with 128, 192, and 256 bit keys
• MD5, SHA1, HMAC-MD5, HMAC-SHA1
• SSL-MAC-MD5, SSL-MAC-SHA1, TLS-MAC-MD5, TLS-
MAC-SHA1
• 16-bit external interface bus
• Dual 16550 compatible UART
• 0.13 µ low-power 1/2/3.3V design
• Turnkey software and hardware provide the following benefits
• Plug-and-Play
• Auto-discovery
• User-transparent TwinCopyTM RAID1 technology
• Stressless Hot-Swap, Online-Build, Online-Merge, Online-
Repair
• Real-time encryption ensures data confidentiality
• Simultaneous NFS/CIFS support
• Simultaneous Wired & Wireless LAN accesses
• Advanced QoS supports media playback/record
• High-level RAID0,1,10 independent of drive types
• Powerful volume management features
• Simple yet advanced File Access Control (ACL)
• Advanced journaling file system
• S.M.A.R.T. monitoring and report
• 12 Mbps USB 1.1 compliant host/device interface enables
expansion for Print Server, USB drives for seamless upgrade of
hard disks & backup, UPS
SATA or IDE
SATA or IDE
SATA or IDE
SATA or IDE
BCM4780P System Diagram
BCM4780
802.11a/b/g
Wireless LAN
8 MB–512 MB
133-M Hz
SDR/DDR SDRAM
PCI 2.3
Host
USB 1.1
Host / Device
GPIO
SDRAM
I/F
300-MHz
MIPS32
Core
with MMU
10/100
MAC
External
Interface
Bus
UART
Encryption/
Decryption
2 MB–32 MB
Flash Memory
ODD
AC101L
Ma gne ti cs
10/100
LAN
RJ-45
AC101L