BCM4780P
®
NASOC™ NETWORK ATTACHED STORAGE PROCESSOR
S U M M A R Y O F B E N E F I T S
F E A T U R E S
Advanced 400 DMIPS / 300 MHz MIPS32™ CPU core
Turnkey software and hardware provide the following benefits
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16 KB I-cache, 16 KB D-cache, and 1 KB prefetch cache
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Plug-and-Play
MMU/TLB Support for Linux®
Auto-discovery
User-transparent TwinCopyTM RAID1 technology
Stressless Hot-Swap, Online-Build, Online-Merge, Online-
Repair
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
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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
SDRAM controller
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32 bit / 133 MHz SDRAM controller
SDR and DDR support
8 MB to 512 MB capacity
Encryption/Decryption block
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S.M.A.R.T. monitoring and report
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3DES-CBC, DES-CBC
12 Mbps USB 1.1 compliant host/device interface enables
expansion for Print Server, USB drives for seamless upgrade of
hard disks & backup, UPS
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
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BCM4780P System Diagram
BCM4780
PCI 2.3
Host
USB 1.1
Host / Device
SATA or IDE
802.11a/b/g
Wireless LAN
SATA or IDE
2 MB–32 MB
Flash Memory
SATA or IDE
SATA or IDE
External
Interface
Bus
GPIO
300-MHz
MIPS32
Core
with MMU
8 MB–512 MB
SDRAM
133-MHz
I/F
ODD
UART
SDR/DDR SDRAM
10/100
MAC
Encryption/
Decryption
AC101L
AC101L
Magnetics
10/100
LAN
RJ-45