BCM4780P
NASOCTM NETWORK ATTACHED STORAGE PROCESSOR
BCM4780P System Diagram
Advanced 400 DMIPS / 300 MHz MIPS32TM 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
low-power 1/2/3.3V design
Turnkey software and hardware provide the following benefits
Plug-and-Play
Auto-discovery
User-transparent TwinCopy
TM
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
F E A T U R E S
S U M M A R Y O F B E N E F I T S
BCM4780
PCI 2.3
Host
External
Interface
Bus
300-MHz
MIPS32
Core
with MMU
Encryption/
Decryption
SDRAM
I/F
USB 1.1
Host / Device
2 MB32 MB
Flash Memory
ODD
UART
10/100
MAC
GPIO
8 MB 512 MB
133-M Hz
SDR/DDR SDRAM
802.11a/b/g
Wireless LAN
10/100
LAN
RJ-45
AC101L
Magnetics
AC101L
SATA or IDE
SATA or IDE
SATA or IDE
SATA or IDE
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