SMC7004VBR P/N 720.645

SMC7004VBR P/N 720.645


Note: newer ones use different hardware
Vendor: SMC
Product Page SMC70004VBR - Barricade Cable/DSL Broadband Router
Description The Barricade Cable/DSL Broadband Router (SMC7004VBR) is the ideal networking solution for home and business users that are looking for a complete networking solution. This platform independent multi-function router combines a 4-port 10/100 Mbps dual speed switch, full-featured SPI firewall, and network management system into one convenient device. The Barricade supports various network protocols, such as TCP/IP and NetBeui, while also providing support for VPN connections with PPTP, L2TP, and IPSec pass-through.
OEM Info ????????????????
FCC ID ???????????????
Inside Photo NOT YET
See Also tbd

Internal Components
CPU ???
Flash memory 1 Mbyte
Intel TE28F800 B3BA90
3 Volt Fast Boot Block Flash Memory (512Kbit x 16)
Specification
SDRAM memory 8 MBytes
Winbond W986432DH-6
512k x 4 banks x 32 bits SDRAM
Specification
PLD Lattice iM4A3-32 (ispMACH 4A3) programmable logic
Specification
Connectors 14-pin JTAG, 10-pin UART, 8-pin PLD programming

Connectors

J2 : a standard 14-pin ARM7TDMI JTAG connector
1 vddh ( positive 3.3) 2 vss (ground)
3 nTRST 4 vss (ground)
5 TDI (pin 161) 6 vss (ground)
7 TMS (pin 164) 8 vss (ground)
9 TCK (pin 165) 10 vss (ground)
11 TDO (pin 162) 12 nRESET ( not implemented ??)
13 vddh (positive 3.3) 14 vss (ground)



J3 : 10-pin UART connector
1 udcd# (pin 150) 2.5v 2 udsr# (pin 152) 2.5v
3 udi0 (pin 154) 0v 4 -----
5 udo0 (pin 155) 3.3v 6 ucts# (pin 153) 2.5v
7 ----- 8 -----
9 vss (ground) 10 vddh (positive 3.3v)



JP1 : a 8-pin JTAG connector for PLD programming
1 vddh (positive 3.3v)
2 TDO (pin 35)
3 TDI (pin 10)
4 ??? nTRST (pin ???) / not connected ??
5 --------
6 TMS (pin 32)
7 vss (ground)
8 TCK (pin 13)

Software Information

Original Firmware

Firmware upgrade for PN 720.645 is where? from SMC website
Firmware packaged using PKZIP compression and could be downloaded using web interface (or TFTP protocol???).

Reflash linux procedure

Reverse Engineering

This unit is much like SMC7004VWBR analized by Stas

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