Toshiba PCX2500 (DAZ8821F)

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Toshiba PCX2500 (DAZ8821F)

(Est.) release date: November 2002
Country of manuf.: Taiwan

Type: cable modem

Power: 12 VDC, 1 A
Connector type: barrel

CPU1: Texas Instruments TNETC4400 (100 MHz)
FLA1: 2 MiB 2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br /> (STMicro M28W160CT)
RAM1: 8 MiB 8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br /> (Hynix HY57V641620HG)

Expansion IFs: none specified
JTAG: yes, 14-pin header, JP2
Serial: yes, 6-pin header, (9600 8N1), JP3

ETH chip1: Texas Instruments TNETC4400
ETH chip2: Realtek RTL8201L
LAN speed: 100M
LAN ports: 1

Stock FW OS: VxWorks

Flags: DOCSIS 1.0

Ethernet OUI: none specified

For a list of all currently documented Texas Instruments (TI) chipsets with specifications, see Texas Instruments.


Cable Modem

"KMA320010903", "TANSUI-A", "PCX V:X3", and a date code

of 0245 is silkscreened on one PCX2500's board.

It's presumed to be running VxWorks.

CPU: PUMA, Board: Tansui, vxTarget
The board image shown (from here) has a different
layout than the one populating this entry.

JTAG

  • TCK – the TCK or 'test clock' synchronizes the internal state machine operations.
  • TMS – the TMS or 'test mode state' is sampled at the rising edge of TCK to determine the next state.
  • TDI – the TDI or 'test data in' represents the data shifted into the device's test or programming logic.
It is sampled at the rising edge of TCK when the internal state machine is in the correct state.
  • TDO – the TDO or 'test data out' represents the data shifted out of the device's test or programming
logic and is valid on the falling edge of TCK when the internal state machine is in the correct state.
  • TRST – the TRST or 'test reset' is an optional pin which, when available, can reset the TAP controller's
state machine.
  • GND - the GND or 'ground'.

Serial

Pinout

1 [3.3] (GND) 2
3 (TxD) (GND) 4
5 (RxD) (GND) 6  JP3

Boot log

 • Boot log
Power-On
Cable Modem Image starter
Texas Instruments (C) 2002
Version 01.05d
Running image #1.
Trying to run default image
        Prefix address - B0010000       Found image CRC OK; Decompressing
.................................
Well, looks OK; Let's go
Target Name: vxTarget
Attached TCP/IP interface to emac unit 0
NFS client support not included.
CPU is PUMA
Board is Tansui
HW Revision is 9.2.3.1
SW Version is 1.0.11 (Build 15_07_02:2) - Creation Date/Time:  Jul 17 2002 / 12:05:57

PCX2500: MIPS Core speed is 100.00 MHz (100 Ticks per second)
0x947ffdf0 (tRootTask): Loading RNDIS End Driver...
0x947ffdf0 (tRootTask): Memory setup complete
0x947ffdf0 (tRootTask): Configuring rndis2...
0x947ffdf0 (tRootTask): Done loading RNDIS END.
Installed MIPS exception handler
Initialized BBIF

                   ***********************************
                   **      Toshiba Corporation     ***
                   **   DOCSIS based Cable Modem   ***
                   ***********************************

USB_Init
0x947ffdf0 (tRootTask): After USB_Init
InitCB
init RNDIS CB
Attaching network interface lo0... done.
Power Table Initialization Complete
TxWDT: Installing Anti-Bubble protection...

>>>
-> 0000001416:Trying to synchronize ...
0000001422:Scanning frequency 117000000Hz

See also

Texas Instruments TNETC421A
Texas Instruments TNETC406
Texas Instruments TNETC405
Texas Instruments TNETC400G