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Target Board Information
STMicroelectronics ST231 Eval board (mb424)
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ST231 Evaluation board
| Board name | ST231 Eval board |
| Board Id | mb424 |
| Chip | STi5301 |
| Target CPU | ST231 |
| Memory | 32Mb |
| Flash | 8Mb |
| STEM connector | No |
| On board Ethernet | SMSC9118 |
This board intended to allow evaluation of the ST231. The small form factor also
makes it useful for other purposes, as it has good A/V and on board ethernet.
Setting up the board
Serial ports
The board is supplied with a serial cable. You will need to unscrew the top of
the box to plug it in. You MUST have a MALE 9 pin D type connector,
a female will not work. Some of the early shipments of the board were
shipped with the wrong connector. If you have a female connector you will have
to replace it with a male. You will also need a null modem cable to plug into
the male connector. Ensure that you put the IDC header on with pin one
in the correct place.
EMI Config
| EMI config | Standard |
| Boot script name | mb424 |
| Extra parameters | -d 2 -e "NO_TAP_CTRL" |
Known problems
- Board can get very hot
- Bicolor LED does not work
- Early boards had wrong sex of RS232 cable supplied
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