Feature #808
Added by tin over 9 years ago.
Updated about 9 years ago.
Description
Backup and store NVRAM Dallas DS1230AB from TLA7AA4 module
Hack for maximum option (ES, 32MB 450MHz)
Currently enabled option: CS, 2MB 450MHz
Files
Serial port pinout
Pin |
Desc |
Desc |
Pin |
1 |
|
|
2 |
3 |
p9 RX in |
p11 out |
4 |
5 |
p7 tx out |
p10 rx in |
6 |
7 |
p5 drv out |
|
8 |
9 |
Ground |
|
10 |
LTC1137A RS232 driver
[9] RX >>>> RXD [21] >>> Pin44
[10] RX
[7] TX <<<< TXD [23] <<<< PA3 (pin45 CPU)
[5] TX <<<< TXD [25] <<<<
[11] TX <<< TXD [19] <<<< pin 34 CPU (RTS)
RXD1 - PA0 - 40
TXD1 - PA1 - 43
RXD2 - PA2 - 44
TXD2 - PA3 - 45
NVRAM backed up. Stores only calibration data, no critical information stored.
- Status changed from Resolved to Closed
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