====== CB290 ======

{{ :cubloc:cb290pinout.png?nolink |}}
===== Pin description =====

^ Pin         ^ Name   ^ I/O     ^ Description                            ^
| SOUT        | 1      | OUT     | DOWNLOAD SERIAL OUTPUT             |
| SIN         | 2      | IN      | DOWNLOAD SERIAL INPUT              |
| ATN         | 3      | IN      | DOWNLOAD SERIAL RESET (DTR)              |
| VSS         | 4      | POWER   | GROUND                                 |
| P0          | 5      | I/O     | SPI SS                                |
| P1          | 6      | Input   | SPI SCK                               |
| P2          | 7      | I/O     | SPI MOSI                              |
| P3          | 8      | I/O     | SPI MISO                              |
| P4          | 9      | I/O     |                                        |
| P5          | 10     | I/O     | PWM0                                   |
| P6          | 11     | I/O     | PWM1                                   |
| P7          | 12     | I/O     | PWM2                                   |
| P8          | 25     | I/O     | ADC0 : AD Channel 0                    |
| P9          | 26     | I/O     | ADC1 : AD Channel 1                    |
| P10         | 27     | I/O     | ADC2 : AD Channel 2                    |
| P11         | 28     | I/O     | ADC3 : AD Channel 3                    |
| P12         | 29     | I/O     | ADC4 : AD Channel 4                    |
| P13         | 30     | I/O     | ADC5 : AD Channel 5                    |
| P14         | 31     | I/O     | ADC6 : AD Channel 6                    |
| P15         | 32     | I/O     | ADC7 : AD Channel 7                    |
| P16         | 83     | I/O     | CUNET SCL                             |
| P17         | 84     | I/O     | CUNET SDA                             |
| P18         | 85     | I/O     | INT 2                                  |
| P19         | 86     | I/O     | INT 3                                  |
| P20         | 97     | I/O     |                                        |
| P21         | 98     | I/O     |                                        |
| P22         | 99     | I/O     | High Counter Channel 0                 |
| P23         | 100    | I/O     | High Counter Channel 1                 |
| P24 ~ P55   |        | Output  | Output only port                              |
| P56 ~ P108  |        | Input   | Input Only port                              |
| P88         | 81     | N/C     | do not use                      |
| P89         | 82     | I/O     | PWM3                                   |
| P90         | 95     | I/O     | PWM4 / INT0                            |
| P91         | 96     | I/O     | PWM5 / INT1                            |
| VDD         | 21,44  | IN      | Input Power 5.1V~5.5V                  |
| VSS         | 22,64  | IN      | GROUND                                 |
| RES         | 23     | IN      | Reset (Low Active)  |
| VBB         | 24     | IN      | Battery backup VCC                    |
| TX1         | 41     |         | RS232 ch1, +/- 12V Tx              |
| RX1         | 42     |         | RS232 ch1, +/- 12V Rx              |
| AVDD        | 43     |         | This pin Must be open          |
| TTLTX1      | 61     |         | RS232 ch1, 5V (TTL level) Tx          |
| TTLRX1      | 62     |         | RS232 ch1, 5V (TTL level) Rx          |
| AVREF       | 63     |         | ADC reference voltage                      |

[[cubloc:index|CUBLOC - Embedded Controller]]