BDMICRO MICROCONTROLLERS
Comparison Matrix
Use the following table to help you select the BDMICRO controller
that best suits your needs.
|
MAVRIC-IB
|
MAVRIC-IIB
|
| BASE PRICE | $119 | $99 |
| CPU | ATmega128 | ATmega128 |
| CLOCK SPEED | 16 MHz or 14.7456 MHz | 16 MHz or 14.7456 MHz |
| FLASH (program space) | 128K | 128K |
| SRAM (data/variable space) | 4K internal, 128K external | 4K (upgradable to 128K using MAVRIC-II-RE) |
| EEPROM | 4K internal + 32K I2C serial | 4K |
| RS232 | 2 | 2 |
| RS485 | 1 | 1 |
| I2C Bus Pull-ups | Yes | Yes |
| I2C Serial Real Time Clock (RTC) | Yes | No |
| I2C RTC battery backup | On-Board | n/a |
| Available I/O | 51 | 51 |
| Screw Terminals Connections | Vcc, Gnd, RS485 | Power, Gnd, RS232, RS485 |
| Screw Terminals for I/O Headers | Optional | Optional |
| 10-bit A/D | 8 | 8 |
| Hardware PWM | 6 | 6 |
| Servo Headers | no | 6 |
| Separate Servo Power | n/a | Yes |
| ISP Header (In-System-Programmable) | Yes | Yes |
| JTAG Header (programming and debugging) | Yes | Yes |
| Options Selection | DIP Switch | DIP Switch |
| Supply Voltage | 5.5-15V | 5.5-15V |
| Reverse Polarity Hookup Protection | Yes | Yes |
| 32 KHz Alternate Clock Source for Timer 0 | No | No |
| Size (inches) | 3x3.6 | 2.2x3.6 |
| Mounting Holes | 4 (corners) | 4 (corners) |
|
