8-bit microcontroller featuring a 6805 CPU core, operating at a maximum clock frequency of 4.2 MHz and a speed of 2.1 MHz. This HCMOS device offers 32 I/O lines, 176 bytes of RAM, and 6462 words of OTPROM for programmability. It includes PWM channels, ADC, and DAC capabilities, with supply voltage ranging from 4.5V to 5.5V. Packaged in a 56-terminal PDIP (SDIP-56), it operates within a commercial temperature grade of 0°C to 70°C.
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Motorola MC68HC705B5B technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 56 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T56 |
| Width | 15.24 |
| Length | 52.07 |
| Temperature Grade | COMMERCIAL |
| Supply Current-Max | 6 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 4.2 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 32 |
| External Data Bus Width | 0 |
| Address Bus Width | 0 |
| Bit Size | 8 |
| Speed | 2.1 |
| ROM Programmability | OTPROM |
| ROM (words) | 6462 |
| RAM (bytes) | 176 |
| PWM Channels | YES |
| Has ADC | YES |
| DMA Channels | NO |
| DAC Channels | YES |
| RoHS | No |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
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