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The ADuC831 is a fully integrated 247 kSPS data acquisition system incorporating a high performance self-calibrating multi-channel 12-bit ADC, dual 12-bit DACs, and programmable 8-bit MCU on a single chip. The microcontroller core is an 8052, and therefore 8051-instruction-set compatible with 12 core clock periods per machine cycle. 62 kBytes of nonvolatile Flash/EE program memory are provided on-chip. Four kBytes of nonvolatile Flash/EE data memory, 256 bytes RAM and 2 kBytes of extended RAM are also integrated on-chip. The ADuC831 also incorporates additional analog functionality with two 12-bit DACs, power supply monitor, and a band gap reference. On-chip digital peripherals include two 16-bit Σ-∆ DACs, dual output 16-bit PWM, watchdog timer, time interval counter, three timers/counters, Timer 3 for baud rate generation and serial I/O ports (I2C, SPI and UART). On-chip factory firmware supports in-circuit serial download and debug modes (via UART), as well as single-pin emulation mode via the EA pin. The ADuC831 is supported by QuickStart™ and QuickStart Plus development systems featuring low cost software and hardware development tools. The part is specified for 3 V and 5 V operation over the extended industrial temperature range, and is available in a 52-lead plastic quad flatpack package and in a 56-lead chip scale package. Applications Optical networking—laser power control Base station systems Precision instrumentation, smart sensors Transient capture systems DAS and communications systems
| Количество в упаковке | 96 |
| Корпус | PQFP52 |
| Вес | 1.979 г |
| number_of_i_o_pins | 34 |
| supply_voltage_dc | 5.00 V, 5.50 V (max) |
| access_time | 16.0 µs |
| reach_svhc_compliance | No SVHC |
| lead_free_status | Contains Lead |
| mounting_style | Surface Mount |
| packaging | Bulk |
| memory_size | 62000 B |
| resolution_bits | 12.0 |
| clock_speed | 16.0 MHz (max) |
| core_architecture | 8052 |
| lifecycle_status | Active |
| number_of_bits | 8 |
| rohs_status | Compliant |
| pin_count | 52 |
| flash_memory_bytes | 63488 B |
| ram_bytes | 2048 B |
| Controller Family/Series | ADuC8xx |
| CPU Speed | 16MHz |
| Program Memory Size | 62KB |
| RAM Memory Size | 2KB |
| No. of Pins | 52Pins |
| MCU Case Style | LQFP |
| No. of I/O's | 34I/O's |
| Embedded Interface Type | I2C, SPI, UART |
| Supply Voltage Min | 2.7V |
| Supply Voltage Max | 3.3V |
| Packaging | Each |
| Product Range | ADUC MicroConverters |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 3 - 168 hours |
| SVHC | No SVHC (07-Jul-2017) |
| EEPROM Memory Size | 62KB |
| IC Generic Number | 831 |
| Logic Function Number | 831 |
| MPU Core Size | 8bit |
| Memory Type | Flash EEPROM |
| Microprocessor/Controller Features | 8-Channel, 247 kSPS 12-Bit ADC, DMA Controller for High Speed ADC-to-RAM Capture, 2 12-Bit (Monotonic) Voltage Output DACs, Dual Output PWM/ - DACs, On-Chip Temperature Sensor Function ± 3 C, On-Chip Voltage Reference, 62 kBytes On-Chip Flash/EE Program M |
| No. of ADC Inputs | 8 |
| No. of Bits | 8bit |
| No. of PWM Channels | 2 |
| No. of Timers | 3 |
| Number of bits In Timer | 16 |
| Number of bits in ADC | 12 |
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