ADUC7021 Datasheet | Analog Devices

FEATURES Analog I/O Multichannel, 12-bit, 1 MSPS ADC Up to 16 ADC channels1 Fully differential and single-ended modes 0 V to VREF analog input range 12-bit voltage output DACs Up to 4 DAC outputs available1 On-chip voltage reference On-chip temperature sensor (±3°C) Voltage parator Microcontroller ARM7TDMI core, 16-bit/32-bit RISC architecture JTAG port supports code download and debug Clocking options Trimmed on-chip oscillator (±3%) External watch crystal External clock source up to 44 MHz 41.78 MHz PLL with programmable divider Memory 62 k B Flash/EE memory, 8 k B SRAM In-circuit download, JTAG-based debug Software-triggered in-circuit reprogrammability On-chip peripherals UART, 2× I2C and SPI serial I/O Up to 40-pin GPIO port1 4× general-purpose timers Wake-up and watchdog timers (WDT) Power supply monitor 3-phase, 16-bit PWM generator1 Programmable logic array (PLA) External memory interface, up to 512 k B1 Power Specified for 3 V operation Active mode: 11 m A at 5 MHz, 40 m A at 41.78 MHz Packages and temperature range From 40-lead 6 mm × 6 mm LFCSP to 80-lead LQFP1 Fully specified for - 40°C to +125°C operation Tools Low cost Quick Start development system Full third-party support APPLICATIONS Industrial control and automation systems Smart sensors, precision instrumentation Base station systems, optical networking FUNCTIONAL BLOCK DIAGRAM ADC0 TO ADC4, ADC12 TO ADC14 ADC15 CMP0 CMP1 CMPOUT VREF XCLKI XCLKO 1MSPS 12-BIT ADC TEMP SENSOR BAND GAP REF ADu C7019 12-BIT DAC 12-BIT DAC 12-BIT DAC OSC AND PLL ARM7TDMI-BASED MCU WITH ADDITIONAL PERIPHERALS 2k × 32 SRAM 31k × 16 FLASH/EEPROM GPIO 4 GENERAL- SERIAL I/O PURPOSE TIMERS UART, SPI, I2C JTAG 3-PHASE PWM (SEE NOTE 1) DAC0 DAC1...