ADUC7061BCPZ32-RL

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1. DESCRIPTION

The ADUC7061BCPZ32-RL series are fully integrated, 8 kSPS, 24-bit data acquisition systems incorporating high performance multichannel sigma-delta (Σ-Δ) analog-to-digital converters (ADCs), 16-bit/ 32-bit ARM7TDMI® MCU, and Flash/EE memory on a single chip. The ADCs consist of a primary ADC with two differential pairs or four single-ended channels and an auxiliary ADC with up to seven channels. The ADCs operate in single-ended or differential input mode. A single-channel buffered voltage output DAC is available on chip. The DAC output range is programmable to one of four voltage ranges. The devices operate from an on-chip oscillator and a PLL generating an internal high frequency clock up to 10.24 MHz. The microcontroller core is an ARM7TDMI, 16-bit/32-bit RISC machine offering up to 10 MIPS peak performance; 4 kB of SRAM and 32 kB of nonvolatile Flash/EE memory are provided on chip. The ARM7TDMI core views all memory and registers as a single linear array. The ADUC7061BCPZ32-RL contains four timers. Timer1 is a wake-up timer with the ability to bring the part out of power saving mode. Timer2 is configurable as a watchdog timer. A 16-bit PWM with six output channels is also provided. The ADUC7061BCPZ32-RL contains an advanced interrupt controller. The vectored interrupt controller (VIC) allows every interrupt to be assigned a priority level. It also supports nested interrupts to a maximum level of eight per IRQ and FIQ. When IRQ and FIQ interrupt sources are combined, a total of 16 nested interrupt levels is supported. On-chip factory firmware supports in-circuit serial download via the UART serial interface ports and nonintrusive emulation via the JTAG interface. The parts operate from 2.375 V to 2.625 V over an industrial temperature range of −40°C to +125°C. 

2. FEATURES

    1. Analog input/output

        - Dual (24-bit) ADCs

        - Single-ended and differential inputs

        - Programmable ADC output rate (4 Hz to 8 kHz)

        - Programmable digital filters

        - Built-in system calibration

        - Low power operation mode

    2. Microcontroller

        - ARM7TDMI core, 16-/32-bit RISC architecture

        - JTAG port supports code download and debug

        - Multiple clocking options

    3. Memory

        - 32 kB (16 kB × 16) Flash/EE memory, including 2 kB kernel

        - 4 kB (1 kB × 32) SRAM

    4. Tools

        - In-circuit download, JTAG based debug

        - Low cost, QuickStart™ development system

    5. Communications interfaces

    6. SPI interface (5 Mbps)

        - 4-byte receive and transmit FIFOs

    7. UART serial I/O and I2C (master/slave)

    8. Vectored interrupt controller for FIQ and IRQ

        - 8 priority levels for each interrupt type

        - Interrupt on edge or level external pin inputs

    9. 16-bit, 6-channel PWM

  10. General-purpose inputs/outputs

        - Up to 14 GPIO pins that are fully 3.3 V compliant

  11. Power

        - AVDD/DVDD specified for 2.5 V (±5%)

        - Active mode: 2.74 mA (@ 640 kHz, ADC0 active)

        - 10 mA (@ 10.24 MHz, both ADCs active)

  12. Packages and temperature range

        - Fully specified for −40°C to +125°C operation

        - 32-lead LFCSP (5 mm × 5 mm)

        - 48-lead LFCSP and LQFP

  13. Derivatives

        - 32-lead LFCSP (ADuC7061)

        - 48-lead LQFP and 48-lead LFCSP (ADuC7060)

3. APPLICATIONS

    1. Industrial automation and process control

    2. Intelligent, precision sensing systems, 4 mA to 20 mA loop-based smart sensors