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ADUC7126BSTZ126

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ADUC7126BSTZ126 Overview

The devices operate from an on-chip oscillator and a PLL generating an internal high frequency clock of 41.78 MHz. This clock is routed through a programmable clock divider from which the MCU core clock operating frequency is generated. The microcontroller core is an ARM7TDMI®, 16-bit/32-bit RISC machine, which offers up to 41 MIPS peak performance. Thirty-two kilobytes of SRAM and 126 kB of nonvolatile Flash/EE memory are provided on-chip. The ARM7TDMI core views all memory and registers as a single linear array.

The ADuC7124 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 are supported.On-chip factory firmware supports in-circuit download via the UART serial interface port or the I2C port, while nonintrusive emulation is also supported via the JTAG interface. These features are incorporated into a low cost QuickStart™ Development System supporting this MicroConverter® family.The part contains a 16-bit PWM with six output signals.For communication purposes, the part contains 2× I2C channels that can be individually configured for Master or Slave mode. An SPI interface supporting both master and slave modes is also provided. Thirdly, 2× UART channels are provided. Each UART contains a configurable 16-bit FIFO with the receive and transmit buffers.

The parts operate from 2.7 V to 3.6 V and are specified over an industrial temperature range of −40°C to +125°C. When operating at 41.78 MHz, the power dissipation is typically 120 mW. The ADuC7124 is available in either 64-lead LFCSP or 80-lead LFQFP packages.

Applications
  • Industrial control and automation systems
  • Smart sensors, precision instrumentation
  • Base station systems, optical networking
  • Patient monitoring

Features

  • Multichannel, 12-bit, 1 MSPS ADCUp to 16 ADC channels
  • Fully differential and single-ended modes
  • 0 V to VREF analog input range
  • 12-bit voltage output DACsUp to 4 DAC outputs available
  • On-chip voltage reference
  • On-chip temperature sensor (±3°C)
  • Voltage comparator
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
  • See data sheet for additional features

Applications

MicroConverter? ADuC7xxx

Specifications

  • Core Processor ARM7?

  • Speed 41.78MHz

  • Operating Temperature -40℃ ~ 125℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 8K x 32

  • Number of I/O 40

  • Peripherals POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 80-LQFP (12x12)

  • Package / Case 80-LQFP

  • Core Size 16/32-Bit

  • Connectivity EBI/EMI, I2C, SPI, UART/USART

  • Program Memory Size 126KB (63K x 16)

  • Data Converters A/D 12x12b; D/A 4x12b

  • Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V

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