ADUC814BRUZ Part Information

Details for ADUC814BRUZ by Analog Devices

Electronic & Electrical Components>Semiconductors - ICs>Microcontrollers - MCU

Part Description

The ADuC814 is a fully integrated 247 kSPS, 12-bit data acquisi- tion system incorporating a high performance multichannel ADC, an 8-bit MCU, and program/data Flash/EE memory on a single chip. This low power device operates from a 32 kHz crystal with an on-chip PLL generating a high frequency clock of 16.78 MHz. This clock is, in turn, routed through a programmable clock divider from which the MCU core clock operating frequency is generated. The microcontroller core is an 8052 and is compatible with an 8051 instruction. 8 kBytes of nonvolatile Flash/EE program memory are provided on-chip. 640 bytes of nonvolatile Flash/EE data memory and 256 bytes RAM are also integrated on-chip. The ADuC814 also incorporates additional analog functionality with dual 12-bit DACs, a power supply monitor, and a band gap reference. On-chip digital peripherals include a watchdog timer, time interval counter, three timer/counters, and two serial I/O ports (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 DLOAD pin. The ADuC814 is supported by a QuickStart™ Development System. The part operates from a single 3 V or 5 V supply over the extended temperature range −40°C to +125°C.When operating from 3 V supplies, the power dissipation for the part is below 10 mW. The ADuC814 is housed in a 28-lead TSSOP package.

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Part Features

  • ANALOG I/O 6-channel 247 kSPS ADC 12-bit resolution ADC high speed data capture mode Programmable reference via on-chip DAC for low level inputs, ADC performance specified to VREF = 1 V Dual voltage output DACs 12-bit resolution, 15 u00b5s settling time Memory 8 kbytes on-chip Flash/EE program memory 640 bytes on-chip Flash/EE data memory Flash/EE, 100 year retention, 100 kcycle endurance 3 levels of Flash/EE program memory security In-circuit serial downlaod (no external hardware) 256 bytes on-chip data RAM 8051 based core 8051 compatible instruction set 32 kHz external crystal, on-chip programmable PLL (16.78 MHz max) Three 16-bit timer/counters 11 programmable I/O lines 11 interrupt sources, 2 priority levels Power Specified for 3 V and 5 V operation Normal: 3 mA @ 3 V (core CLK = 2.1 MHz) Power-down: 15 u00b5A (32 kHz oscillator running) On-chip peripherals Power-on reset circuit (no need for external POR device) Temperature monitor (u00b11.5u00b0C accuracy) Precision voltage reference Time interval counter (wake-up/RTC timer) UART serial I/O SPIu00ae/I2Cu00ae compatible serial I/O Watchdog timer (WDT), power supply monitor (PSM) Package and temperature range 28-lead TSSOP 4.4 mm u00d7 9.7 mm package Fully specified for u221240u00b0C to +125u00b0C operation

Part Specifications

Product Range ADUC Family ADUC8 Series Microcontrollers
CPU Speed 16.78MHz
Program Memory Size 8KB, 8KB
RAM Memory Size 256Byte
No. of Pins 28Pins
MCU Case Style TSSOP
No. of I/O's 17I/O's
Embedded Interface Type I2C SPI UART
Supply Voltage Min 2.7V
Supply Voltage Max 3.3V
MCU Family ADuC
MCU Series ADUC8
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (07-Jul-2017)
Controller Family/Series (8052) ADuC
EEPROM Memory Size 640Byte
MPU Core Size 8bit
Operating Temperature Max 125°C
Operating Temperature Min -40°C
Peripherals ADC Comparator DAC PWM Timer
RoHS Compliant

Alternative Part Descriptions

  • Microcontroller,814BRU 8k 3/5V ADC-12 B | RS Components

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