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ADuC842

Features: `Pin compatable ugrade of ADuC812/ADuC831/ADuC832Increased performanceSingle-cycle 20 MIPS 8052 coreHigh speed 420 kSPS 12-bit ADCIncreased memoryUp to 62 kBytes on-chip Flash/EE program memory4 kBytes on-chip Flash/EE data memoryIn-circuit reprogrammableFlash/EE, 100 year retention, 100...

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ADuC842: Features: `Pin compatable ugrade of ADuC812/ADuC831/ADuC832Increased performanceSingle-cycle 20 MIPS 8052 coreHigh speed 420 kSPS 12-bit ADCIncreased memoryUp to 62 kBytes on-chip Flash/EE program m...

ADuC842 Data Sheet

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Part Number:
ADuC842
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/29

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Product Details

Description



Features:

`Pin compatable ugrade of ADuC812/ADuC831/ADuC832
Increased performance
Single-cycle 20 MIPS 8052 core
High speed 420 kSPS 12-bit ADC
Increased memory
Up to 62 kBytes on-chip Flash/EE program memory
4 kBytes on-chip Flash/EE data memory
In-circuit reprogrammable
Flash/EE, 100 year retention, 100 kCycle endurance
2304 bytes on-chip data RAM
Smaller package
8 mm * 8 mm chip scale package
52-lead PQFP-pin compatable upgrade
`Analog I/O
8-channel, 420 kSPS high accuracy, 12-bit ADC
On-chip, 15 ppm/°C voltage reference
DMA controller, high speed ADC-to-RAM capture
Two 12-bit voltage output DACs1
Dual output PWM -∆ DACs
On-chip temperature monitor function
`8052 based core
8051 compatible instruction set (20 MHz max)
`High performance single-cycle core
32 kHz external crystal, on-chip programmable PLL
12 interrupt sources, 2 priority levels
Dual data pointers, extended 11-bit stack pointer
`On-chip peripherals
Time interval counter (TIC)
UART, I2C®, and SPI® Serial I/O
Watchdog timer (WDT)
`Power supply monitor (PSM)
Power
Normal: 4.5 mA @ 3 V (core CLK = 2.098 MHz)
Power-down: 10 µA @ 3 V2
`Development tools
Low cost, comprehensive development system
incorporating nonintrusive single-pin emulation,
IDE based assembly and C source debugging


Application

`Optical networking-laser power control
`Base station systems
`Precision instrumentation, smart sensors
`Transient capture systems
`DAS and communications systems


Specifications

Parameter Rating
AVDD to DVDD
AGND to DGND
DVDD to DGND, AVDD to AGND
Digital Input Voltage to DGND
Digital Output Voltage to DGND
VREF to AGND
Analog Inputs to AGND
Operating Temperature Range,
Industrial
ADuC841BS,ADuC842BS,ADuC843BS
ADuC841BCP, ADuC842BCP,
ADuC843BCP
Storage Temperature Range
Junction Temperature
JA Thermal Impedance (ADuC84xBS)
JA Thermal Impedance (ADuC84xBCP)
Lead Temperature, Soldering
Vapor Phase (60 sec)
Infrared (15 sec)		 0.3 V to +0.3 V
0.3 V to +0.3 V
0.3 V to +7 V
0.3 V to DVDD + 0.3 V
0.3 V to DVDD + 0.3 V
0.3 V to AVDD + 0.3 V
0.3 V to AVDD + 0.3 V

40°C to +85°C


65°C to +150°C
150°C
90°C/W
52°C/W

215°C
220°C



Description

The ADuC841/ADuC842/ADuC843 are complete smart transducer front ends, that integrates a high performance selfcalibrating multichannel ADC, a dual DAC, and an optimized single-cycle 20 MHz 8-bit MCU (8051 instruction set compatible) on a single chip.

The ADuC841/ADuC842/ADuC843  are identical with the exception of the clock oscillator circuit; the ADuC841 is clocked directly from an external crystal up to 20 MHz whereas the ADuC842 uses a 32 kHz crystal with an on-chip PLL generating a programmable core clock up to 16.78 MHz.

The ADuC843 is identical to the ADuC842 except that the ADuC843 has no analog DAC outputs. The microcontroller is an optimized 8052 core offering up to 20 MIPS peak performance. Three different memory options of ADuC841/ADuC842/ADuC843  are available offering up to 62 kBytes of nonvolatile Flash/EE program memory. Four kBytes of nonvolatile Flash/EE data memory, 256 bytes RAM, and 2 kBytes of extended RAM are also integrated on-chip.




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