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參數(shù)資料
| 型號： | ADUC842 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | ADC |
| 英文描述： | CON, RTANG 68 POS |
| 中文描述： | 12 -位ADC和DAC的嵌入式高新技術(shù)高速62KB閃存微控制器 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 217K |
| 代理商： | ADUC842 |
REV. PrB
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
ADuC842 MicroConverter 12- Bit ADCs and DACs
with Embedded Hi-Speed 62KB FLASH MCU
Preliminary Technical Data
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A
Tel: 781/329-4700
Fax: 781/326-8703
www.analog.com
Analog Devices, Inc., 200
3
ADuC842
FE A T U R E S
PIN COMPA TA BLE
Upgrade to ADuC812/ADuC832
INCREA S ED PERFORMA NCE
S ingle Cycle 16MIPS 8052 core
High S peed 400kS PS 12-Bit ADC
INCREA S ED MEMORY
62Kbytes On-Chip Flash/EE Program Memory
4KBytes On-Chip Flash/EE Data Memory
In circuit re-programmable
Flash/EE, 100 Yr Retention, 100 Kcycles Endurance
2304 Bytes On-Chip Data RAM
S MA LLER PA CKA GE
Available in 8mm x 8mm Chip S cale Package
Also available in 52 pin PQFP - pin compatable w ith
ADuC812/ADuC831
ANALOG I/O
8-Channel, 400kS PS High Accuracy, 12-Bit ADC
On-Chip, 20 ppm/
o
C V oltage Reference
DMA Controller, High-Speed ADC-to-RAM capture
Tw o 12-Bit V oltage Output DACs
Dual Output PW M-
On-Chip Temperature Monitor Function
8051 Based Core
8051-Compatible Instruction S et (16.7 MHz Max)
High performance S ingle Cycle Core*
32kHz Ext Crystal,On-Chip Programmable-PLL
12 Interrupt S ources, Tw o Priority Levels
Dual Data Pointers, Extended 11-bit Stack Pointer
On-Chip Peripherals
Time Interval Counter (TIC)
UART, I2C and S PI
S erial I/O
Watchdog Timer (WDT),
Power Supply Monitor (PSM)
Pow er
Normal: 6mA @ 5 V (Core CLK = 2.098 MHz)
Power-Down: 15
μ
A @ 3 V
Development Tools
Low Cost, comprehensive development system
incorporating non-intrusive single pin emulation
IDE based, assembly and C source debug
DACs
A PPLICA T IONS
Optical Netw orking - Laser Pow er Control
Basestation S ystems
Precision Instrumentation, S mart S ensors
Transient Capture S ystems
DA S and Communications S ystems
MicroC onverter is a registered trademark of Analog D evices, Inc.
SPI is a registered trademark of Motorola Inc.
* 68% of insturctions completed in one or two clock cycles
F U NC T IONAL BL OC K D IAG RAM
G E NE R A L D E SC R IP T ION
The ADuC842 is a complete smart transducer front-end, inte-
grating a high-performance self calibrating multichannel ADC,
dual DAC and an optimized single cycle 16MHz 8-bit
MCU(8051 instruction set compatible) on a single chip.
The device operates from a 32 kHz crystal with an on-chip PLL
generating a high-frequency clock of 16.77MHz. T his clock is,
in turn, routed through a programmable clock divider from
which the MCU core clock operating frequency is generated.
The microcontroller is an optimized 8052 core offering up to 16
MIPS peak performance. 62 Kbytes of nonvolatile Flash/EE
program memory are provided on-chip. 4 Kbytes of nonvolatile
Flash/EE data memory, 256 bytes RAM and 2 KBytes of ex-
tended RAM are also integrated on-chip.
T he ADuC842 also incorporates additional analog functionality
with two 12-bit DACs, power supply monitor, and a bandgap
reference. On-chip digital peripherals include two 16-bit
Σ
DACs, dual output 16-bit PWM, watchdog timer, time interval
counter, three timers/counters, and three serial I/O ports (SPI,
I2C and UART ).
On the ADuC812 and ADuC832 the I2C and SPI interfaces
shared some of the same pins. For backwards compatability
this is also the case for the ADuC842. However, there is also
the option to allow SPI operate separately on P3.3, P3.4 and
P3.5 while I2C uses the standard pins. T he I2C interface has
also been enhanced to offer repeated start, general call and
quad addressing.
On-chip factory firmware supports in-circuit serial download and
debug modes (via UART), as well as single-pin emulation mode
via the EA pin. A functional block diagram of the ADuC842 is
shown above.
The part is specified for 3V and 5V operation with a maximum
operating frequency of 16.777MHz.
12-BIT
DAC
BUF
DAC
62 K BY TES FLA SH/EE PROGRAM M EMO RY
4 KB YTES FLA SH/E E DATA MEM ORY
2304 BY TE S US ER RAM
3
×
16 B IT TIM ERS
1
×
RE AL TIM E CLOCK
4
×
P ARALLE L
P ORTS
16MIP S 8051-B ASED MCU WITH ADDIT IONA L
PE RIP HERALS
POW ER S UP PLY M ON
WA TCHDO G TIME R
UART , I2C AND SPI
SERIA L I/O
ADuC842
XT AL2
X TAL1
TEM P
S ENSO R
VRE F
INTE RNAL
BA NDG AP
V REF
ADC0
ADC1
.
.
.
ADC5
ADC6
ADC7
400 K SP S
12-B IT A DC
MUX
OSC
MUX
16-BIT
PWM
T/H
16-BIT
Σ
DAC
16-BIT
Σ
DAC
16-BIT
PWM
P WM 0
PW M1
12-BIT
DAC
BUF
DAC
HARDWARE
CALIBRA TION
P LL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADUC842BCP | 12- Bit ADCs and DACs with Embedded Hi-Speed 62KB FLASH MCU |
| ADUC842BS | 12- Bit ADCs and DACs with Embedded Hi-Speed 62KB FLASH MCU |
| ADUC844BS62-5 | MicroConverter, Dual 16-Bit/24-Bit ADCs with Embedded 62kB FLASH MCU |
| ADUC844BS62-3 | MicroConverter, Dual 16-Bit/24-Bit ADCs with Embedded 62kB FLASH MCU |
| ADUC844BCP32-5 | MicroConverter, Dual 16-Bit/24-Bit ADCs with Embedded 62kB FLASH MCU |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADUC842BCP | 制造商:AD 制造商全稱:Analog Devices 功能描述:12- Bit ADCs and DACs with Embedded Hi-Speed 62KB FLASH MCU |
| ADUC842BCP32-3 | 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 16.7MHZ 3.3V 56LFCSP - Bulk 制造商:Analog Devices 功能描述: |
| ADUC842BCP32-5 | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 5V 56-Pin LFCSP EP |
| ADUC842BCP62-3 | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3V 56-Pin LFCSP EP |
| ADUC842BCP62-3U | 制造商:Analog Devices 功能描述:MICROCONVERTER 1-CYCLE VERSION ADUC833 - Trays |
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