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| 型号： | ADUC836BSZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/80页 |
| 文件大小： | 0K |
| 描述： | IC ADC DUAL 16BIT W/MCU 52-MQFP |
| 产品培训模块： | Process Control |
| 标准包装： | 1 |
| 系列： | MicroConverter® ADuC8xx |
| 核心处理器： | 8052 |
| 芯体尺寸： | 8-位 |
| 速度： | 12.58MHz |
| 连通性： | EBI/EMI，I²C，SPI，UART/USART |
| 外围设备： | POR，PSM，PWM，温度传感器，WDT |
| 输入/输出数： | 34 |
| 程序存储器容量： | 62KB（62K x 8） |
| 程序存储器类型： | 闪存 |
| EEPROM 大小： | 4K x 8 |
| RAM 容量： | 2.25K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.7 V ~ 5.25 V |
| 数据转换器： | A/D 7x16b; D/A 1x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 52-QFP |
| 包装： | 托盘 |
| 产品目录页面： | 738 (CN2011-ZH PDF) |
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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
that may result from its use. No license is granted by implication or other-
wise under any patent or patent rights of Analog Devices.Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
2003 Analog Devices, Inc. All rights reserved.
ADuC836
MicroConverter, Dual 16-Bit -
ADCs with Embedded 62 kB Flash MCU
FEATURES
High Resolution - ADCs
2 Independent ADCs (16-Bit Resolution)
16-Bit No Missing Codes, Primary ADC
16-Bit rms (16-Bit p-p) Effective Resolution @ 20 Hz
Offset Drift 10 nV/C, Gain Drift 0.5 ppm/C
Memory
62 Kbytes On-Chip Flash/EE Program Memory
4 Kbytes On-Chip Flash/EE Data Memory
Flash/EE, 100 Year Retention, 100 Kcycles Endurance
3 Levels of Flash/EE Program Memory Security
In-Circuit Serial Download (No External Hardware)
High Speed User Download (5 Seconds)
2304 Bytes On-Chip Data RAM
8051 Based Core
8051 Compatible Instruction Set
32 kHz External Crystal
On-Chip Programmable PLL (12.58 MHz Max)
3 16-Bit Timer/Counter
26 Programmable I/O Lines
11 Interrupt Sources, 2 Priority Levels
Dual Data Pointer, Extended 11-Bit Stack Pointer
On-Chip Peripherals
Internal Power on Reset Circuit
12-Bit Voltage Output DAC
Dual 16-Bit - DACs/PWMs
On-Chip Temperature Sensor
Dual Excitation Current Sources
Time Interval Counter (Wake-Up/RTC Timer)
UART, SPI, and I2C Serial I/O
High Speed Baud Rate Generator (Including 115,200)
Watchdog Timer (WDT)
Power Supply Monitor (PSM)
Power
Normal: 2.3 mA Max @ 3.6 V (Core CLK = 1.57 MHz)
Power-Down: 20 A Max with Wake-Up Timer Running
Specified for 3 V and 5 V Operation
Package and Temperature Range
52-Lead MQFP (14 mm 14 mm), –40C to +125C
56-Lead LFCSP (8 mm 8 mm), –40C to +85C
APPLICATIONS
Intelligent Sensors
Weigh Scales
Portable Instrumentation, Battery-Powered Systems
4–20 mA Transmitters
Data Logging
Precision System Monitoring
FUNCTIONAL BLOCK DIAGRAM
62 KBYTES FLASH/EE PROGRAM MEMORY
4 KBYTES FLASH/EE DATA MEMORY
2304 BYTES USER RAM
3 16 BIT TIMERS
BAUD R ATE TIMER
4 PARALLEL
PORTS
8051-BASED MCU WITH ADDITIONAL
PERIPHERALS
POWER SUPPLY MON
WATCHDOG TIMER
UART, SPI, AND I2C
SERIAL I/O
ADuC836
XTAL2
XTAL1
BUF
AGND
REFIN+
REFIN–
INTERNAL
BAND GAP
VREF
AIN1
AIN2
AIN3
AIN4
AIN5
AUXILIARY
16-BIT - ADC
PRIMARY
16-BIT
- ADC
MUX
OSC
AVDD
MUX
PGA
DUAL
16-BIT
- DAC
BUF
DAC
CURRENT
SOURCE
AVDD
IEXC1
IEXC2
PWM0
PWM1
DUAL
16-BIT
PWM
WAKE- UP/
RTC TIMER
TEMP
SENSOR
EXTERNAL
VREF
DETECT
12-BIT
DAC
MUX
DGND
DVDD
RESET
POR
PLL AND PROG
CLOCK DIV
GENERAL DESCRIPTION
The ADuC836 is a complete smart transducer front end, integrating
two high resolution - ADCs, an 8-bit MCU, and program/data
Flash/EE memory on a single chip.
The two independent ADCs (primary and auxiliary) include a
temperature sensor and a PGA (allowing direct measurement
of low level signals).The ADCs with on-chip digital filtering and
programmable output data rates are intended for the measure-
ment of wide dynamic range, low frequency signals, such as those
in weigh scale, strain gage, pressure transducer, or temperature
measurement applications.
The device operates from a 32 kHz crystal with an on-chip PLL
generating a high frequency clock of 12.58 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 8052 and therefore 8051 instruction set compatible
with 12 core clock periods per machine cycle.
62 Kbytes of nonvolatile Flash/EE program memory, 4 Kbytes of
nonvolatile Flash/EE data memory, and 2304 bytes of data RAM
are provided on-chip.The program memory can be configured as
data memory to give up to 60 Kbytes of NV data memory in data
logging applications.
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.The ADuC836 is supported by a QuickStart
development system featuring low cost software and hardware
development tools.
REV. A
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