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參數(shù)資料
型號: ADUC7020
廠商: Analog Devices, Inc.
英文描述: Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
中文描述: 精密模擬微控制器的12位模擬I / O,ARM7TDMI的微控制器
文件頁數(shù): 1/80頁
文件大小: 840K
代理商: ADUC7020
Precision Analog Microcontroller
12-bit Analog I/O,
ARM7TDMI MCU
ADuC702x Series
Preliminary Technical Data
FEATURES
Analog I/O
Multi-Channel, 12-bit, 1MSPS ADC
- Up to 16 ADC channels *
Fully differential and single-ended modes
0 to V
REF
Analog Input Range
12-bit Voltage Output DACs
- Up to 4 DAC outputs available*
On-Chip 20ppm/°C Voltage Reference
On-Chip Temperature Sensor (±3°C)
Uncommitted Voltage Comparator
Microcontroller
ARM7TDMI Core, 16/32-bit RISC architecture
JTAG Port supports code download and debug
Clocking options: - Trimmed On-Chip Oscillator (± 3%)
- External Watch crystal
- External clock source
45MHz PLL with Programmable Divider
Memory
62k Bytes Flash/EE Memory, 8k Bytes SRAM
In-Circuit Download, JTAG based Debug
Software triggered in-circuit re-programmability
On-Chip Peripherals
UART, 2 X I
2
C and SPI Serial I/O
Up to 40-Pin GPIO Port*
4 X General Purpose Timers
Wake-up and Watchdog Timers
Power Supply Monitor
Three-phase 16-bit PWM generator*
PLA – Programmable Logic (Array)
Power
Specified for 3V operation
Active Mode: 3mA (@1MHz)
50mA (@45MHz)
Packages and Temperature Range
From 40 lead 6x6mm LFCSP to 80 pin LQFP*
Fully specified for –40°C to 125°C operation
Tools
Low-Cost QuickStart Development System
Full Third-Party Support
* Package, PWM, GPIO availability and number of Analog I/O
depend on part model. See page 9.
APPLICATIONS
Industrial Control and Automation Systems
Smart Sensors, Precision Instrumentation
Base Station Systems, Optical Networking
(See general description on page 11)
FUNCTIONAL BLOCK DIAGRAM
1MSPS
12-BIT ADC
ADC0
+
-
CMP0
CMP1
CMP
OUT
V
REF
.
.
ADC11
ARM7TDMI-BASED MCU WITH
ADDITIONAL PERIPHERALS
RST
ADuC7026*
MUX
BANDGAP
REF
TEMP
SENSOR
2kX32 SRAM
31kX16 FLASH/EEPROM
GPIO
JTAG
4 GEN. PUR-
POSE TIMERS
SERIAL I/O
UART, SPI, I2C
PLA
POR
OSC
& PLL
PSM
PWM0L
PWM1H
PWM1L
PWM2H
PWM2L
PWM0H
Three-
phase
PWM
DAC0
12-BIT DAC
DAC3
12-BIT DAC
DAC2
12-BIT DAC
DAC1
12-BIT DAC
XCLKI
XCLKO
EXT. MEMORY
INTERFACE
Figure 1
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 that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
Tel: 781.329.4700
www.analog.com
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