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參數(shù)資料
| 型號： | ADUC7022BCP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 45.5 MHz, RISC MICROCONTROLLER, QCC40 |
| 封裝： | 6 X 6 MM, MO-220VJJD-2, LFCSP-40 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 199K |
| 代理商： | ADUC7022BCP |
Precision Analog Microcontroller
Small Package, 12-bit Analog I/O, ARM7TDMI MCU
Preliminary Technical Data
ADuC7020/ADuC7021/ADuC7022
FEATURES
Analog I/O
Multi-Channel, 12-bit, 1MSPS ADC
- 5 Channels on the ADuC7020
- 8 Channels on the ADuC7021
- 10 Channels on the ADuC7022
Differential and single-ended modes
0 to Vref Analog Input Range
Multi-Channel 12-bit Voltage Output DACs
- 4 Outputs on the ADuC7020
- 2 Outputs on the ADuC7021
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 (± 2%)
- 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, dual I2C and SPI Serial I/O
14-Pin GPIO Port
2 X General Purpose Timers
Wake-up and Watchdog Timers
Power Supply Monitor
PLA – Programmable Logic (Array)
Power
Specified for 3V operation
Active Mode:
6mW (@1MHz)
300mW (@45MHz)
Packages and Temperature Range
40 Pin LFCSP 6x6mm body package
Fully specified for –40°C to 85°C operation
Tools
Low-Cost QuickStart Development System
Full Third-Party Support
APPLICATIONS
Optical Networking – Laser Power Control
Base Station Systems
Precision Instrumentation, Smart Sensors
Optical Transceivers – Digital Diagnostic Monitoring
(See general description on page 10)
FUNCTIONAL BLOCK DIAGRAM
1MSPS
12-BIT ADC
MUX
TEMP
SENSOR
ADC0
+
-
CMP0
CMP1
CMPOUT
VREF
BANDGAP
REF
ADC5*
..
.
..
.
ADC9**
ARM7TDMI-BASED MCU WITH
ADDITIONAL PERIPHERALS
2kX32 SRAM
31kX16 FLASH/EEPROM
GPIO
JTAG
4 GEN. PUR-
POSE TIMERS
SERIAL I/O
UART, SPI, 2xI2C
PLA
RST
POR
OSC
&PLL
PSM
ADuC7020
ADuC7021
ADuC7022
* not on the ADuC7020
** ADuC7022 only
*** not on the ADuC7022
**** ADuC7020 only
DAC0***
12-BIT DAC
DAC3****
12-BIT DAC
DAC2****
12-BIT DAC
DAC1***
12-BIT DAC
ADC7*
ADC8**
..
.
..
.
Figure 1
Rev. PrC
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is as sumed 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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703
2004 Analog Devices, Inc. All rights reserved.
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