ADUC702X Analog Devices, ADUC702X Datasheet
ADUC702X
Manufacturer Part Number
ADUC702X
Description
Precision Analog Microcontroller 12-bit Analog I/O/ ARM7TDMI MCU
Manufacturer
Analog Devices
Datasheet
1.ADUC702X.pdf
(80 pages)
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Preliminary Technical Data
FEATURES
Analog I/O
Microcontroller
Clocking options: - Trimmed On-Chip Oscillator (± 3%)
Memory
On-Chip Peripherals
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.
Multi-Channel, 12-bit, 1MSPS ADC
Fully differential and single-ended modes
0 to V
12-bit Voltage Output DACs
On-Chip 20ppm/°C Voltage Reference
On-Chip Temperature Sensor (±3°C)
Uncommitted Voltage Comparator
62k Bytes Flash/EE Memory, 8k Bytes SRAM
In-Circuit Download, JTAG based Debug
Software triggered in-circuit re-programmability
UART, 2 X I
Up to 40-Pin GPIO Port*
ARM7TDMI Core, 16/32-bit RISC architecture
JTAG Port supports code download and debug
45MHz PLL with Programmable Divider
- Up to 16 ADC channels *
- Up to 4 DAC outputs available*
REF
Analog Input Range
2
C and SPI Serial I/O
- External Watch crystal
- External clock source
CMP
XCLKO
ADC0
ADC11
CMP0
CMP1
XCLKI
V
RST
OUT
REF
& PLL
OSC
PSM
POR
MUX
+
-
POSE TIMERS
FUNCTIONAL BLOCK DIAGRAM
4 GEN. PUR-
PLA
12-BIT ADC
ARM7TDMI-BASED MCU WITH
BANDGAP
SENSOR
ADDITIONAL PERIPHERALS
1MSPS
TEMP
REF
31kX16 FLASH/EEPROM
2kX32 SRAM
UART, SPI, I 2 C
SERIAL I/O
Figure 1
12-bit Analog I/O, ARM7TDMI® MCU
ADuC7026*
Power
Packages and Temperature Range
Tools
* 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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
Precision Analog Microcontroller
4 X General Purpose Timers
Wake-up and Watchdog Timers
Power Supply Monitor
Three-phase 16-bit PWM generator*
PLA – Programmable Logic (Array)
Specified for 3V operation
Active Mode:
From 40 lead 6x6mm LFCSP to 80 pin LQFP*
Fully specified for –40°C to 125°C operation
Low-Cost QuickStart Development System
Full Third-Party Support
GPIO
JTAG
12-BIT DAC
12-BIT DAC
12-BIT DAC
12-BIT DAC
Three-
phase
EXT. MEMORY
PWM
INTERFACE
3mA (@1MHz)
50mA (@45MHz)
© 2004 Analog Devices, Inc. All rights reserved.
ADuC702x Series
(See general description on page 11)
DAC0
DAC1
DAC2
DAC3
PWM0H
PWM0L
PWM1H
PWM1L
PWM2H
PWM2L
www.analog.com
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