ADUC702X Datasheet, PDF (1/80 Pages) Analog Devices – Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU

Preliminary Technical Data
Precision Analog Microcontroller
12-bit Analog I/O, ARM7TDMI® MCU
ADuC702x Series
FEATURES
Analog I/O
Multi-Channel, 12-bit, 1MSPS ADC
- Up to 16 ADC channels *
Fully differential and single-ended modes
0 to VREF 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 I²C 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
ADC0
ADC11
CMP0
CMP1
CMP_OUT
V_REF
XCLKI
XCLKO
RST
MUX
+
-
1MSPS
12-BIT ADC
TEMP
SENSOR
BANDGAP
REF
ADuC7026*
12-BIT DAC
12-BIT DAC
12-BIT DAC
12-BIT DAC
OSC
& PLL
PSM
POR
ARM7TDMI-BASED MCU WITH
ADDITIONAL PERIPHERALS
PLA
2kX32 SRAM
31kX16 FLASH/EEPROM
GPIO
4 GEN. PUR-
POSE TIMERS
SERIAL I/O
UART, SPI, I2C
JTAG
Three-
phase
PWM
EXT. MEMORY
INTERFACE
DAC0
DAC1
DAC2
DAC3
PWM0H
PWM0L
PWM1H
PWM1L
PWM2H
PWM2L
Figure 1
Rev. PrB
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