Precision Analog Microcontroller
12-bit Analog I/O, ARM7TDMI® MCU
Preliminary Technical Data
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
4 X General Purpose Timers
Wake-up and Watchdog Timers
Power Supply Monitor
Three-phase 16-bit PWM generator*
PLA – Programmable Logic (Arrayꢀ
Power
Specified for ±V operation
Active Mode: ±mA (@1MHzꢀ
50mA (@45MHzꢀ
Packages and Temperature Range
From 40 lead 6x6mm LFCSP to 80 pin LQFP*
Fully specified for –40°C to 125°C operation
Tools
12-bit Voltage Output DACs
- Up to 4 DAC outputs available*
On-Chip 20ppm/°C Voltage Reference
On-Chip Temperature Sensor (±±°Cꢀ
Uncommitted Voltage Comparator
Microcontroller
ARM7TDMI Core, 16/±2-bit RISC architecture
JTAG Port supports code download and debug
Clocking options: - Trimmed On-Chip Oscillator (± ±3ꢀ
- 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
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
UART, 2 X I2C and SPI Serial I/O
Up to 40-Pin GPIO Port*
(See general description on page 11)
FUNCTIONAL BLOCK DIAGRAM
ADC0
12-BIT DAC
12-BIT DAC
12-BIT DAC
12-BIT DAC
DAC0
DAC1
DAC2
DAC3
ADuC7026*
1MSPS
12-BIT ADC
MUX
ADC11
CMP0
TEMP
SENSOR
+
-
CMP1
BANDGAP
REF
CMPOUT
PWM0H
PWM0L
PWM1H
PWM1L
PWM2H
PWM2L
VREF
Three-
phase
PWM
XCLKI
OSC
& PLL
ARM7TDMI-BASED MCU WITH
ADDITIONAL PERIPHERALS
XCLKO
2kX32 SRAM
31kX16 FLASH/EEPROM
PSM
POR
PLA
GPIO
SERIAL I/O
4 GEN. PUR-
POSE TIMERS
EXT. MEMORY
INTERFACE
RST
JTAG
2
UART, SPI, I
C
Figure 1
Rev. PrB
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