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ADUC7019 Datasheet, PDF (1/92 Pages) Analog Devices – Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
Precision Analog Microcontroller 12-bit
Analog I/O, ARM7TDMI® MCU
ADuC7019/20/21/22/24/25/26/27
FEATURES
Analog I/O
Multichannel, 12-bit, 1 MSPS ADC
Up to 16 ADC channels1
Fully differential and single-ended modes
0 to VREF analog input range
12-bit voltage output DACs
Up to 4 DAC outputs available1
On-chip voltage reference
On-chip temperature sensor (±3°C)
Voltage comparator
Microcontroller
ARM7TDMI core, 16-bit/32-bit RISC architecture
JTAG port supports code download and debug
Clocking options
Trimmed on-chip oscillator (±3%)
External watch crystal
External clock source up to 44 MHz
41.78 MHz PLL with programmable divider
Memory
62 kB flash/EE memory, 8 kB SRAM
In-circuit download, JTAG-based debug
Software triggered in-circuit reprogrammability
On-chip peripherals
UART, 2 × I2C® and SPI® serial I/O
Up to 40-pin GPIO port1
4 × general-purpose timers
Wake-up and watchdog timers (WDT)
Power supply monitor
Three-phase, 16-bit PWM generator1
Programmable logic array (PLA)
External memory interface, up to 512 kB1
Power
Specified for 3 V operation
Active mode: 11 mA @ 5 MHz; 40 mA @ 41.78 MHz
Packages and temperature range
From 40-lead 6 mm × 6 mm LFCSP to 80-lead LQFP1
Fully specified for –40°C to +125°C operation
Tools
Low-cost QuickStart™ development system
Full third-party support
APPLICATIONS
Industrial control and automation systems
Smart sensors, precision instrumentation
Base station systems, optical networking
FUNCTIONAL BLOCK DIAGRAM
ADC0
ADC11
CMP0
CMP1
CMPOUT
VREF
XCLKI
XCLKO
RST
MUX
OSC
AND PLL
PSM
POR
1MSPS
12-BIT ADC
TEMP
SENSOR
BANDGAP
REF
ADuC7026
PLA
ARM7TDMI-BASED MCU WITH
ADDITIONAL PERIPHERALS
2k × 32 SRAM
31k × 16 FLASH/EEPROM
GPIO
4 GENERAL
SERIAL I/O
PURPOSE TIMERS UART, SPI, I2C
JTAG
12-BIT
DAC
12-BIT
DAC
12-BIT
DAC
12-BIT
DAC
THREE-
PHASE
PWM
EXT. MEMORY
INTERFACE
DAC0
DAC1
DAC2
DAC3
PWM0H
PWM0L
PWM1H
PWM1L
PWM2H
PWM2L
Figure 1.
1 Depending on part model. See Ordering Guide for more information.
Rev. A
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