Data Sheet
FEATURES
Precision Analog Microcontroller, 12-Bit
Analog I/O, ARM7TDMI MCU
On-chip peripherals
UART, 2× I
2
C® and SPI serial I/O
Up to 40-pin GPIO port
4× general-purpose timers
Wake-up and watchdog timers (WDT)
Power supply monitor
3-phase, 16-bit PWM generator
Programmable logic array (PLA)
External memory interface, up to 512 kB
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 LQFP
Fully specified for –40°C to +125°C operation
Tools
Low cost QuickStart™ development system
Full third-party support
Analog I/O
Multichannel, 12-bit, 1 MSPS ADC
Up to 16 ADC channels
Fully differential and single-ended modes
0 V to V
REF
analog input range
12-bit voltage output DACs
Up to 4 DAC outputs available
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
APPLICATIONS
Industrial control and automation systems
Smart sensors, precision instrumentation
Base station systems, optical networking
FUNCTIONAL BLOCK DIAGRAM
12-BIT
DAC
ADC0 TO ADC4,
ADC12 TO ADC14
MUX
1MSPS
12-BIT ADC
DAC0
ADuC7019
12-BIT
DAC
12-BIT
DAC
DAC1
ADC15
CMP0
CMP1
CMP
OUT
V
REF
OSC
AND PLL
PSM
RST
TEMP
SENSOR
DAC2
BAND GAP
REF
XCLKI
XCLKO
ARM7TDMI-BASED MCU WITH
ADDITIONAL PERIPHERALS
PLA
2k × 32 SRAM
31k × 16 FLASH/EEPROM
SERIAL I/O
UART, SPI, I
2
C
GPIO
3-PHASE
PWM
(SEE NOTE 1)
POR
4 GENERAL-
PURPOSE TIMERS
JTAG
NOTES
1. SEE APPLICATION NOTE AN-798.
Figure 1.
1
Depending on part model. See Ordering Guide for more information.
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Tel: 781.329.4700
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Rev. F
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