
Precision Analog Microcontroller, 12-Bit
Analog I/O, ARM7TDMI MCU
Data Sheet
Rev. F
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FEATURES
Analog I/O
Multichannel, 12-bit, 1 MSPS ADC
Fully differential and single-ended modes
0 V 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
4× general-purpose timers
Wake-up and watchdog timers (WDT)
Power supply monitor
3-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
1MSPS
12-BIT ADC
DAC0
12-BIT
DAC
DAC1
DAC2
3-PHASE
PWM
(SEE NOTE 1)
ADuC7019
ADC0 TO ADC4,
ADC12 TO ADC14
XCLKI
XCLKO
RST
VREF
MUX
TEMP
SENSOR
BAND GAP
REF
OSC
AND PLL
PSM
POR
CMP0
CMP1
CMPOUT
PLA
4 GENERAL-
PURPOSE TIMERS
2k × 32 SRAM
31k × 16 FLASH/EEPROM
SERIAL I/O
UART, SPI, I2C
GPIO
JTAG
ARM7TDMI-BASED MCU WITH
ADDITIONAL PERIPHERALS
12-BIT
DAC
12-BIT
DAC
NOTES
1. SEE APPLICATION NOTE AN-798.
ADC15
04955-
100
Figure 1.
1