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PDF ADUC7024 Data sheet ( Hoja de datos )
| Número de pieza | ADUC7024 | |
| Descripción | Precision Analog Microcontroller | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Data Sheet
Precision Analog Microcontroller, 12-Bit
Analog I/O, ARM7TDMI MCU
ADuC7019/20/21/22/24/25/26/27/28/29
FEATURES
Analog I/O
Multichannel, 12-bit, 1 MSPS ADC
Up to 16 ADC channels1
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
Up to 40-pin GPIO port1
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
ADC0 TO ADC4,
ADC12 TO ADC14
ADC15
CMP0
CMP1
CMPOUT
VREF
XCLKI
XCLKO
RST
MUX
1MSPS
12-BIT ADC
TEMP
SENSOR
BAND GAP
REF
ADuC7019
12-BIT
DAC
12-BIT
DAC
12-BIT
DAC
OSC
AND PLL
PSM
POR
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
3-PHASE
PWM
(SEE NOTE 1)
DAC0
DAC1
DAC2
NOTES
1. SEE APPLICATION NOTE AN-798.
1 Depending on part model. See Ordering Guide for more information.
Figure 1.
Rev. G
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2005–2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
ADuC7019/20/21/22/24/25/26/27/28/29
ADC0 TO ADC7,
ADC12 TO ADC13
CMP0
CMP1
CMPOUT
VREF
XCLKI
XCLKO
RST
MUX
1MSPS
12-BIT ADC
TEMP
SENSOR
BAND GAP
REF
ADuC7021
12-BIT
DAC
12-BIT
DAC
OSC
AND PLL
PSM
POR
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
3-PHASE
PWM
(SEE NOTE 1)
DAC0
DAC1
NOTES
1. SEE APPLICATION NOTE AN-798.
Figure 3.
ADC0 TO ADC9
CMP0
CMP1
CMPOUT
VREF
XCLKI
XCLKO
RST
MUX
1MSPS
12-BIT ADC
TEMP
SENSOR
BAND GAP
REF
ADuC7022
OSC
AND PLL
PSM
POR
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
NOTES
1. SEE APPLICATION NOTE AN-798.
Figure 4.
3-PHASE
PWM
(SEE NOTE 1)
Rev. G | Page 5 of 101
5 Page 
Data Sheet
Parameter
DAC AC CHARACTERISTICS
Voltage Output Settling Time
Digital-to-Analog Glitch Energy
Min Typ
10
±20
COMPARATOR
Input Offset Voltage
Input Bias Current
Input Voltage Range
Input Capacitance
Hysteresis4, 6
Response Time
TEMPERATURE SENSOR
Voltage Output at 25°C
Voltage TC
Accuracy
POWER SUPPLY MONITOR (PSM)
IOVDD Trip Point Selection
Power Supply Trip Point Accuracy
POWER-ON-RESET
GLITCH IMMUNITY ON RESET PIN4
WATCHDOG TIMER (WDT)
Timeout Period
FLASH/EE MEMORY
Endurance9
Data Retention10
DIGITAL INPUTS
Logic 1 Input Current
Logic 0 Input Current
Input Capacitance
LOGIC INPUTS3
VINL, Input Low Voltage
VINH, Input High Voltage
LOGIC OUTPUTS
VOH, Output High Voltage
VOL, Output Low Voltage11
CRYSTAL INPUTS XCLKI and XCLKO
Logic Inputs, XCLKI Only
VINL, Input Low Voltage
VINH, Input High Voltage
XCLKI Input Capacitance
XCLKO Output Capacitance
INTERNAL OSCILLATOR
AGND
2
±15
1
7
3
780
−1.3
±3
2.79
3.07
±2.5
2.36
50
0
10,000
20
±0.2
−40
−80
10
2.0
2.4
1.1
1.7
20
20
32.768
ADuC7019/20/21/22/24/25/26/27/28/29
Max Unit Test Conditions/Comments
μs
nV-sec
1 LSB change at major carry (where maximum
number of bits simultaneously changes in the
DACxDAT register)
AVDD − 1.2
15
mV
μA
V
pF
mV
μs
Hysteresis turned on or off via the CMPHYST bit in
the CMPCON register
100 mV overdrive and configured with CMPRES = 11
mV
mV/°C
°C
V Two selectable trip points
V
% Of the selected nominal trip point voltage
V
μs
512 sec
±1
−60
−120
0.8
0.4
Cycles
Years
μA
μA
μA
pF
V
V
V
V
TJ = 85°C
All digital inputs excluding XCLKI and XCLKO
VIH = IOVDD or VIH = 5 V
VIL = 0 V; except TDI on
ADuC7019/20/21/22/24/25/29
VIL = 0 V; TDI on ADuC7019/20/21/22/24/25/29
All logic inputs excluding XCLKI
All digital outputs excluding XCLKO
ISOURCE = 1.6 mA
ISINK = 1.6 mA
V
V
pF
pF
kHz
±3 %
±24 % TA = 0°C to 85°C range
Rev. G | Page 11 of 101
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ADUC7024.PDF ] | |
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