ADUC7124 Analog Devices, ADUC7124 Datasheet - Page 2
ADUC7124
Manufacturer Part Number
ADUC7124
Description
Precision Analog Microcontroller, 12-Bit Analog I/O, Large Memory, ARM7TDMI MCU with Enhanced IRQ Handler
Manufacturer
Analog Devices
Datasheet
1.ADUC7126.pdf
(104 pages)
Specifications of ADUC7124
Mcu Core
ARM7 TDMI
Mcu Speed (mips)
40
Sram (bytes)
32000Bytes
Gpio Pins
30
Adc # Channels
12
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADUC7124BCPZ126
Manufacturer:
AD
Quantity:
349
Company:
Part Number:
ADUC7124BCPZ126
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Company:
Part Number:
ADUC7124BCPZ126-RL
Manufacturer:
Analog Devices Inc
Quantity:
10 000
ADuC7124/ADuC7126
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Specifications ..................................................................................... 5
Absolute Maximum Ratings .......................................................... 13
Pin Configurations and Function Descriptions ......................... 14
Typical Performance Characteristics ........................................... 23
Terminology .................................................................................... 26
Overview of the ARM7TDMI Core ............................................. 27
Memory Organization ................................................................... 29
ADC Circuit Overview .................................................................. 37
Timing Specifications .................................................................. 8
ESD Caution ................................................................................ 13
ADC Specifications .................................................................... 26
DAC Specifications..................................................................... 26
Thumb Mode (T) ........................................................................ 27
Long Multiply (M) ...................................................................... 27
EmbeddedICE (I) ....................................................................... 27
Exceptions ................................................................................... 27
ARM Registers ............................................................................ 27
Interrupt Latency ........................................................................ 28
Memory Access ........................................................................... 29
Flash/EE Memory ....................................................................... 29
SRAM ........................................................................................... 29
Memory Mapped Registers ....................................................... 29
Transfer Function ....................................................................... 37
Typical Operation ....................................................................... 38
MMRs Interface .......................................................................... 38
Converter Operation .................................................................. 40
Driving the Analog Inputs ........................................................ 41
Calibration ................................................................................... 42
Temperature Sensor ................................................................... 42
Rev. B | Page 2 of 104
Nonvolatile Flash/EE Memory ..................................................... 44
Other Analog Peripherals .............................................................. 51
Digital Peripheral ........................................................................... 58
Processor Reference Peripherals ................................................... 84
Hardware Design Considerations .............................................. 100
Outline Dimensions ..................................................................... 103
Band Gap Reference ................................................................... 43
Programming .............................................................................. 44
Flash/EE Memory Security ....................................................... 45
Flash/EE Control Interface ....................................................... 45
Execution Time from SRAM and Flash/EE ............................ 48
Reset and Remap ........................................................................ 48
DAC .............................................................................................. 51
Power Supply Monitor ............................................................... 53
Comparator ................................................................................. 53
Oscillator and PLL—Power Control ........................................ 54
General-Purpose Input/Output................................................ 58
Serial Port Mux ........................................................................... 60
UART Serial Interface ................................................................ 60
Serial Peripheral Interface ......................................................... 66
I
PWM General Overview ........................................................... 78
Programmable Logic Array (PLA)........................................... 81
Interrupt System ......................................................................... 84
IRQ ............................................................................................... 84
Fast Interrupt Request (FIQ) .................................................... 85
Vectored Interrupt Controller (VIC) ....................................... 86
Timers .......................................................................................... 91
External Memory Interfacing ................................................... 96
Power Supplies .......................................................................... 100
Grounding and Board Layout Recommendations ............... 101
Clock Oscillator ........................................................................ 101
Power-On Reset Operation ..................................................... 102
Ordering Guide ........................................................................ 104
2
C ................................................................................................. 70