adsp-21992 Analog Devices, Inc., adsp-21992 Datasheet - Page 2

• Manufacturer Part Number: adsp-21992
• Description: Mixed Signal Dsp Controller With Can
• Manufacturer: Analog Devices, Inc.

ADSP-21992
TABLE OF CONTENTS
General Description ................................................. 3
REVISION HISTORY
8/07—Rev. 0 to Rev. A
Added RoHS part number to
DSP Core Architecture ........................................... 3
Memory Architecture ............................................ 5
Bus Request and Bus Grant ..................................... 6
DMA Controller ................................................... 7
DSP Peripherals Architecture .................................. 7
Serial Peripheral Interface (SPI) Port ......................... 7
DSP Serial Port (SPORT) ........................................ 8
Controller Area Network (CAN) Module ................... 9
Analog-to-Digital Conversion System ........................ 9
Voltage Reference ................................................. 9
PWM Generation Unit ......................................... 10
Auxiliary PWM Generation Unit ............................ 10
Encoder Interface Unit ......................................... 10
Flag I/O (FIO) Peripheral Unit ............................... 11
Watchdog Timer ................................................ 11
General-Purpose Timers ....................................... 11
Interrupts ......................................................... 11
Peripheral Interrupt Controller .............................. 12
Low Power Operation .......................................... 12
Clock Signals ..................................................... 13
Reset and Power-On Reset (POR) ........................... 13
Ordering Guide ............... 59
Rev. A | Page 2 of 60 | August 2007
Pin Function Descriptions ........................................ 17
Specifications ........................................................ 20
Test Conditions ..................................................... 51
Pin Configurations ................................................. 52
Outline Dimensions ................................................ 57
Ordering Guide ..................................................... 59
Power Supplies ................................................... 14
Booting Modes ................................................... 14
Instruction Set Description .................................... 14
Development Tools .............................................. 15
Designing an Emulator-Compatible DSP Board .......... 16
Additional Information ........................................ 16
Operating Conditions ........................................... 20
Electrical Characteristics ....................................... 23
Absolute Maximum Ratings ................................... 30
ESD Caution ...................................................... 30
Timing Specifications ........................................... 30
Power Dissipation ............................................... 50
Output Disable Time ............................................ 51
Output Enable Time ............................................ 51
Example System Hold Time Calculation ................... 51