Analog Devices adsp-2100 User Manual

Contents
v
3.5 STATUS REGISTERS & STATUS STACK.................................... 3–20
3.5.1 Arithmetic Status Register (ASTAT) ....................................... 3–20
3.5.2 Stack Status Register (SSTAT).................................................. 3–21
3.5.3 Mode Status Register (MSTAT) ............................................... 3–22
3.6 CONDITIONAL INSTRUCTIONS ............................................... 3–24
3.7 TOPPCSTACK ................................................................................. 3–25
3.7.1 TOPPCSTACK Restrictions...................................................... 3–27
CHAPTER 4 DATA TRANSFER
4.1 OVERVIEW ........................................................................................ 4–1
4.2 DATA ADDRESS GENERATORS (DAGS) ................................... 4–1
4.2.1 DAG Registers.............................................................................. 4–1
4.2.2 Indirect Addressing..................................................................... 4–3
4.2.2.1 Initialize L Registers To 0 For Non-Circular Addressing 4–3
4.2.3 Modulo Addressing (Circular Buffers)..................................... 4–4
4.2.4 Calculating The Base Address ................................................... 4–5
4.2.4.1 Circular Buffer Base Address Example 1 ........................... 4–5
4.2.4.2 Circular Buffer Base Address Example 2 ........................... 4–5
4.2.4.3 Circular Buffer Operation Example 1 ................................. 4–5
4.2.4.4 Circular Buffer Operation Example 2 ................................. 4–6
4.2.5 Bit-Reverse Addressing .............................................................. 4–6
4.3 PROGRAMMNG DATA ACCESSES ............................................. 4–7
4.3.1 Variables & Arrays ...................................................................... 4–7
4.3.2 Circular Buffers ............................................................................ 4–8
4.4 PMD-DMD BUS EXCHANGE......................................................... 4–9
4.4.1 PMD-DMD Block Diagram Discussion .................................... 4–9
CHAPTER 5 SERIAL PORTS
5.1 OVERVIEW ........................................................................................ 5–1
5.2 BASIC SPORT DESCRIPTION ........................................................ 5–1
5.2.1 Interrupts ...................................................................................... 5–4
5.2.2 SPORT Operation ........................................................................ 5–4
5.3 SPORT PROGRAMMING ................................................................ 5–4
5.3.1 SPORT Configuration ................................................................. 5–5
5.3.2 Receiving And Transmitting Data ............................................ 5–6
5.4 SPORT ENABLE ................................................................................ 5–7
5.5 SERIAL CLOCKS ............................................................................... 5–8
5.6 WORD LENGTH ............................................................................... 5–9
5.7 WORD FRAMING OPTIONS ........................................................ 5–10
5.7.1 Frame Synchronization ............................................................. 5–10
5.7.2 Frame Sync Signal Source......................................................... 5–11
5.7.3 Normal And Alternate Framing Modes ................................. 5–13
5.7.4 Active High Or Active Low ..................................................... 5–14

Analog Devices adsp-2100 Specifications

General

Brand	Analog Devices
Model	adsp-2100
Category	Computer Hardware
Language	English