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Table Of Contents

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Contents
Figures
Tables
Examples
Cautions
Introduction
- TMS320 Family
  - History, Development, and Advantages of TMS320 DSPs
  - Typical Applications for the TMS320 Family
- TMS320C2xx Generation
- Key Features of the TMS320C2xx
Architectural Overview
- ’C2xx Bus Structure
- Central Processing Unit
- Memory and I/O Spaces
- Program Control
- On-Chip Peripherals
- Scanning-Logic Circuitry
Central Processing Unit
- Input Scaling Section
- Multiplication Section
  - Multiplier
  - Product-Scaling Shifter
- Central Arithmetic Logic Section
- Auxiliary Register Arithmetic Unit (ARAU)
  - ARAU and Auxiliary Register Functions
- Status Registers ST0 and ST1
Memory and I/O Spaces
- Overview of the Memory and I/O Spaces
  - Pins for Interfacing to External Memory and I/O Spaces
- Program Memory
  - Interfacing With External Program Memory
- Local Data Memory
  - Data Page 0 Address Map
  - Interfacing With External Local Data Memory
- Global Data Memory
  - Interfacing With External Global Data Memory
- Boot Loader
- I/O Space
  - Accessing I/O Space
- Direct Memory Access Using the HOLD Operation
  - HOLD During Reset
- Device-Specific Information
  - TMS320C203 Address Maps and Memory Configuration
  - TMS320C204 Address Maps and Memory Configuration
Program Control
- Program-Address Generation
- Pipeline Operation
- Branches, Calls, and Returns
- Conditional Branches, Calls, and Returns
- Repeating a Single Instruction
- Interrupts
- Reset Operation
- Power-Down Mode
  - Normal Termination of Power-Down Mode
  - Termination of Power-Down During a HOLD Operation
Addressing Modes
- Immediate Addressing Mode
  - Examples of Immediate Addressing
- Direct Addressing Mode
  - Using Direct Addressing Mode
  - Examples of Direct Addressing
- Indirect Addressing Mode
Assembly Language Instructions
- Instruction Set Summary
- How To Use the Instruction Descriptions
- Instruction Descriptions
  - ABS
  - ABS
  - ADD
  - ADD
  - ADD
  - ADD
  - ADDC
  - ADDC
  - ADDS
  - ADDS
  - ADDT
  - ADDT
  - ADRK
  - AND
  - AND
  - AND
  - APAC
  - APAC
  - B
  - BACC
  - BANZ
  - BANZ
  - BCND
  - BCND
  - BIT
  - BIT
  - BITT
  - BITT
  - BLDD
  - BLDD
  - BLDD
  - BLDD
  - BLDD
  - BLPD
  - BLPD
  - BLPD
  - BLPD
  - CALA
  - CALL
  - CC
  - CC
  - CLRC
  - CLRC
  - CMPL
  - CMPR
  - DMOV
  - DMOV
  - IDLE
  - IN
  - IN
  - INTR
  - LACC
  - LACC
  - LACC
  - LACL
  - LACL
  - LACL
  - LACT
  - LACT
  - LAR
  - LAR
  - LAR
  - LDP
  - LDP
  - LPH
  - LPH
  - LST
  - LST
  - LST
  - LST
  - LT
  - LT
  - LTA
  - LTA
  - LTD
  - LTD
  - LTD
  - LTP
  - LTP
  - LTS
  - LTS
  - MAC
  - MAC
  - MAC
  - MAC
  - MACD
  - MACD
  - MACD
  - MACD
  - MACD
  - MAR
  - MAR
  - MPY
  - MPY
  - MPY
  - MPYA
  - MPYA
  - MPYS
  - MPYS
  - MPYU
  - MPYU
  - NEG
  - NEG
  - NMI
  - NOP
  - NORM
  - NORM
  - NORM
  - OR
  - OR
  - OR
  - OUT
  - OUT
  - PAC
  - POP
  - POP
  - POPD
  - POPD
  - PSHD
  - PSHD
  - PUSH
  - RET
  - RETC
  - ROL
  - ROR
  - RPT
  - RPT
  - SACH
  - SACH
  - SACL
  - SACL
  - SAR
  - SAR
  - SBRK
  - SETC
  - SETC
  - SFL
  - SFR
  - SFR
  - SPAC
  - SPH
  - SPH
  - SPL
  - SPL
  - SPLK
  - SPLK
  - SPM
  - SQRA
  - SQRA
  - SQRS
  - SQRS
  - SST
  - SST
  - SUB
  - SUB
  - SUB
  - SUB
  - SUBB
  - SUBB
  - SUBC
  - SUBC
  - SUBS
  - SUBS
  - SUBT
  - SUBT
  - TBLR
  - TBLR
  - TBLR
  - TBLW
  - TBLW
  - TBLW
  - TRAP
  - XOR
  - XOR
  - XOR
  - ZALR
  - ZALR
On-Chip Peripherals
- Control of On-Chip Peripherals
- Clock Generator
  - Clock Generator Options
- CLKOUT1-Pin Control (CLK) Register
- Timer
- Wait-State Generator
  - Generating Wait States With the READY Signal
  - Generating Wait States With the ’C2xx Wait-State Generator
- General-Purpose I/O Pins
Synchronous Serial Port
- Overview of the Synchronous Serial Port
- Components and Basic Operation
- Controlling and Resetting the Port
- Managing the Contents of the FIFO Buffers
- Transmitter Operation
- Receiver Operation
  - Burst Mode Reception
  - Continuous Mode Reception
- Troubleshooting
Asynchronous Serial Port
- Overview of the Asynchronous Serial Port
- Components and Basic Operation
- Controlling and Resetting the Port
- Transmitter Operation
- Receiver Operation
TMS320C209
- ’C209 Versus Other ’C2xx Devices
- ’C209 Memory and I/O Spaces
- ’C209 Interrupts
  - ’C209 Interrupt Registers
  - IACK Pin
- ’C209 On-Chip Peripherals
Register Summary
- A.1 Addresses and Reset Values
- A.2 Register Descriptions
TMS320C1x/C2x/C2xx/C5x Instruction Set Comparison
- B.1 Using the Instruction Set Comparison Table
  - B.1.1 An Example of a Table Entry
  - B.1.2 Symbols and Acronyms Used in the Table
- B.2 Enhanced Instructions
- B.3 Instruction Set Comparison Table
Program Examples
- C.1 About These Program Examples
- C.2 Shared Program Code
- C.3 Task-Specific Program Code
- C.4 Introduction to Generating Boot Loader Code
Submitting ROM Codes to TI
Design Considerations for Using XDS510 Emulator
- E.1 Designing Your Target System’s Emulator Connector (14-Pin Header)
- E.2 Bus Protocol
- E.3 Emulator Cable Pod
- E.4 Emulator Cable Pod Signal Timing
- E.5 Emulation Timing Calculations
- E.6 Connections Between the Emulator and the Target System
- E.7 Physical Dimensions for the 14-Pin Emulator Connector
- E.8 Emulation Design Considerations
Glossary
Index

Index

Index-11

INT1

interrupt

’C203/C204

flag bit (HOLD/INT1) 5-22

mask bit (HOLD/INT1) 5-24

priority 5-16

vector location 5-16

’C209

flag bit 11-12

mask bit 11-13

priority 11-10

vector location 11-10

INT2 bit (’C209)

in interrupt flag register (IFR) 11-12

in interrupt mask register (IMR) 11-13

INT2

interrupt

’C203/C204

flag bits

FINT2 5-26

INT2/INT3 5-22

masking/unmasking in ICR 5-27

masking/unmasking in IMR 5-23

priority 5-16

vector location 5-16

’C209

flag bit 11-12

mask bit 11-13

priority 11-10

vector location 11-10

INT2/INT3 bit

in interrupt flag register (IFR) 5-22

in interrupt mask register (IMR) 5-23

INT20–INT31 (interrupts), vector locations

’C203/C204 5-17

’C209 11-11

INT3 bit (’C209)

in interrupt flag register (IFR) 11-12

in interrupt mask register (IMR) 11-13

INT3

interrupt

’C203/C204

flag bits

FINT3 5-26

INT2/INT3 5-22

masking/unmasking in ICR 5-26

masking/unmasking in IMR 5-23

priority 5-16

vector location 5-16

INT3 interrupt

(continued)

’C209

flag bit 11-12

mask bit 11-13

priority 11-10

vector location 11-10

INT8–INT16 (interrupts), vector locations

’C203/C204 5-16 to 5-17

’C209 11-10

interfacing

to external global data memory 4-12

to external I/O space 4-25

to external local data memory 4-9

to external program memory 4-5

internal oscillator, using (diagram) 8-4

interrupt 5-15 to 5-32

definitions 5-15, F-12

hardware interrupt

definition 5-15

priorities

’C203/C204 5-16

’C209 11-10

interrupt mode bit (INTM) 3-16

use in enabling/disabling maskable inter-

rupts 5-19

interrupt service routines (ISRs) 5-29 to 5-30

ISRs within ISRs 5-30

saving and restoring context 5-29 to 5-30

latency 5-30 to 5-36

after execution of RET 5-32

during execution of CLRC INTM 5-31

minimum latency 5-30

maskable interrupt 5-18 to 5-20

acknowledgement conditions 5-19

definition 5-15

enabling/disabling with INTM bit 5-19

flag bits in ICR 5-24

flag bits in IFR 5-20

flow chart of operation 5-20

flow chart of requesting INT2

and INT3 5-18

interrupt mode bit (INTM) 3-16

masking/unmasking in ICR 5-24 to 5-38

masking/unmasking in IMR 5-22 to 5-38

nonmaskable interrupt 5-27 to 5-29

definition 5-15

flow chart of operation 5-29

hardware-initiated 5-27

software-initiated 5-27

operation (three phases) 5-15

pending interrupt (IFR flag set) 5-20 to 5-22