Filter Co-Processor
Programming Model
MOTOROLA
DSP56305 User’s Manual
12-12
12.4.6.5
FCOP Data Output Interrupt Enable (FDOIE)—FCSR Bit 11
The FCOP Data Output Interrupt Enable (FDOIE) read/write control bit, when set,
enables the Data Output Interrupt. When FDOIE is cleared, the Data Output Interrupt is
disabled and the FDOBF status bit should be polled to determine if FDOR is full. The
following table describes the effect of the possible combined states of FDOIE and
FDOBF:
Table 12-6
Relationship of FDOIE and FDOBF
DMA transfer is enabled if a DMA channel is activated and allocated for FCOP Data
Output Buffer Full (FDOBF is set). FDOR should be read by the interrupt routine or by
the DMA transfer, but not both; thus it is highly recommended to enable either the
interrupt or DMA, but not both.
12.4.6.6
FCOP Data Saturation (FSAT)—FCSR Bit 12
The FCOP Data Saturation (FSAT) read-only status bit indicates, when set, that overflow
or underflow occurred in the MAC result. FSAT is a sticky status bit, set by hardware
and cleared by hardware reset, software reset, or FCOP individual reset. When overflow
occurs, the result will be saturated to the most positive number $7FFF. When underflow
occurs, the result will be saturated to the most negative number $8000.
FDOIE
FDOBF
Effect
0
0
Data Output Interrupt
is disabled. FCOP
Data Output Register
(FDOR) is not full. Do not read from FDOR.
0
1
Data Output Interrupt
is disabled. FCOP
Data Output Register
(FDOR) is full. DMA read from FDOR is possible.
1
0
Data Output Interrupt
is enabled. FCOP
Data Output Register
(FDOR) is not full. Do not read from FDOR.
1
1
Data Output Interrupt
is enabled. FCOP
Data Output Register
(FDOR) is full. FCOP requests a Data Output Interrupt service
from the DSP56300 core. Interrupt read from FDOR is possible.
Summary of Contents for DSP56305
Page 34: ...xxxii DSP56305 User s Manual MOTOROLA ...
Page 40: ...xxxvi DSP56305 User s Manual MOTOROLA ...
Page 41: ...MOTOROLA DSP56305 User s Manual 1 1 SECTION 1 DSP56305 OVERVIEW ...
Page 58: ...1 18 DSP56305 User s Manual MOTOROLA DSP56305 Overview DSP56305 Architecture Overview ...
Page 59: ...MOTOROLA DSP56305 User s Manual 2 1 SECTION 2 SIGNAL CONNECTION DESCRIPTIONS ...
Page 98: ...2 40 DSP56305 User s Manual MOTOROLA Signal Connection Descriptions JTAG OnCE Interface ...
Page 99: ...MOTOROLA DSP56305 User s Manual 3 1 SECTION 3 MEMORY CONFIGURATION ...
Page 119: ...MOTOROLA DSP56305 User s Manual 4 1 SECTION 4 CORE CONFIGURATION ...
Page 144: ...4 26 DSP56305 User s Manual MOTOROLA Core Configuration JTAG Boundary Scan Register BSR ...
Page 145: ...MOTOROLA DSP56305 User s Manual 5 1 SECTION 5 GENERAL PURPOSE I O ...
Page 149: ...HOST INTERFACE HI32 MOTOROLA DSP56305 User s Manual 6 1 SECTION 6 HOST INTERFACE HI32 ...
Page 150: ...6 2 DSP56305 User s Manual MOTOROLA HOST INTERFACE HI32 ...
Page 259: ...MOTOROLA DSP56305 User s Manual 7 1 SECTION 7 ENHANCED SYNCHRONOUS SERIAL INTERFACE ESSI ...
Page 315: ...MOTOROLA DSP56305 User s Manual 8 1 SECTION 8 SERIAL COMMUNICATION INTERFACE SCI ...
Page 347: ...MOTOROLA DSP56305 User s Manual 9 1 SECTION 9 TIMER EVENT COUNTER ...
Page 376: ...9 30 DSP56305 User s Manual MOTOROLA Timer Event Counter Timer Modes of Operation ...
Page 377: ...MOTOROLA DSP56305 User s Manual 10 1 SECTION 10 ON CHIP EMULATION MODULE ...
Page 411: ...MOTOROLA DSP56305 User s Manual 11 1 SECTION 11 JTAG PORT ...
Page 430: ...11 20 DSP56305 User s Manual MOTOROLA JTAG Port DSP56305 Boundary Scan Register ...
Page 431: ...Filter Co Processor MOTOROLA DSP56305 User s Manual 12 1 SECTION 12 FILTER CO PROCESSOR ...
Page 471: ...VITERBI CO PROCESSOR MOTOROLA DSP56305 User s Manual 13 1 SECTION 13 VITERBI CO PROCESSOR ...
Page 522: ...13 52 DSP56305 User s Manual MOTOROLA VITERBI CO PROCESSOR References ...
Page 554: ...14 32 DSP56305 User s Manual MOTOROLA CYCLIC CODE CO PROCESSOR Configuration Examples ...
Page 555: ...MOTOROLA DSP56305 User s Manual A 1 APPENDIX A BOOTSTRAP CODE ...
Page 568: ...A 14 DSP56305 User s Manual MOTOROLA Bootstrap Code ...
Page 569: ...Equates MOTOROLA DSP56305 User s Manual B 1 APPENDIX B EQUATES ...
Page 589: ...MOTOROLA DSP56305 User s Manual C 1 APPENDIX C JTAG BSDL ...
Page 590: ...C 2 DSP56305 User s Manual MOTOROLA JTAG BSDL ...
Page 600: ...C 12 DSP56305 User s Manual MOTOROLA JTAG BSDL ...
Page 601: ...MOTOROLA DSP56305 User s Manual D 1 APPENDIX D PROGRAMMING REFERENCE ...
Page 602: ...D 2 DSP56305 User s Manual MOTOROLA PROGRAMMING REFERENCE ...
Page 661: ...Y MOTOROLA DSP56305 User s Manual Index 11 ...
Page 662: ...Y Index 12 DSP56305 User s Manual MOTOROLA ...