MOTOROLA
DSP56305 User’s Manual
xiii
8.4.5
SCI Exceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-29
8.5
GPIO SIGNALS AND REGISTERS . . . . . . . . . . . . . . . . . . . . . 8-29
8.5.1
Port E Control Register (PCRE) . . . . . . . . . . . . . . . . . . . . . 8-29
8.5.2
Port E Direction Register (PRRE) . . . . . . . . . . . . . . . . . . . . 8-30
8.5.3
Port E Data Register (PDRE) . . . . . . . . . . . . . . . . . . . . . . . 8-31
SECTION
9
TIMER/EVENT COUNTER. . . . . . . . . . . . . . . . . . . . . . 9-1
9.1
INTRODUCTION TO THE TIMER/EVENT COUNTER . . . . . . . 9-3
9.2
TIMER/EVENT COUNTER ARCHITECTURE . . . . . . . . . . . . . . 9-3
9.2.1
Timer/Event Counter Block Diagram . . . . . . . . . . . . . . . . . . . 9-4
9.2.2
Timer/Event Counter Programming Model . . . . . . . . . . . . . . 9-4
9.2.3
Prescaler Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
9.2.4
Timer Prescaler Load Register (TPLR) . . . . . . . . . . . . . . . . . 9-5
9.2.4.1
Prescaler Preload Value PL[20:0] — TPLR Bits 20-0 . . . . 9-6
9.2.4.2
Prescaler Source PS[1:0] — TPLR Bits 22-21 . . . . . . . . . 9-6
9.2.4.3
Reserved Bit — TPLR Bit 23. . . . . . . . . . . . . . . . . . . . . . . 9-6
9.2.5
Timer Prescaler Count Register (TPCR) . . . . . . . . . . . . . . . . 9-7
9.2.5.1
Prescaler Counter Value PC[20:0] — TPCR Bits 20-0 . . . 9-7
9.2.5.2
Reserved Bits — TPCR Bits 23-21 . . . . . . . . . . . . . . . . . . 9-7
9.3
TIMER ARCHITECTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
9.3.1
Timer Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
9.3.2
Timer Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
9.3.3
Timer Control/Status Register (TCSR) . . . . . . . . . . . . . . . . 9-10
9.3.3.1
Timer Enable (TE) — TCSR Bit 0 . . . . . . . . . . . . . . . . . . 9-11
9.3.3.2
Timer Overflow Interrupt Enable
(TOIE) — TCSR Bit 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
9.3.3.3
Timer Compare Interrupt Enable
(TCIE) — TCSR Bit 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
9.3.3.4
Timer Control (TC[3:0]) — TCSR Bits 4-7. . . . . . . . . . . . 9-11
9.3.3.5
Inverter (INV) — TCSR Bit 8 . . . . . . . . . . . . . . . . . . . . . . 9-13
9.3.3.6
Timer Reload Mode (TRM) — TCSR Bit 9 . . . . . . . . . . . 9-14
9.3.3.7
Direction (DIR) — TCSR Bit 11 . . . . . . . . . . . . . . . . . . . . 9-15
9.3.3.8
Data Input (DI) — TCSR Bit 12 . . . . . . . . . . . . . . . . . . . . 9-15
9.3.3.9
Data Output (DO) — TCSR Bit 13 . . . . . . . . . . . . . . . . . 9-15
9.3.3.10
Prescaler Clock Enable (PCE) — TCSR Bit 15 . . . . . . . 9-16
9.3.3.11
Timer Overflow Flag (TOF) — TCSR Bit 20 . . . . . . . . . . 9-16
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 ...