Contents
TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, UCD9501
TMS320C2802, TMS320C2801 Digital Signal Processors
SPRS230G – OCTOBER 2003 – REVISED FEBRUARY 2006
Revision History ........................................................................................................................... 9
1 F280x, C280x, UCD9501 DSPs .............................................................................................. 11
1.1 Features ..................................................................................................................... 11
1.2 Trademarks ................................................................................................................. 12
2 Introduction ....................................................................................................................... 13
2.1 Pin Assignments ............................................................................................................ 15
2.2 Signal Descriptions ......................................................................................................... 19
3 Functional Overview ........................................................................................................... 25
3.1 Memory Map ................................................................................................................ 26
3.2 Brief Descriptions ........................................................................................................... 32
3.2.1 C28x CPU ....................................................................................................... 32
3.2.2 Memory Bus (Harvard Bus Architecture) .................................................................... 32
3.2.3 Peripheral Bus .................................................................................................. 33
3.2.4 Real-Time JTAG and Analysis ................................................................................ 33
3.2.5 Flash .............................................................................................................. 33
3.2.6 ROM ............................................................................................................... 33
3.2.7 M0, M1 SARAMs ............................................................................................... 34
3.2.8 L0, L1, H0 SARAMs ............................................................................................ 34
3.2.9 Boot ROM ........................................................................................................ 34
3.2.10 Security .......................................................................................................... 35
3.2.11 Peripheral Interrupt Expansion (PIE) Block .................................................................. 36
3.2.12 External Interrupts (XINT1, XINT2, XNMI) ................................................................... 36
3.2.13 Oscillator and PLL .............................................................................................. 36
3.2.14 Watchdog ........................................................................................................ 36
3.2.15 Peripheral Clocking ............................................................................................. 36
3.2.16 Low-Power Modes .............................................................................................. 36
3.2.17 Peripheral Frames 0, 1, 2 (PFn) .............................................................................. 37
3.2.18 General-Purpose Input/Output (GPIO) Multiplexer ......................................................... 37
3.2.19 32-Bit CPU-Timers (0, 1, 2) ................................................................................... 37
3.2.20 Control Peripherals ............................................................................................. 37
3.2.21 Serial Port Peripherals ......................................................................................... 38
3.3 Register Map ................................................................................................................ 38
3.4 Device Emulation Registers ............................................................................................... 41
3.5 Interrupts .................................................................................................................... 42
3.5.1 External Interrupts .............................................................................................. 44
3.6 System Control ............................................................................................................. 45
3.6.1 OSC and PLL Block ............................................................................................ 47
3.6.2 Watchdog Block ................................................................................................. 49
3.7 Low-Power Modes Block .................................................................................................. 51
4 Peripherals ........................................................................................................................ 52
4.1 32-Bit CPU-Timers 0/1/2 .................................................................................................. 52
4.2 Enhanced PWM Modules (ePWM1/2/3/4/5/6) .......................................................................... 54
4.3 Hi-Resolution PWM (HRPWM) ........................................................................................... 56
4.4 Enhanced CAP Modules (eCAP1/2/3/4) ................................................................................ 57
4.5 Enhanced QEP Modules (eQEP1/2) ..................................................................................... 59
4.6 Enhanced Analog-to-Digital Converter (ADC) Module ................................................................ 61
4.7 Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B) ..................................... 66
4.8 Serial Communications Interface (SCI) Modules (SCI-A, SCI-B) .................................................... 71
4.9 Serial Peripheral Interface (SPI) Modules (SPI-A, SPI-B, SPI-C, SPI-D) ........................................... 74
4.10 Inter-Integrated Circuit (I
2
C) ............................................................................................... 78
2 Contents
