TMS320F2808, TMS320F2806
TMS320F2801, UCD9501
Digital Signal Processors
www.ti.com
SPRS230F–OCTOBER 2003–REVISED SEPTEMBER 2005
Contents
Revision History ........................................................................................................................... 8
1
2
Features............................................................................................................................ 11
Introduction....................................................................................................................... 12
2.1
Pin Assignments............................................................................................................ 13
2.2
Signal Descriptions......................................................................................................... 16
3
Functional Overview ........................................................................................................... 22
3.1
Memory Map ................................................................................................................ 23
Brief Descriptions........................................................................................................... 27
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
C28x CPU ....................................................................................................... 27
Memory Bus (Harvard Bus Architecture) .................................................................... 28
Peripheral Bus .................................................................................................. 28
Real-Time JTAG and Analysis ................................................................................ 28
Flash .............................................................................................................. 28
M0, M1 SARAMs ............................................................................................... 29
L0, L1, H0 SARAMs ............................................................................................ 29
Boot ROM ........................................................................................................ 29
Security .......................................................................................................... 30
3.2.10 Peripheral Interrupt Expansion (PIE) Block .................................................................. 31
3.2.11 External Interrupts (XINT1, XINT2, XNMI) ................................................................... 31
3.2.12 Oscillator and PLL .............................................................................................. 31
3.2.13 Watchdog ........................................................................................................ 31
3.2.14 Peripheral Clocking ............................................................................................. 31
3.2.15 Low-Power Modes .............................................................................................. 31
3.2.16 Peripheral Frames 0, 1, 2 (PFn) .............................................................................. 32
3.2.17 General-Purpose Input/Output (GPIO) Multiplexer ......................................................... 32
3.2.18 32-Bit CPU-Timers (0, 1, 2) ................................................................................... 32
3.2.19 Control Peripherals ............................................................................................. 32
3.2.20 Serial Port Peripherals ......................................................................................... 33
Register Map................................................................................................................ 33
Device Emulation Registers............................................................................................... 36
Interrupts .................................................................................................................... 37
3.3
3.4
3.5
3.5.1
External Interrupts .............................................................................................. 39
3.6
System Control ............................................................................................................. 40
3.6.1
3.6.2
OSC and PLL Block ............................................................................................ 41
Watchdog Block ................................................................................................. 44
3.7
Low-Power Modes Block .................................................................................................. 45
4
Peripherals ........................................................................................................................ 46
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
32-Bit CPU-Timers 0/1/2 .................................................................................................. 46
Enhanced PWM Modules (ePWM1/2/3/4/5/6).......................................................................... 48
Hi-Resolution PWM (HRPWM) ........................................................................................... 50
Enhanced CAP Modules (eCAP1/2/3/4) ................................................................................ 51
Enhanced QEP Modules (eQEP1/2)..................................................................................... 53
Enhanced Analog-to-Digital Converter (ADC) Module ................................................................ 55
Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B)..................................... 60
Serial Communications Interface (SCI) Modules (SCI-A, SCI-B) .................................................... 65
Serial Peripheral Interface (SPI) Modules (SPI-A, SPI-B, SPI-C, SPI-D)........................................... 68
4.10 Inter-Integrated Circuit (I2C)............................................................................................... 72
4.11 GPIO MUX .................................................................................................................. 74
Device Support .................................................................................................................. 78
5
5.1
Device and Development Support Tool Nomenclature................................................................ 78
2
Contents
TI [ TEXAS INSTRUMENTS ]
