TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, UCD9501
TMS320C2802, TMS320C2801, and TMS320F2801x DSPs
www.ti.com
SPRS230H–OCTOBER 2003–REVISED JUNE 2006
Contents
Revision History ........................................................................................................................... 9
1
F280x, F2801x, C280x, UCD9501 DSPs.................................................................................. 11
Features ..................................................................................................................... 11
Introduction....................................................................................................................... 12
1.1
2
2.1
Pin Assignments............................................................................................................ 14
2.2
Signal Descriptions......................................................................................................... 19
3
Functional Overview ........................................................................................................... 25
3.1
Memory Maps............................................................................................................... 26
Brief Descriptions........................................................................................................... 32
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 ....................................................................................................... 33
Memory Bus (Harvard Bus Architecture) .................................................................... 33
Peripheral Bus .................................................................................................. 33
Real-Time JTAG and Analysis ................................................................................ 33
Flash .............................................................................................................. 34
ROM............................................................................................................... 34
M0, M1 SARAMs ............................................................................................... 34
L0, L1, H0 SARAMs ............................................................................................ 34
Boot ROM ........................................................................................................ 34
3.2.10 Security .......................................................................................................... 36
3.2.11 Peripheral Interrupt Expansion (PIE) Block .................................................................. 37
3.2.12 External Interrupts (XINT1, XINT2, XNMI) ................................................................... 37
3.2.13 Oscillator and PLL .............................................................................................. 37
3.2.14 Watchdog ........................................................................................................ 37
3.2.15 Peripheral Clocking ............................................................................................. 37
3.2.16 Low-Power Modes .............................................................................................. 37
3.2.17 Peripheral Frames 0, 1, 2 (PFn) .............................................................................. 38
3.2.18 General-Purpose Input/Output (GPIO) Multiplexer ......................................................... 38
3.2.19 32-Bit CPU-Timers (0, 1, 2) ................................................................................... 38
3.2.20 Control Peripherals ............................................................................................. 38
3.2.21 Serial Port Peripherals ......................................................................................... 39
Register Map................................................................................................................ 39
Device Emulation Registers............................................................................................... 41
Interrupts .................................................................................................................... 42
3.3
3.4
3.5
3.5.1
External Interrupts .............................................................................................. 44
3.6
System Control ............................................................................................................. 45
3.6.1
3.6.2
OSC and PLL Block ............................................................................................ 46
Watchdog Block ................................................................................................. 49
3.7
Low-Power Modes Block .................................................................................................. 50
4
Peripherals ........................................................................................................................ 51
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 .................................................................................................. 51
Enhanced PWM Modules (ePWM1/2/3/4/5/6).......................................................................... 53
Hi-Resolution PWM (HRPWM) ........................................................................................... 55
Enhanced CAP Modules (eCAP1/2/3/4) ................................................................................ 56
Enhanced QEP Modules (eQEP1/2)..................................................................................... 58
Enhanced Analog-to-Digital Converter (ADC) Module ................................................................ 60
Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B)..................................... 65
Serial Communications Interface (SCI) Modules (SCI-A, SCI-B) .................................................... 70
Serial Peripheral Interface (SPI) Modules (SPI-A, SPI-B, SPI-C, SPI-D)........................................... 73
4.10 Inter-Integrated Circuit (I2C)............................................................................................... 77
4.11 GPIO MUX .................................................................................................................. 79
2
Contents
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