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TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015
www.ti.com
SPRS230N – OCTOBER 2003 – REVISED MAY 2012
Contents
1
F280x, F2801x, C280x DSPs
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8
1.1
Features
......................................................................................................................
8
1.2
Getting Started
..............................................................................................................
9
2
Introduction
......................................................................................................................
10
2.1
Pin Assignments
...........................................................................................................
13
2.2
Signal Descriptions
........................................................................................................
18
3
Functional Overview
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24
3.1
Memory Maps
..............................................................................................................
25
3.2
Brief Descriptions
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33
3.2.1
C28x CPU
.......................................................................................................
33
3.2.2
Memory Bus (Harvard Bus Architecture)
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33
3.2.3
Peripheral Bus
..................................................................................................
33
3.2.4
Real-Time JTAG and Analysis
................................................................................
34
3.2.5
Flash
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34
3.2.6
ROM
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34
3.2.7
M0, M1 SARAMs
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34
3.2.8
L0, L1, H0 SARAMs
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35
3.2.9
Boot ROM
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35
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
3.3
Register Map
...............................................................................................................
39
3.4
Device Emulation Registers
..............................................................................................
41
3.5
Interrupts
....................................................................................................................
41
3.5.1
External Interrupts
..............................................................................................
44
3.6
System Control
............................................................................................................
45
3.6.1
OSC and PLL Block
............................................................................................
46
3.6.1.1
External Reference Oscillator Clock Option
....................................................
47
3.6.1.2
PLL-Based Clock Module
.........................................................................
48
3.6.1.3
Loss of Input Clock
................................................................................
49
3.6.2
Watchdog Block
.................................................................................................
50
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)
..........................................................................................
57
4.4
Enhanced CAP Modules (eCAP1/2/3/4)
...............................................................................
57
4.5
Enhanced QEP Modules (eQEP1/2)
....................................................................................
60
4.6
Enhanced Analog-to-Digital Converter (ADC) Module
...............................................................
62
4.6.1
ADC Connections if the ADC Is Not Used
..................................................................
65
4.6.2
ADC Registers
..................................................................................................
66
4.7
Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B)
....................................
67
2
Contents
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