SPRS174S – APRIL 2001 – REVISED MARCH 2011
www.ti.com
Contents
1
TMS320F281x, TMS320C281x DSPs
.....................................................................................
2
3
....................................................................................................................
1.2
Getting Started
.............................................................................................................
Introduction
......................................................................................................................
2.1
Description
.................................................................................................................
2.2
Device Summary
..........................................................................................................
2.3
Pin Assignments
...........................................................................................................
2.3.1
Terminal Assignments for the GHH/ZHH Packages
.......................................................
2.3.2
Pin Assignments for the PGF Package
......................................................................
2.3.3
Pin Assignments for the PBK Package
......................................................................
2.4
Signal Descriptions
........................................................................................................
Functional Overview
..........................................................................................................
3.1
Memory Map
...............................................................................................................
3.2
Brief Descriptions
..........................................................................................................
3.2.1
C28x CPU
.......................................................................................................
3.2.2
Memory Bus (Harvard Bus Architecture)
....................................................................
3.2.3
Peripheral Bus
..................................................................................................
3.2.4
Real-Time JTAG and Analysis
................................................................................
3.2.5
External Interface (XINTF) (2812 Only)
......................................................................
3.2.6
Flash (F281x Only)
.............................................................................................
3.2.7
ROM (C281x Only)
.............................................................................................
3.2.8
M0, M1 SARAMs
...............................................................................................
3.2.9
L0, L1, H0 SARAMs
............................................................................................
3.2.10 Boot ROM
.......................................................................................................
3.2.11 Security
..........................................................................................................
3.2.12 Peripheral Interrupt Expansion (PIE) Block
.................................................................
3.2.13 External Interrupts (XINT1, XINT2, XINT13, XNMI)
........................................................
3.2.14 Oscillator and PLL
..............................................................................................
3.2.15 Watchdog
........................................................................................................
3.2.16 Peripheral Clocking
.............................................................................................
3.2.17 Low-Power Modes
..............................................................................................
3.2.18 Peripheral Frames 0, 1, 2 (PFn)
..............................................................................
3.2.19 General-Purpose Input/Output (GPIO) Multiplexer
.........................................................
3.2.20 32-Bit CPU-Timers (0, 1, 2)
...................................................................................
3.2.21 Control Peripherals
.............................................................................................
3.2.22 Serial Port Peripherals
.........................................................................................
3.3
Register Map
...............................................................................................................
3.4
Device Emulation Registers
..............................................................................................
3.5
External Interface, XINTF (2812 Only)
.................................................................................
3.5.1
Timing Registers
................................................................................................
3.5.2
XREVISION Register
...........................................................................................
3.6
Interrupts
....................................................................................................................
3.6.1
External Interrupts
..............................................................................................
3.7
System Control
............................................................................................................
3.8
OSC and PLL Block
.......................................................................................................
1.1
Features
Contents
Copyright © 2001–2011, Texas Instruments Incorporated
2
TI [ TEXAS INSTRUMENTS ]
