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TMS320F2812PGFA Datasheet(PDF) 2 Page - Texas Instruments |
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TMS320F2812PGFA Datasheet(HTML) 2 Page - Texas Instruments |
2 / 172 page TMS320F2810, TMS320F2811, TMS320F2812 TMS320C2810, TMS320C2811, TMS320C2812 www.ti.com SPRS174T – APRIL 2001 – REVISED MAY 2012 Contents 1 TMS320F281x, TMS320C281x DSPs ..................................................................................... 10 1.1 Features .................................................................................................................... 10 1.2 Getting Started ............................................................................................................. 11 2 Introduction ...................................................................................................................... 12 2.1 Description ................................................................................................................. 12 2.2 Device Summary .......................................................................................................... 13 2.3 Pin Assignments ........................................................................................................... 14 2.3.1 Terminal Assignments for the GHH/ZHH Packages ....................................................... 14 2.3.2 Pin Assignments for the PGF Package ...................................................................... 15 2.3.3 Pin Assignments for the PBK Package ...................................................................... 16 2.4 Signal Descriptions ........................................................................................................ 17 3 Functional Overview .......................................................................................................... 26 3.1 Memory Map ............................................................................................................... 27 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 .................................................................................................. 32 3.2.4 Real-Time JTAG and Analysis ................................................................................ 33 3.2.5 External Interface (XINTF) (2812 Only) ...................................................................... 33 3.2.6 Flash (F281x Only) ............................................................................................. 33 3.2.7 ROM (C281x Only) ............................................................................................. 33 3.2.8 M0, M1 SARAMs ............................................................................................... 34 3.2.9 L0, L1, H0 SARAMs ............................................................................................ 34 3.2.10 Boot ROM ....................................................................................................... 34 3.2.11 Security .......................................................................................................... 34 3.2.12 Peripheral Interrupt Expansion (PIE) Block ................................................................. 36 3.2.13 External Interrupts (XINT1, XINT2, XINT13, XNMI) ........................................................ 36 3.2.14 Oscillator and PLL .............................................................................................. 36 3.2.15 Watchdog ........................................................................................................ 36 3.2.16 Peripheral Clocking ............................................................................................. 36 3.2.17 Low-Power Modes .............................................................................................. 36 3.2.18 Peripheral Frames 0, 1, 2 (PFn) .............................................................................. 37 3.2.19 General-Purpose Input/Output (GPIO) Multiplexer ......................................................... 37 3.2.20 32-Bit CPU-Timers (0, 1, 2) ................................................................................... 37 3.2.21 Control Peripherals ............................................................................................. 37 3.2.22 Serial Port Peripherals ......................................................................................... 38 3.3 Register Map ............................................................................................................... 39 3.4 Device Emulation Registers .............................................................................................. 41 3.5 External Interface, XINTF (2812 Only) ................................................................................. 42 3.5.1 Timing Registers ................................................................................................ 43 3.5.2 XREVISION Register ........................................................................................... 43 3.6 Interrupts .................................................................................................................... 44 3.6.1 External Interrupts .............................................................................................. 47 3.7 System Control ............................................................................................................ 48 3.8 OSC and PLL Block ....................................................................................................... 50 3.8.1 Loss of Input Clock ............................................................................................. 51 3.9 PLL-Based Clock Module ................................................................................................ 52 3.10 External Reference Oscillator Clock Option ........................................................................... 52 3.11 Watchdog Block ........................................................................................................... 53 3.12 Low-Power Modes Block ................................................................................................. 54 4 Peripherals ....................................................................................................................... 55 2 Contents Copyright © 2001–2012, Texas Instruments Incorporated |
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