TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
www.ti.com
SPRS439I–JUNE 2007–REVISED MARCH 2011
List of Figures
2-1
F2833x, F2823x 176-Pin PGF/PTP LQFP (Top View) ...................................................................... 15
F2833x, F2823x 179-Ball ZHH MicroStar BGA™ (Upper Left Quadrant) (Bottom View) .............................. 17
F2833x, F2823x 179-Ball ZHH MicroStar BGA™ (Upper Right Quadrant) (Bottom View)............................. 18
F2833x, F2823x 179-Ball ZHH MicroStar BGA™ (Lower Left Quadrant) (Bottom View) .............................. 19
F2833x, F2823x 179-Ball ZHH MicroStar BGA ™(Lower Right Quadrant) (Bottom View)............................. 20
F2833x, F2823x 176-Ball ZJZ Plastic BGA (Upper Left Quadrant) (Bottom View)...................................... 21
F2833x, F2823x 176-Ball ZJZ Plastic BGA (Upper Right Quadrant) (Bottom View).................................... 22
F2833x, F2823x 176-Ball ZJZ Plastic BGA (Lower Left Quadrant) (Bottom View)...................................... 23
F2833x, F2823x 176-Ball ZJZ Plastic BGA (Lower Right Quadrant) (Bottom View).................................... 23
Functional Block Diagram ...................................................................................................... 35
F28335/F28235 Memory Map ................................................................................................. 37
F28334/F28234 Memory Map ................................................................................................. 38
F28332/F28232 Memory Map ................................................................................................. 38
External and PIE Interrupt Sources............................................................................................ 54
External Interrupts................................................................................................................ 54
Multiplexing of Interrupts Using the PIE Block ............................................................................... 55
Clock and Reset Domains ...................................................................................................... 58
OSC and PLL Block Diagram................................................................................................... 59
Using a 3.3-V External Oscillator............................................................................................... 60
Using a 1.9 -V External Oscillator.............................................................................................. 60
Using the Internal Oscillator .................................................................................................... 60
Watchdog Module ................................................................................................................ 63
DMA Functional Block Diagram ................................................................................................ 66
CPU-Timers ....................................................................................................................... 67
CPU-Timer Interrupt Signals and Output Signal ............................................................................. 67
Multiple PWM Modules in an 2833x/2823x System ......................................................................... 69
ePWM Submodules Showing Critical Internal Signal Interconnections ................................................... 72
eCAP Functional Block Diagram ............................................................................................... 74
eQEP Functional Block Diagram ............................................................................................... 76
Block Diagram of the ADC Module ............................................................................................ 79
ADC Pin Connections With Internal Reference .............................................................................. 80
ADC Pin Connections With External Reference ............................................................................. 81
McBSP Module .................................................................................................................. 85
eCAN Block Diagram and Interface Circuit ................................................................................... 88
eCAN-A Memory Map ........................................................................................................... 89
eCAN-B Memory Map ........................................................................................................... 90
Serial Communications Interface (SCI) Module Block Diagram............................................................ 95
SPI Module Block Diagram (Slave Mode) .................................................................................... 98
I2C Peripheral Module Interfaces .............................................................................................. 99
GPIO MUX Block Diagram .................................................................................................... 101
Qualification Using Sampling Window ....................................................................................... 106
External Interface Block Diagram............................................................................................. 107
Typical 16-bit Data Bus XINTF Connections................................................................................ 108
Typical 32-bit Data Bus XINTF Connections................................................................................ 108
Example of F2833x, F2823x Device Nomenclature........................................................................ 110
Typical Operational Current Versus Frequency (F28335/F28235/F28334/F28234) ................................... 123
Typical Operational Power Versus Frequency (F28335/F28235/F28334/F28234) .................................... 123
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Copyright © 2007–2011, Texas Instruments Incorporated
List of Figures
5
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