TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
www.ti.com
SPRS439I–JUNE 2007–REVISED MARCH 2011
4
Peripherals
The integrated peripherals of the 2833x/2823x devices are described in the following subsections:
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6-channel Direct Memory Access (DMA)
Three 32-bit CPU-Timers
Up to six enhanced PWM modules (ePWM1, ePWM2, ePWM3, ePWM4, ePWM5, ePWM6)
Up to six enhanced capture modules (eCAP1, eCAP2, eCAP3, eCAP4, eCAP5, eCAP6)
Up to two enhanced QEP modules (eQEP1, eQEP2)
Enhanced analog-to-digital converter (ADC) module
Up to two enhanced controller area network (eCAN) modules (eCAN-A, eCAN-B)
Up to three serial communications interface modules (SCI-A, SCI-B, SCI-C)
One serial peripheral interface (SPI) module (SPI-A)
Inter-integrated circuit module (I2C)
Up to two multichannel buffered serial port (McBSP-A, McBSP-B) modules
Digital I/O and shared pin functions
External Interface (XINTF)
4.1 DMA Overview
Features:
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6 Channels with independent PIE interrupts
Trigger Sources:
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ePWM SOCA/SOCB
ADC Sequencer 1 and Sequencer 2
McBSP-A and McBSP-B transmit and receive logic
XINT1–7 and XINT13
CPU Timers
Software
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Data Sources/Destinations:
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L4–L7 16K × 16 SARAM
All XINTF zones
ADC Memory Bus mapped RESULT registers
McBSP-A and McBSP-B transmit and receive buffers
ePWM registers
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Word Size: 16-bit or 32-bit (McBSPs limited to 16-bit)
Throughput: 4 cycles/word (5 cycles/word for McBSP reads)
Copyright © 2007–2011, Texas Instruments Incorporated
Peripherals
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TMS320F28232
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