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The TMS320C6748EZWT4 fixed point and floating point DSP is a low power application processor based on the C674x DSP core. The DSP has much lower power consumption compared to other TMS320C6000™ platform DSPS. With this device, original equipment manufacturers (Oems) and original design manufacturers (ODMs) are able to quickly bring their products to market. The C6748 device leverages the flexibility of a fully integrated hybrid processor solution with a robust operating system, rich user interfaces, and high processor performance.

Product: TMS320C6748EZWT4

Core: C674x

Type: Fixed-point/floating point DSP

Clock frequency: 456MHz

Package: NFBGA-361

Functional block diagram:

Features:

375 and 456MHz C674x fixed-point and floating point VLIW DSPS

C674x instruction set features

Superset of C67x+ and C64x+ISA

Up to 3648 MIPS and 2746 MFLOPS

Addressable by byte (8, 16, 32 and 64 bit data)

8-bit overflow protection

Bit field extraction, setting, clearing

Normalization, saturation, bit counting

Compact 16-bit instruction

C674x two-level buffer memory architecture

32KB L1P program RAM/ cache

32KB L1D data RAM/ cache

256KB L2 Unified mapping RAM/ cache

Flexible RAM/ cache partitions (L1 and L2)

Enhanced Direct Memory Access Controller 3 (EDMA3)

TMS320C674x Floating point VLIW DSP core

Load storage architecture with non-alignment support

64 general-purpose registers (32 bits)

6 ALU (32 and 40 bit) functional units

2 multiplication function units

Instruction compression reduces code size

All instructions required

Hardware support for modular loop operation

Run in protected mode

Additional support for error detection and program redirection

Software support

TI DSP BIOS

Chip support library and DSP library

128KB RAM Shared memory

1.8V or 3.3V LVCMOS I/O (except USB and DDR2 interfaces)

Two external memory interfaces

EMIFA

DDR2/ Mobile DDR Memory controller

Three configurable Model 16550 UART modules

LCD controller

Two serial peripheral interfaces (SPIs), each with multiple chip options

2 Multimedia card (MMC)/ Secure Digital (SD) card interfaces with secure Data I/O (SDIO) interfaces

Two master/slave internal integrated circuits (I2C Bus™)

A host port interface (HPI) that achieves high bandwidth through a 16-bit wide multiplexed address and data bus

Programmable Real-time Unit Subsystem (PRUSS)

USB 1.1 OHCI (Host), Integrated PHY (USB1)

USB 2.0 OTG Port with Integrated PHY (USB0)

One multi-channel Audio Serial Port (McASP)

Two multi-channel buffered serial ports (McBSP)

10/100Mbps Ethernet MAC (EMAC)

Video Port Interface (VPIF)

Universal Parallel Port (uPP)

Serial ATA (SATA) controller

Real-time clock (RTC) with 32kHz oscillator and individual power rail

Three 64-bit universal timers (each configurable to two 32-bit timers)

One 64-bit universal watchdog timer (configurable as two 32-bit universal timers)

Two Enhanced High Resolution Pulse Width Modulators (eHRPWM)

Three 32-bit Enhanced capture (eCAP) modules

encapsulation

361 Solder ball lead-free plastic ball grid Array (PBGA) [ZCE suffix], 0.65mm ball spacing

361 welding ball lead-free PBGA [ZWT suffix], 0.80mm ball spacing

Commercial, extended or industrial grade temperatures

Applications:

Counterfeit currency detection

Biometric identification

Machine vision (low end)