Package

Freescale Semiconductor, Inc.

DSP56362

24-Bit Audio Digital Signal Processor

–Hardware debugging support: On-Chip Emulation (OnCE™ ) module, Joint Test Action Group (JTAG) Test Access Port (TAP), and Address Trace mode

•On-Chip Memories

–Modified Harvard architecture allows simultaneous access to program and data memories

–Program ROMs that may be factory programmed with data/program provided by the application developer

–3K x 24 Bit Program RAM

–30K x 24 Bit Program ROM

–5.5K x 24 Bit X-dataRAM

–6K x 24 Bit X-data ROM

–5.5K x 24 Bit Y-data RAM

–6K x 24 Bit Y-data ROM

–192 x 24-bit bootstrap ROM

•Off-Chip Memory Expansion

–Memory expansion up to 4-256K x 24-bit word memory for P, X, and Y memory when using SRAM

–Memory expansion up to 4-16M x 24-bit word memory for P, X, and Y memory when using DRAM

–Twenty-four data pin external memory expansion port ( for high speed external memory access allowing for a large number of external accesses per sample)

–Chip Select Logic for glueless interface to SRAMs

–On-chip DRAM Controller for glueless interface to DRAMs

•Peripheral and Support Circuits

–Enhanced Serial Audio Interface (ESAI) includes:

•6 serial data lines, 4 selectable as receive or transmitt and 2 transmitt only.

•Master or slave capability

•I2S, Sony, AC97, and other audio protocol implementations

•Asynchronous and synchronous operation

–Serial Host Interface (SHI) features:

•SPI and I2C protocols

•Ten-word receive FIFO

•Support for 8-, 16-, and 24-bit words.

–Byte-wide parallel Host Interface (HDI08) with DMA support

–DAX features one serial transmitter capable of supporting S/PDIF, IEC958, IEC1937, CP-340, and AES/EBU digital audio formats

–Triple Timer module

–On-chip peripheral registers memory mapped in data memory space

•Reduced Power Dissipation

–Very low power (3.3 V) CMOS design

–Wait and Stop low-power standby modes

–Fully-static logic, operation frequency down to 0 Hz (DC)

–Optimized power management circuitry

–144-pin plastic Thin Quad Flat Pack (TQFP) surface-mount package

MOTOROLADSP56362 Product Brief3

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