Computer Hardware User Manual

DSP56362
24-Bit Audio Digital Signal Processor
MOTOROLA DSP56362 Product Brief 3
– 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
• I
2
S, Sony, AC97, and other audio protocol implementations
• Asynchronous and synchronous operation
– Serial Host Interface (SHI) features:
• SPI and I
2
C 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
PACKAGE
– 144-pin plastic Thin Quad Flat Pack (TQFP) surface-mount package
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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