TMPR4937XBG-300 Toshiba, TMPR4937XBG-300 Datasheet - Page 260
TMPR4937XBG-300
Manufacturer Part Number
TMPR4937XBG-300
Description
Manufacturer
Toshiba
Datasheet
1.TMPR4937XBG-300.pdf
(552 pages)
Specifications of TMPR4937XBG-300
Family Name
TX49
Device Core Size
64b
Frequency (max)
300MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
1.5V
Operating Supply Voltage (max)
1.6V
Operating Supply Voltage (min)
1.4V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
484
Package Type
BGA
Lead Free Status / Rohs Status
Compliant
Available stocks
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Price
Company:
Part Number:
TMPR4937XBG-300
Manufacturer:
TOSHIBA
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DSP
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10.1.3
10.1.4
10.1.5
Target Function
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PCI Arbiter
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PDMAC (PCI DMA Controller)
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Single and Burst transfer from the PCI Bus to the Internal Bus
Supports memory, I/O, and configuration cycles
Supports high-speed back-to-back transactions on the PCI Bus
Address mapping between the PCI Bus and the Internal bus can be modified
Mounted 8-stage 64-bit data FIFO for Read
Mounted 12-stage 64-bit data FIFO for Write
Post Write function enables quick termination of a maximum of nine Write transactions by the PCI
Bus without waiting for completion on the G-Bus.
Read Burst length (pre-fetch data size) on the Internal Bus when reading a pre-fetchable space can
be made programmable
Endian switching function
Supports four external PCI bus masters
Uses the Programmable Fairness algorithm (two levels with different priorities for four round-
robin request/grant pairs)
Supports bus parking
Bus master uses the Most Recently Used algorithm
Unused slots and broken masters can be automatically disabled after Power On reset
On-chip arbitration function can be disabled and external arbiter can be used
Direct Memory Access (DMA) Controller dedicated to 1-channel PCI
Is possible to transfer data using minimal G-Bus bandwidth
Data can be transferred bidirectionally between the G-Bus and the PCI Bus
Specifying a physical address on the PCI Bus and an address on the G-Bus makes it possible to
automatically transfer data between the PCI Bus and the G-Bus
Supports the Chain DMA mode, in which a Descriptor containing chain-shaped addresses and a
transfer size is automatically read from memory while DMA transfer continuous
On-chip 4-stage 64-bit data buffer
10-2
Chapter 10 PCI Controller
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