TMPR4937XBG-300 Toshiba, TMPR4937XBG-300 Datasheet - Page 160
![no-image](/images/manufacturer_photos/0/6/668/toshiba_sml.jpg)
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TMPR4937XBG-300
Manufacturer:
TOSHIBA
Quantity:
16 845
Company:
Part Number:
TMPR4937XBG-300
Manufacturer:
DSP
Quantity:
81
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Controller
8.3
DMAC0
DMAC1
DMA
8.3.1
Detailed Explanation
Memory-Memory Copy
Memory-Memory Copy
Transfer Mode
below). The setting of the External Request bit (DMCCRn.EXTRQ) of the DMA Channel Control
Register selects whether transfer with an I/O device is a DMA transfer.
•
•
Internal I/O (ACLC)
Transfer Mode
Internal I/O (SIO)
The DMA Controller (DMAC0, DMAC1) supports five transfer mode types (refer to Table 8.3.1
(Single Address)
(Dual Address)
External I/O
External I/O
Fill Memory
Fill Memory
I/O DMA Transfer Mode (DMCCRn.EXTRQ = “1”)
Perform DMA transfer with either an external device connected to the External Bus Controller or
an on-chip I/O device (ACLC or SIO).
Memory Transfer Mode (DMCCRn.EXTRQ = “0”)
Either copies data between memory devices or fills data in memory.
Table 8.3.1 DMA Controller Transfer Modes
DMCCRn
EXTREQ
1
1
1
0
0
1
0
0
DMASEL
PCFG
8-4
⎯
⎯
⎯
⎯
⎯
0
0
1
DMCCRn
SNGAD
Chapter 8 DMA Controller
1
0
0
0
1
0
0
1
DMSAR
√
√
√
√
√
√
√
√
DMDAR
⎯
⎯
⎯
√
√
√
√
√
Ref.
8.3.3
8.3.7
8.3.3
8.3.8
8.3.4
8.3.8
8.3.4
8.3.8
8.3.6
8.3.7
8.3.4
8.3.8
8.3.4
8.3.8
8.3.6
8.3.7
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