TMPR4937XBG-300 Toshiba, TMPR4937XBG-300 Datasheet - Page 535
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
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– Only one channel performs single transfer
– Two or more channels perform single transfer
(1) Single transfer performed with only one channel
(2) Single transfer performed with one channel and burst transfer
(3) Single transfer (performed with two to four channels)
(4) Single transfer performed with two to three channels and burst transfer
Perform either (a) or (b) to prevent a malfunction.
Perform (b) to prevent a malfunction.
Perform (a) to prevent a malfunction.
Perform (a) to prevent a malfunction. For the channel used for burst transfer, set the same offset to
DMSARn and DMDARn, or set 1 to DMCCRn.USEXFSZ. (Set the on-chip FIFO to be shared
with multiple DMA channels by which no data remains in FIFO.)
In dual address burst transfer, when 0 is set to the transfer size mode bit and the offset value is
different between source address and destination address, data may remain in FIFO. (See 8.3.8.2
Burst Transfer During Dual address Transfer.) When a bus error occurs during single transfer for
which workaround (a) is performed, data is erased if it remains in FIFO during burst transfer. This
occurs because FIFO is reset due to a bus error. Since DMAC does not detect data erasing, you
need to set FIFO to contain no data.
23-5
Chapter 23 Notes on Use of TMPR4937
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