HD6417727BP100BV Renesas Electronics America, HD6417727BP100BV Datasheet - Page 467
HD6417727BP100BV
Manufacturer Part Number
HD6417727BP100BV
Description
IC SUPERH MPU ROMLESS 240BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417727BP100CV.pdf
(1098 pages)
Specifications of HD6417727BP100BV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
100MHz
Connectivity
FIFO, SCI, SIO, SmartCard, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2.05 V
Data Converters
A/D 6x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
240-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
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Section 14 Direct Memory Access Controller (DMAC)
(2) In the indirect address transfer mode
The address of the memory in which data to be transferred is stored is specified in the transfer
source address register (SAR3) in the DMAC. 16-byte transfer is not provided in this mode.
The address value specified in the transfer source address register in the DMAC is read first,
and this value is temporarily stored in the DMAC. Next, the read value is output as an address,
and data on that address is stored in in the DMAC again. Then, the value read afterwards is
written to the address specified by the transfer destination address register; thus one DMA
transfer is completed.
Figure 14.9 shows an example of this operation. In this example, the transfer destination,
transfer source, and storage destination of the indirect address are all in external memories, and
the transfer data size is 16 or 8 bits. Figure 14.10 shows an example of the transfer timing.
In this mode, one NOP cycle (CK1 cycle shown in figure 14.10) is required to output data
which was read as an indirect address to an address bus.
For a 32-bit data transfer, third and fourth bus cycles shown in figure 14.10 are required twice
for each; a total of six bus cycles and one NOP cycle are required.
Rev.6.00 Mar. 27, 2009 Page 409 of 1036
REJ09B0254-0600
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