R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 762
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14. Direct Memory Access Controller (DMAC)
14.6
Note the following things in using this DMAC.
14.6.1
When the DMAC is operating, it is prohibited to set or clear the corresponding bit of MSTPCR1
that controls H-UDI, UBC, DMAC and GDTA modules operation, and also prohibited to change
any frequencies regarding the operation of this LSI. Operation is not guaranteed if these are
performed.
Check that the DME bits (bit 0) in both DMAOR0 and DMAOR1 are 0 or the TE bits in CHCR0
to CHCR11 are all 1 before stopping modules by MSTPCR1.
14.6.2
When a DMA address error is occurred, set registers of all channels of corresponding DMAOR*
again and then start a transfer.
Note: Set registers of channels 0 to 5 again when the AE bit of DMAOR0 is set to 1, and set
14.6.3
When a NMI interrupt is occurred, DMA transfer is stopped. Set registers of all channels again
after returning from the exception handling routine of a NMI and then start a transfer.
14.6.4
During a burst mode transfer, do not make a transition to sleep mode until the transfer of
corresponding channel has been completed.
14.6.5
When 16- or 32-byte transfer is performed in 8-, 16-, 32-, or 64-bit bus width, longword transfer is
performed in 8- or 16-bit bus width, or word transfer is performed in 8-bit bus width, DMA
transfer units are divided into multiple bus cycles. Note that DACK output is divided-up, like CS,
if DMA transfer size is divided into multiple bus cycles and CS is negated between bus cycles.
Rev.1.00 Jan. 10, 2008 Page 730 of 1658
REJ09B0261-0100
registers of channels 6 to 11 again when the AE bit of DMAOR1 is set to 1.
Usage Notes
Stopping Modules and Changing Frequency
Address Error
NMI Interrupt
Burst Mode Transfer
Divided-Up DACK Output
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