R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 984
![IC SUPERH MPU ROMLESS 449-BGA](/photos/12/46/124616/r8a77800anbgav_sml.jpg)
R8A77800ANBGAV
Manufacturer Part Number
R8A77800ANBGAV
Description
IC SUPERH MPU ROMLESS 449-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77800ANBGV.pdf
(1342 pages)
Specifications of R8A77800ANBGAV
Core Processor
SH-4A
Core Size
32-Bit
Speed
400MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
75
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
449-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77800ANBGAV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 984 of 1342
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Section 24 Multimedia Card Interface (MMCIF)
24.6
24.6.1
In order to transfer data in FIFO with the DMAC, set MMCIF (DMACR) after setting the
DMAC*. Transmit the read command after setting DMACR.
Figure 24.22 to 24.24 shows the operational flow for a read sequence.
• Clear FIFO and make settings in DMACR.
• Read command transmission is started.
• Command response is received from the card.
• Read data is received from the card.
• After the read sequence, data remains in FIFO. If necessary, write 100 to SET[2:0] in DMACR
• Confirm that the DMAC transfer is completed and set the DMAEN bit in DMACR to 0.
• Set the CMDOFF bit to 1 and clear DMACR to H'00 if a CRC error (CRCERI) or a command
• Set the CMDOFF bit to 1, clear DMACR to H'00, and clear FIFO if a CRC error (CRCERI) or
When using DMA, next block read is resumed automatically when the AUTO bit in DMACR is
set to 1 and normal read is detected after the block transfer end of a pre-defined multiple block
transfer. Figure 24.25 shows the operational flow for a pre-defined multiple block read using auto-
mode.
• Clear FIFO.
• Set the block number to TBNCR.
• Set DMACR.
• Read command transmission is started.
• Command response is received from the card.
• Read data is received from the card.
• Detect the command timeout error (CTERI) if a command response is not received from the
• The end of the command sequence is detected by poling the BUSY flag in CSTR or through
Rev.1.00 Dec. 13, 2005 Page 932 of 1286
REJ09B0158-0100
to read all data from FIFO.
timeout error (CTERI) occurs in the command response reception.
a data timeout error (DTERI) occurs in the read data reception.
card.
the pre-defined multiple block transfer end flag (BTI).
Operations when Using DMA
Operation in Read Sequence
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