R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 1274

• Manufacturer Part Number: R8A77850ANBGV
• Description: IC SUPERH MPU ROMLESS 436-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77850ANBGV

• 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: -20°C ~ 75°C
• Package / Case: 436-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1242 of 1658
REJ09B0261-0100
No
No
Figure 24.22 Example of Read Sequence Flow (Single Block Transfer)
(Set CMDR then CMDSTRT)
Start of command sequence
Set DMACR (in the MMCIF)
End of command sequence
Read response register
Clear DMACR to H'00
Set the size of block
Configure the DMAC
Set DMACR to H'84
for transfer in TBCR
DMA transfer end?
CRCERI interrupt
Response status
CRCERI interrupt
Execute CMD17
Execute CMD16
DTERI interrupt
CRPI interrupt
DTI interrupt
normal end?
Clear FIFO
detected?
detected?
detected?
detected?
detected?
normal?
CMD16
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
No
Clear DMACR to H'00
Set CMDOFF to 1
Clear FIFO
Clear DMACR to H'00
Set CMDOFF to 1
CTERI interrupt
detected?
Yes
No