R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 986

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

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: -

Section 24 Multimedia Card Interface (MMCIF)
Rev.1.00 Dec. 13, 2005 Page 934 of 1286
REJ09B0158-0100
No
No
Figure 24.22 Example of Read Sequence Flow (Single Block Transfer)
Start of command sequence
Set DMAC-related condition
End of command sequence
transfer block size to TBCR
Clear the DMACR to H'00
Set the DMACR to H'84
Read response register
(CMDR to CMDSTRT)
(CRCERI) interrupt
(CRCERI) interrupt
DMA transfer end?
Set the number of
(DTERI) interrupt
Response status
Execute CMD17
Execute CMD16
(CRPI) interrupt
normal ended?
(DTI) interrupt
normal end?
Set DMACR
Clear FIFO
detected?
detected?
detected?
detected?
detected?
CMD16
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
No
Clear the DMACR to H'00
Set the CMDOFF to 1
Clear FIFO
Clear the DMACR to H'00
Set the CMDOFF to 1
(CTERI) interrupt
detected?
Yes
No