R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 1249

• 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: -

• The end of the command sequence is detected by poling the BUSY flag in CSTR, by the data
• Write the CMDOFF bit to 1 if a CRC error (CRCERI) or a command timeout error (CTERI)
• Clear the FIFO by writing the CMDOFF bit to 1, when CRC error (CRCERI) and data timeout
Input/output pins
(CMDSTART)
(FIFO_FULL)
(RD_CONTI)
transfer end interrupt (DTI) or pre-defined multiple block transfer end (BTI).
occurs in the command response reception.
error (DTERI) occurs in the read data reception.
CMDSTRT
(CMDOFF)
MMCCMD
MMCCLK
MMCDAT
INTSTR0
(CWRE)
(BUSY)
(REQ)
OPCR
(CMDI)
(CRPI)
CSTR
(FFI)
(DTI)
Figure 24.8 Example of Command Sequence for Commands with Read Data
CMD17 (READ_SINGLE_BLOCK)
Command
transmission
started
Command
(Block Size ≤ FIFO Size)
Single block read command execution sequence
Command response
Rev.1.00 Jan. 10, 2008 Page 1217 of 1658
24. Multimedia Card Interface (MMCIF)
Read data
REJ09B0261-0100