R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 1244
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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24. Multimedia Card Interface (MMCIF)
(4)
Broadcast, relative address, and flash memory operation commands include a number of
commands that do not include data transfer. Such commands execute the desired data transfer
using command arguments and command responses. For a command that is related to time-
consuming processing such as flash memory write/erase, the card indicates the data busy state via
the MMCDAT.
Figures 24.5 and 24.6 show examples of the command sequence for commands without data
transfer.
Figure 24.7 shows the operational flow for commands without data transfer.
• Make settings to issue the command.
• Set the CMDSTART bit in CMDSTRT to 1 to start command transmission.
Rev.1.00 Jan. 10, 2008 Page 1212 of 1658
REJ09B0261-0100
Command transmission completion can be confirmed by the command transmit end interrupt
(CMDI).
Operation of Commands without Data Transfer
Figure 24.4 Example of Operational Flow for Commands
Set command data in CMDR0 to CMDR4
Set the CMDSTART bit in CMDSTRT to 1
Set command response type in RSPTYR
Not Requiring Command Response
Set command type in CMDTYR
Start of command sequence
End of command sequence
(CMDI) interrupt detected?
Yes
No
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