R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1398
![IC SUPERH MPU ROMLESS 499BGA](/photos/12/43/124352/r5s77631y266bgv_sml.jpg)
R5S77631Y266BGV
Manufacturer Part Number
R5S77631Y266BGV
Description
IC SUPERH MPU ROMLESS 499BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R5S77631Y266BGV.pdf
(2056 pages)
Specifications of R5S77631Y266BGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
266MHz
Connectivity
Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
107
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
499-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 31 Multimedia Card Interface (MMCIF)
31.4
The multimedia card is an external storage media that can be easily connected or disconnected.
The MMCIF controls data transfer with the multimedia card and operates in MMC mode.
Insert a card and supply power to it. Then operate the MMCIF by applying the transfer clock after
setting an appropriate transfer clock frequency. In this case, MMC_VDDON and MMC_ODMOD
are available for card power supply control and open-drain mode control, respectively.
A series of operations starting with sending out commands, receiving a command response,
data transmit/receive, receiving data responses, etc. is called the command sequence. The
command response starts with sending out commands by setting the START bit in CMDSTRT
and ends with the completion of all data transmit/receive and responses. The multimedia card may
go into the data busy state in which the card receives only special commands caused by writing to
or erasing the flash memory in the card. The data busy state is indicated by a ‘0’ output from the
card through the DAT pin.
Notes: Do not connect or disconnect the card during command sequence execution or in the data
31.4.1
MMC mode is an operating mode in which the transfer clock is output from the MMC_CLK pin,
command transmission/response reception occurs via the MMC_CMD pin, and data is
transmitted/received via the MMC_DAT pin. In this pin configuration, the next command can be
issued while data is being transmitted or received.
This feature is utilized for multiblock or stream transfer. The CMD12 command is an example of
where the current command sequence is aborted.
In MMC mode, broadcast commands that simultaneously issue commands to multiple cards are
supported. After information from the inserted cards is recognized through a broadcast command,
a relative address is given to each card. One card is selected by the relative address with other
cards deselected, and then various commands are issued to the selected card.
Commands in MMC mode are basically classified into three types: broadcast, relative address, and
flash memory operation commands. The card can be operated by issuing these commands
appropriately according to the card state.
Rev. 2.00 May 22, 2009 Page 1328 of 1982
REJ09B0256-0200
busy state.
Operation
Operations in MMC Mode
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