R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1395

• Manufacturer Part Number: R5S77631Y266BGV
• Description: IC SUPERH MPU ROMLESS 499BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

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: -

31.3.22 Switch Status Register (SWSR)
SWSR controls the peripheral clock 1 and the internally divided clock when the card is identified.
Bit
7 to 3
2
1, 0
Bit Name

GATE_CDB 0

Initial value:
Initial
Value
All 0
All 0
R/W:
Bit:
—
R
7
0
R/W
R
R/W
R
—
R
6
0
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Clock Control at Card Identification
Stops the clock supply to FF that is not required at card
identification
0: Peripheral clock 1 and internal divided clock
1: Peripheral clock 1 and internal divided clock halted
Reserved
These bits are always read as 0. The write value should
always be 0.
—
R
5
0
operating
—
R
4
0
—
Section 31 Multimedia Card Interface (MMCIF)
R
3
0
Rev. 2.00 May 22, 2009 Page 1325 of 1982
GATE_
R/W
CDB
2
0
—
R
1
0
—
R
0
0
REJ09B0256-0200