R8A77850BDBGV#RD0Z Renesas Electronics America, R8A77850BDBGV#RD0Z Datasheet - Page 498

• Manufacturer Part Number: R8A77850BDBGV#RD0Z
• Description: IC SUPERH MPU ROMLESS 436BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77850BDBGV#RD0Z

• 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: -

12. DDR2-SDRAM Interface (DBSC2)
Rev.1.00 Jan. 10, 2008 Page 466 of 1658
REJ09B0261-0100
32-bit width: MDQS[3:0]
16-bit width: MDQS[1:0]
32-bit width: MDM[3:0]
16-bit width: MDM[1:0]
32-bit width: MDQ[31:0]
16-bit width: MDQ[15:0]
Example of CL = 3
MCK0,
MCK1
MCKE
MCS
MRAS
MCAS
MWE
MA[14:11]
MA[9:0]
MA[10]
MBA[2:0]
SDRAM
command
Invalid
Invalid
Invalid
WRITE
bank A
Invalid
Invalid
Valid
Valid
Valid
Figure 12.2 Burst Access Operation
High level
1
Write data
st
Invalid
Invalid
Invalid
2
nd
3
rd
4
th
bank A
READ
Valid
Valid
Valid
Invalid
Invalid
1
Read data
Invalid
Invalid
Invalid
st
2
nd
3
rd
4
th
Invalid