R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 494

• 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: -

12. DDR2-SDRAM Interface (DBSC2)
Table 12.2 An Example of DDR2-SDRAM Connection
Notes: 1. SDRAM pins should be connected as shown below.
Rev.1.00 Jan. 10, 2008 Page 462 of 1658
REJ09B0261-0100
Memory
Memory #1
Memory #2
Memory #3
Memory #4
2. SDRAM pins should be connected as shown below.
Memory #1 and #2
Pins
CK
CK
Memory #1 to #4
Pins
ODT
CKE
CS
RAS
CAS
WE
A14
A13
A12
A11
A10
A9
MCK1,
MCK1
Connected*
Connected*
(When Four 2-Gb DDR2-SDRAM Units (256 M × 8 Bits) Are Used)
1
1
MCK0,
MCK0
Connected*
Connected*
SH7785 Pins
MCK1
MCK1
SH7785 Pins
MODT
MCKE
MCS
MRAS
MCAS
MWE
MA14
MA13
MA12
MA11
MA10
MA9
1
1
MODT,
MCKE,
MCS,
MRAS,
MCAS,
MWE, MA14
to MA0,
MBA2 to
MBA0
Connected*
Connected*
Connected*
Connected*
2
2
2
2
MDQ31 to
MDQ24,
MDQS3,
MDQS3,
MDM3
Connected*
Memory #3 and #4
Pins
CK
CK
Memory #1 to #4
Pins
A8
A7
A6
A5
A4
A3
A2
A1
A0
BA2
BA1
BA0
3
MDQ23 to
MDQ16,
MDQS2,
MDQS2,
MDM2
Connected*
4
SH7785 Pins
MCK0
MCK0
SH7785 Pins
MA8
MA7
MA6
MA5
MA4
MA3
MA2
MA1
MA0
MBA2
MBA1
MBA0
MDQ15 to
MDQ8,
MDQS1,
MDQS1,
MDM1
Connected*
5
MDQ7 to
MDQ0,
MDQS0,
MDQS0,
MDM0
Connected*
6