R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 491

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77800ANBGAV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 75
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 449-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Figure 12.14 DDRIF Basic Timing (Enter Self-Refresh/Exit to Command Issuing)
Command
MA13-11
(MCLK)
MA9-0
MRAS
MCAS
MCLK
BA1-0
Notes: 1. The time where the CKE signal rises should satisfy the refresh interval conditions
MA10
MWE
MCS
CKE
2. These parameters must satisfy the refresh-interval specification of the SDRAM.
of the SDRAM in use.
tXSNR is for all commands other than read commands. tXSRD is for read
commands, and is usually at least 200 clock cycles.
REFS
T0
T1
Self refresh
*
1
REFSX
Section 12 DDR-SDRAM Interface (DDRIF)
Rev.1.00 Dec. 13, 2005 Page 439 of 1286
t
XSNR
/t
XSRD
*
2
Any
Command
T0
REJ09B0158-0100
T1