R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 204

• 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: -

7. Memory Management Unit (MMU)
• C: Cacheability bit
• D: Dirty bit
• WT: Write-through bit
Rev.1.00 Jan. 10, 2008 Page 172 of 1658
REJ09B0261-0100
EPR[1]: Writing in user mode
EPR[0]: Execution in user mode (instruction fetch)
Indicates whether a page is cacheable.
0: Not cacheable
1: Cacheable
When the control register area is mapped, this bit must be cleared to 0.
Indicates whether a write has been performed to a page.
0: Write has not been performed.
1: Write has been performed.
Specifies the cache write mode.
0: Copy-back mode
1: Write-through mode