R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 220

• 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: -

Section 7 Memory Management Unit (MMU)
• SH: Share status bit
• SZ[1:0]: Page size bits
• V: Validity bit
• PPN: Physical page number
• PR[1:0]: Protection key data
• C: Cacheability bit
Rev.1.00 Dec. 13, 2005 Page 168 of 1286
REJ09B0158-0100
When 0, pages are not shared by processes.
When 1, pages are shared by processes.
Specify the page size.
00: 1-Kbyte page
01: 4-Kbyte page
10: 64-Kbyte page
11: 1-Mbyte page
Indicates whether the entry is valid.
0: Invalid
1: Valid
Cleared to 0 by a power-on reset.
Not affected by a manual reset.
Upper 22 bits of the physical address of the physical page number.
With a 1-Kbyte page, PPN[28:10] are valid.
With a 4-Kbyte page, PPN[28:12] are valid.
With a 64-Kbyte page, PPN[28:16] are valid.
With a 1-Mbyte page, PPN[28:20] are valid.
The synonym problem must be taken into account when setting the PPN (see section 7.4.5,
Avoiding Synonym Problems).
2-bit data expressing the page access right as a code.
00: Can be read from only in privileged mode
01: Can be read from and written to in privileged mode
10: Can be read from only in privileged or user mode
11: Can be read from and written to in privileged mode or user mode
Indicates whether a page is cacheable.
0: Not cacheable