R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 240
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7. Memory Management Unit (MMU)
(2)
1. Invalidate the entry remaining in the ITLB by writing 1 to the TI bit in MMUCR.
2. In the memory-mapped PMB, change PMB entries.
3. Execute one of the following steps, A, B, and C. Do not execute a branch or operand access for
Rev.1.00 Jan. 10, 2008 Page 208 of 1658
REJ09B0261-0100
C. If the MT bit in IRMCR is set to 0 (initial value) before accessing the memory-mapped
However, correct operation with method C may no longer be guaranteed in future SuperH-
family products. Selection of step A or B is recommended to ensure compatibility with future
SuperH-family products.
the P1 or P2 area before this execution.
A. Perform a branch using the RTE instruction.
B. Execute the ICBI instruction for any address (including non-cacheable area).
C. If the MT bit in IRMCR is set to 0 (initial value) before accessing the memory-mapped
However, correct operation with method C may no longer be guaranteed in future SuperH-
family products. Selection of step A or B is recommended to ensure compatibility with future
SuperH-family products.
When the Program Modifying the PMB is in Areas Other than the P1 or P2 Area
PMB, no specific sequence is required.
PMB, no specific sequence is required.
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