R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 238
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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Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7. Memory Management Unit (MMU)
(5)
The CB bit in CCR is invalid. Whether a cacheable write for the P1 area is performed in copy-
back mode or write-though mode is determined by the WT bit in the PMB.
(6)
The MT bit in IRMCR is valid for a memory-mapped PMB write.
(7)
AREA0[4:2]/AREA1[4:2] fields of QACR0/QACR1 are extended to AREA0[7:2]/AREA1[7:2]
corresponding to physical address [31:26].
(8)
L0SADR, L1SADR, L0DADR, and L1DADR fields are extended to bits 31 to 10.
When using 32-bit address mode, the following notes should be applied to software.
1. For the SE bit switching, switching from 0 to 1 is only supported in a boot routine which is
2. After switching the SE bit, an area in which the program is allocated becomes the target of the
3. When an external memory access occurs by an operand memory access located before the
4. Note that the V bit is mapped to both address array and data array in PMB registration. That is,
Rev.1.00 Jan. 10, 2008 Page 206 of 1658
REJ09B0261-0100
allocated in an area where caching and TLB-based address translation are not allowed and runs
after a power-on reset or manual reset.
PMB address translation. Therefore, the area should be recorded in the PMB before switching
the SE bit. An address which may be accessed in the P1 or P2 area such as the exception
handler should also be recorded in the PMB.
MOV.L instruction which switches the SE bit, external memory space addresses accessed in
both address modes should be the same.
first write 0 to the V bit in one of arrays and then write 1 to the V bit in another array.
CCR.CB
IRMCR.MT
QACR0, QACR1
LSA0, LSA1, LDA0, LDA1
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