R8A77850ADBGV#RD0Z Renesas Electronics America, R8A77850ADBGV#RD0Z Datasheet - Page 276
R8A77850ADBGV#RD0Z
Manufacturer Part Number
R8A77850ADBGV#RD0Z
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ADBGV#RD0Z
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
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R8A77850ADBGV#RD0ZR8A77850ADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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9. On-Chip Memory
(2)
• Capacity
• Page
• Memory map
Table 9.2
• Ports
• Priority
(3)
• Capacity
• Access method
• Memory map
Rev.1.00 Jan. 10, 2008 Page 244 of 1658
REJ09B0261-0100
Page
Page 0
Page 1
The IL memory in this LSI is 8 Kbytes.
The IL memory is divided into two pages (pages 0 and 1).
The IL memory is allocated to the addresses shown in table 9.2 in both the virtual address
space and the physical address space.
The page has three independent read/write ports and is connected to the SuperHyway bus, the
cache/RAM internal bus, and the instruction bus. The instruction bus is used when the IL
memory is accessed through instruction fetch. The cache/RAM internal bus is used when the
IL memory is accessed through operand access. The SuperHyway bus is used for IL memory
access from the SuperHyway bus master module.
In the event of simultaneous accesses to the same page from different buses, the access
requests are processed according to priority. The priority order is: SuperHyway bus >
cache/RAM internal bus > instruction bus.
The U memory in this LSI is 128 Kbytes.
Instruction fetch and operand write access are performed via the cache/RAM internal bus.
Operand read access is optimized for sequential operand access by using the read buffer.
The U memory is allocated to the addresses shown in table 9.3 in both the virtual address
space and the physical address space.
IL Memory
U Memory
IL Memory Addresses
Memory Address
H'E520 0000 to H'E520 0FFF
⎯
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