R8A77850BDBGV#RD0Z Renesas Electronics America, R8A77850BDBGV#RD0Z Datasheet - Page 389
R8A77850BDBGV#RD0Z
Manufacturer Part Number
R8A77850BDBGV#RD0Z
Description
IC SUPERH MPU ROMLESS 436BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850BDBGV#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
-
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11.3.2
The memory bus width of the LBSC can be set independently for each area. In area 0, a bus width
of 8, 16, 32, or 64 bits is selected according to the external pin settings at a power-on reset by the
PRESET pin. The relation between the external pins (MODE 6 and MODE 5) and the bus width at
a power-on reset is shown below.
Note: When using 64 bits bus width, the MODE 12 and MODE11 must be set to 1 and 0
By setting MODE12 and MODE11 to 1 and 0 respectively, D63 to D32 and WE7 and WE4 can be
used in the LBSC. When 64-bit bus is used, set MODE12 and MODE11 to 1 and 0 respectively.
The relationship between MODE12 and MODE11 and bus mode is shown below.
When the SRAM or ROM interface is used in areas 0 to 6, a bus width of 8, 16, 32, or 64 bits can
be selected by the CSn bus control register (CSnBCR). When the burst ROM interface is used, a
bus width of 8, 16, 32, or 64 bits can be selected. When the byte control SRAM interface is used, a
bus width of 16, 32, or 64 bits can be selected. When the MPX interface is used, the bus width
should be set to 32 or 64 bits.
When the PCMCIA interface is used, the bus width should be set to 8 or 16 bits. For details, see
section 11.5.5, PCMCIA Interface.
For details of memory bus width, see section 11.4.3, CSn Bus Control Register (CSnBCR).
The address range of area 7, from H'1C00 0000 to H'1FFFF FFFF, is reserved and must not be
used.
MODE6
0
0
1
1
MODE12
0
0
1
1
respectively.
Memory Bus Width
MODE5
0
1
0
1
MODE11
0
1
0
1
Bus Width
64 bits
8 bits
16 bits
32 bits
Bus Mode (D[63:32] and WE[7:4])
PCI (host)
PCI (normal)
LBSC
DU
Rev.1.00 Jan. 10, 2008 Page 357 of 1658
11. Local Bus State Controller (LBSC)
REJ09B0261-0100
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