R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 432
![IC SUPERH MPU ROMLESS 436-BGA](/photos/28/62/286211/436-bfbga_sml.jpg)
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 432 of 1694
- Download datasheet (9Mb)
11. Local Bus State Controller (LBSC)
(4)
Area 3 is an area where bits 28 to 26 in the local bus address are 011.
The interface that can be set for this area is the SRAM, MPX, or burst ROM interface.
A bus width of 8, 16, 32, or 64 bits is selectable by bits SZ in CS3BCR. When the MPX interface
is used, a bus width of 32 or 64 bits should be selected by the SZ bits in CS3BCR.
When area 3 is accessed, the CS3 signal is asserted. When the SRAM interface is set, the RD
signal, which can be used as OE, and write control signals WE0 to WE7 are asserted.
For the number of bus cycles, 0 to 25 wait cycles inserted can be selected by CS3WCR.
When the burst ROM interface is used, the number of a burst pitch is selectable in the range from
0 to 7 with the BW bits in CS3BCR.
Any number of wait cycles can be inserted in each bus cycle through the external wait pin (RDY).
(when no cycles are inserted, the RDY signal is ignored.)
The setup/hold time of the address, the assert delay cycle of the read/write strobe signals for CS3
assertion and the CS3 negate delay cycle for the read/write strobe signals negation can be set in
the range from 0 to 7 cycles by CS3WCR. The BS hold cycles can be set to 1 or 2 when the RDS
bits in CS3WCR are not 000 in reading and the WTS bits in CS3WCR are not 000 in writing.
(5)
Area 4 is an area where bits 28 to 26 in the local bus address are 100.
The interface that can be set for this area is the SRAM, MPX, byte control RAM, and burst ROM
interface.
A bus width of 8, 16, 32, or 64 bits is selectable by bits SZ in CS4BCR. When the MPX interface
is used, a bus width of 32 bits should be selected through bits SZ in CS4BCR. When the byte
control SRAM interface is used, select a bus width of 16, 32, or 64 bits. For details, see section
11.3.2, Memory Bus Width.
When area 4 is accessed, the CS4 signal is asserted.
When the SRAM interface is set, the RD signal, which can be used as OE, and write control
signals WE0 to WE7 are asserted. For details, see section 11.5.8, Wait Cycles between Access
Cycles.
Rev.1.00 Jan. 10, 2008 Page 400 of 1658
REJ09B0261-0100
Area 3
Area 4
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