HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 428
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
Specifications of HD6417712BPV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, FIFO, SCI, SIO
Peripherals
DMA, POR, WDT
Number Of I /o
24
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-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:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 12 Bus State Controller (BSC)
12.5
12.5.1
This LSI supports big endian, in which the 0 address is the most significant byte (MSByte) in the
byte data and little endian, in which the 0 address is the least significant byte (LSByte) in the byte
data. Endian is specified on power-on reset by the external pin (MD5). When MD5 pin is low
level on power-on reset, the endian will become big endian and when MD5 pin is high level on
power-on reset, the endian will become little endian.
Three data bus widths (8 bits, 16 bits, and 32 bits) are available for normal memory and byte-
selection SRAM. Two data bus widths (16 bits and 32 bits) are available for SDRAM. Two data
bus widths (8 bits and 16 bits) are available for PCMCIA interface. Data alignment is performed
in accordance with the data bus width of the device and endian. This also means that when
longword data is read from a byte-width device, the read operation must be done four times. In
this LSI, data alignment and conversion of data length is performed automatically between the
respective interfaces.
Tables 12.6 to 12.11 show the relationship between endian, device data width, and access unit.
Table 12.6 32-Bit External Device/Big Endian Access and Data Alignment
Rev. 1.00 Dec. 27, 2005 Page 384 of 932
REJ09B0269-0100
Operation
Byte access
at 0
Byte access
at 1
Byte access
at 2
Byte access
at 3
Word
access at 0
Word
access at 2
Longword
access at 0
Operation
Endian/Access Size and Data Alignment
D31 to
D24
Data
7 to 0
Data
15 to 8
Data
31 to 24
D23 to
D16
Data
7 to 0
Data
7 to 0
Data
23 to 16
Data Bus
D15 to
D8
Data
7 to 0
Data
15 to 8
Data
15 to 8
D7 to D0
Data
7 to 0
Data
7 to 0
Data
7 to 0
WE3(BE3),
DQMUU
Assert
Assert
Assert
WE2(BE2),
DQMUL
Assert
Assert
Assert
Strobe Signals
WE1(BE1),
DQMLU
Assert
Assert
Assert
WE0(BE0),
DQMLL
Assert
Assert
Assert
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