HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 278
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 7 X/Y Memory
via the I bus, which does not use the cache, with MMU setting enabled (MMUCR.AT = 1) and
cache disabled (C bit = 0) as page attributes. Since access using the MMU occurs via the I bus,
several cycles are necessary (the number of necessary cycles varies according to the ratio between
the internal clock (Iφ) and bus clock (Bφ) or the operation state of the DMAC and E-DMAC). In a
program that requires high performance, it is advisable to access the X/Y memory from space P2
or Uxy.
The relationship described above is summarized in table 7.2.
Table 7.2
[Legend]
7.3.4
In sleep mode, I bus master modules such as the DMAC and E-DMAC cannot access the X/Y
memory.
7.3.5
If writing that may causes an address error is performed on the X/Y memory, the contents of the
X/Y memory are not guaranteed.
Rev. 1.00 Dec. 27, 2005 Page 234 of 932
REJ09B0269-0100
CCR1.CE
0
0
1
1
Sleep Mode
Address Error
A:
B:
C:
X:
Setting
MMU and Cache Settings
MMUCR.AT
0
1
0
1
Accessible (recommended)
Accessible
Accessible (Note that MMU page attribute must be specified as cache disabled
by clearing the C bit to 0.)
Not Accessible
P0, U0
B
B
X
C
Logical Address Space and Access Enabled or Disabled
P1
B
B
X
X
P2, Uxy
A
A
A
A
P3
B
B
X
C
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