HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 442
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
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Manufacturer
Quantity
Price
Company:
Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 12 Bus State Controller (BSC)
12.5.4
The number of cycles from CSn assertion to RD and WEn (BEn) assertion can be specified by
setting bits SW1 and SW0 in CSnWCR. The number of cycles from RD and WEn (BEn) negation
to CSn negation can be specified by setting bits HW1 and HW0. Therefore, a flexible interface to
an external device can be obtained. Figure 12.11 shows an example. A Th cycle and a Tf cycle are
added before and after an ordinary cycle, respectively. In these cycles, RD and WEn (BEn) are not
asserted, while other signals are asserted. The data output is prolonged to the Tf cycle, and this
prolongation is useful for devices with slow writing operations.
Rev. 1.00 Dec. 27, 2005 Page 398 of 932
REJ09B0269-0100
CSn Assert Period Expansion
Read
Write
A25 to A0
WEn (BEn)
D31 to D0
D31 to D0
Figure 12.11 CSn Assert Period Expansion
DACKn*
RD/WR
CKIO
CSn
Note: * The waveform for DACKn is when active low is specified.
RD
BS
Th
T1
T2
Tf
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