HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 502
HD6417751RF240V
Manufacturer Part Number
HD6417751RF240V
Description
MPU 1.5/3.3V 0K PB-FREE 256-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417751RBP200DV.pdf
(1226 pages)
Specifications of HD6417751RF240V
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
39
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-QFP Exposed Pad, 256-eQFP, 256-HQFP
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:
HD6417751RF240V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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13. Bus State Controller (BSC)
As regards the number of bus cycles, from 0 to 15 waits can be selected with bits A3W2 to A3W0
in the WCR2 register. In addition, any number of waits can be inserted in each bus cycle by means
of the external wait pin (RDY).
The read/write strobe signal address and CS setup and hold times can be set within a range of 0–1
and 0–3 cycles, respectively, by means of bit A3S0 and bits A3H1 and A3H0 in the WCR3
register.
When synchronous DRAM interface is set, the RAS and CAS signals, RD/WR signal, and byte
control signals DQM0 to DQM3 are asserted, and address multiplexing is performed. When
DRAM interface is set, the RAS signal, CAS0 to CAS3 signals, and RD/WR signal are asserted,
and address multiplexing is performed. RAS, CAS, and data timing control, and address
multiplexing control, can be set using the MCR register.
Area 4: For area 4, physical address bits 28 to 26 are 100.
SRAM, MPX, and byte control SRAM can be set to this area.
A bus width of 8, 16, or 32 bits can be selected with bits A4SZ1 and A4SZ0 in the BCR2 register.
When MPX interface is set, a bus width of 32 bit should be selected with bits A4SZ1 and A4SZ0
in the BCR2 register. When byte control SRAM interface is set, select a bus width of 16 or 32 bits.
For details, see Memory Bus Width in section 13.1.5, Overview of Areas.
When area 4 is accessed, the CS4 signal is asserted, and the RD signal, which can be used as OE,
and write control signals WE0 to WE3, are also asserted.
As regards the number of bus cycles, from 0 to 15 waits can be selected with bits A4W2 to A4W0
in the WCR2 register. In addition, any number of waits can be inserted in each bus cycle by means
of the external wait pin (RDY).
The read/write strobe signal address and CS setup and hold times can be set within a range of 0–1
and 0–3 cycles, respectively, by means of bit A4S0 and bits A4H1 and A4H0 in the WCR3
register.
Rev.4.00 Oct. 10, 2008 Page 402 of 1122
REJ09B0370-0400
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