HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 482
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)
• For Synchronous DRAM Interface:
AMX
7
Note:
Bit 2—Refresh Control (RFSH): Specifies refresh control. Selects whether refreshing is
performed for DRAM and synchronous DRAM. When the refresh function is not used, the refresh
request cycle generation timer can be used as an interval timer.
Bit 2: RFSH
0
1
Rev.4.00 Oct. 10, 2008 Page 382 of 1122
REJ09B0370-0400
0
1
2
3
4
5
6
*
a[x]: External address, not address pin
AMXEXT
—
0
1
0
1
—
—
—
—
0
1
Description
Refreshing is not performed
Refreshing is performed
SZ
32
Example Synchronous DRAM
Configurations
(16M: 256K × 32 bits × 2) × 1
(16M: 512K × 16 bits × 2) × 2
(16M: 512K × 16 bits × 2) × 2
(16M: 1M × 8 bits × 2) × 4
(16M: 1M × 8 bits × 2) × 4
(64M: 1M × 16 bits × 4) × 2
(64M: 2M × 8 bits × 4) × 4
(64M: 512K × 32 bits × 4) × 1
(64M: 1M × 32 bits × 2) × 1
(64M: 4M × 4 bits × 4) × 8
(256M: 4M × 16 bits × 4) × 2
BANK
a[21]*
a[20]*
a[22]*
a[21]*
a[23:22]*
a[24:23]*
a[22:21]*
a[22]*
a[25:24]*
a[25:24]*
a[20]*
(Initial value)
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