HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 27

• Manufacturer Part Number: HD6417751RF240V
• Description: MPU 1.5/3.3V 0K PB-FREE 256-QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

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: -

Item
13.3.5 Synchronous
DRAM Interface
Figure 13.23 Example
of 32-Bit Data Width
Synchronous DRAM
Connection (Area 3)
Burst Read:
Figure 13.24 Basic
Timing for Synchronous
DRAM Burst Read
Refreshing:
• Auto-Refreshing
Figure 13.36
Synchronous DRAM
Auto-Refresh Timing
• Self-Refreshing
Figure 13.37
Synchronous DRAM
Self-Refresh Timing
Power-On Sequence:
Figure 13.38 (1)
Synchronous DRAM
Mode Write Timing
(PALL)
Page
427, 428 Description deleted
428
431
448
450
452
Revision (See Manual for Details)
The control signals for connection of synchronous DRAM are
RAS, CASS, RD/WR, CS2 or CS3, DQM0 to DQM3, and CKE.
…
Commands for synchronous DRAM are specified by RAS,
CASS, RD/WR, and specific address signals. …
Figure amended
Figure amended
Figure amended
D31−D0
Figure amended
D31−D0
Figure amended
D31–D0
SH7751/SH7751R
D31–D16
A11–A2
RD/WR
DQM3
DQM2
CASS
CKIO
CKE
RAS
CS3
Rev.4.00 Oct. 10, 2008 Page xxv of xcviii
REJ09B0370-0400