HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 105

• 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
Cache memory
[SH7751]
Cache memory
[SH7751R]
Features
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Instruction cache (IC)
⎯ 8 Kbytes, direct mapping
⎯ 256 entries, 32-byte block length
⎯ Normal mode (8-Kbyte cache)
⎯ Index mode
Operand cache (OC)
⎯ 16 Kbytes, direct mapping
⎯ 512 entries, 32-byte block length
⎯ Normal mode (16-Kbyte cache)
⎯ Index mode
⎯ RAM mode (8-Kbyte cache + 8-Kbyte RAM)
⎯ Choice of write method (copy-back or write-through)
Single-stage copy-back buffer, single-stage write-through buffer
Cache memory contents can be accessed directly by address mapping
(usable as on-chip memory)
Store queue (32 bytes × 2 entries)
Instruction cache (IC)
⎯ 16 Kbytes, 2-way set associative
⎯ 256 entries/way, 32-byte block length
⎯ Cache-double-mode (16-Kbyte cache)
⎯ Index mode
⎯ SH7751-compatible mode (8 Kbytes, direct mapping)
Operand cache (OC)
⎯ 32 Kbytes, 2-way set associative
⎯ 512 entries/way, 32-byte block length
⎯ Cache-double-mode (32-Kbyte cache)
⎯ Index mode
⎯ RAM mode (16-Kbyte cache + 16-Kbyte RAM)
⎯ Choice of write method (copy-back or write-through)
⎯ SH7751-compatible mode (16 Kbytes, direct mapping)
Single-stage copy-back buffer, single-stage write-through buffer
Cache memory contents can be accessed directly by address mapping
(usable as on-chip memory)
Store queue (32 bytes × 2 entries)
Rev.4.00 Oct. 10, 2008 Page 5 of 1122
REJ09B0370-0400
1. Overview