HD6417750RF200DV Renesas Electronics America, HD6417750RF200DV Datasheet - Page 197

• Manufacturer Part Number: HD6417750RF200DV
• Description: MPU 1.5/3.3V 0K I-TEMP PB-FREE 2
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417750RF200DV

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 28
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.35 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 208-QFP Exposed Pad, 208-eQFP, 208-HQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

4.1
4.1.1
An SH7750 or SH7750S has an on-chip 8-Kbyte instruction cache (IC) for instructions and 16-
Kbyte operand cache (OC) for data. Half of the memory of the operand cache (8 Kbytes) may
alternatively be used as on-chip RAM. The features of this cache are summarized in table 4.1
The SH7750R has an on-chip 16-Kbyte instruction cache (IC) for instructions and 32-Kbyte
operand cache (OC) for data. Half of the memory of the operand cache (16 Kbytes) may
alternatively be used as on-chip RAM. When the EMODE bit of the CCR register is 0, the
SH7750R's cache is set to operate in the SH7750/SH7750S-compatible mode and behaves as
shown in table 4.1. The features of the cache when the EMODE bit in the CCR register is 1 are
given in table 4.2. The EMODE bit is initialized to 0 after a power-on reset or manual reset.
For high-speed writing to external memories, this LSI supports 32 bytes × 2 of store queues (SQ).
Table 4.3 lists the features of these SQs.
Table 4.1
Item
Capacity
Type
Line size
Entries
Write method
Overview
Features
Cache Features (SH7750, SH7750S)
Instruction Cache
8-Kbyte cache
Direct mapping
32 bytes
256
Section 4 Caches
Rev.7.00 Oct. 10, 2008 Page 111 of 1074
Operand Cache
16-Kbyte cache or 8-Kbyte cache +
8-Kbyte RAM
Direct mapping
32 bytes
512
Copy-back/write-through selectable
REJ09B0366-0700
Section 4 Caches