HD6417750RF240DV Renesas Electronics America, HD6417750RF240DV Datasheet - Page 178

• Manufacturer Part Number: HD6417750RF240DV
• Description: MPU 3V 16K I-TEMP,PB-FREE 208-QF
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417750RF240DV

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 240MHz
• 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): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 208-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Section 3 Memory Management Unit (MMU)
Rev.7.00 Oct. 10, 2008 Page 92 of 1074
REJ09B0366-0700
Access prohibited
Instruction TLB
miss exception
Search UTLB
Match?
VA is
in P4 area
Instruction TLB protection
violation exception
No
No
Figure 3.11 Flowchart of Memory Access Using ITLB
Yes
VA is
in P2 area
0
VPNs match
Record in ITLB
Instruction access to virtual address (VA)
and V = 1
Hardware ITLB
miss handling
Yes
CCR.ICE?
0
VA is
in P1 area
1
and CCR.ICE = 1
Cache access
C = 1
PR?
1
0 (User)
Yes
No
No
No
and (MMUCR.SV = 0 or
and ASIDs match and
MMUCR.AT = 1
entry matches
VPNs match
SR.MD = 0)
No
Only one
SR.MD?
SH = 0
V = 1
1 (Privileged)
Yes
Yes
Yes
Yes
VA is in P0, U0,
or P3 area
Memory access
(Non-cacheable)
multiple hit exception
Instruction TLB
No