R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 230

• Manufacturer Part Number: R5S77631Y266BGV
• Description: IC SUPERH MPU ROMLESS 499BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R5S77631Y266BGV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 266MHz
• Connectivity: Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 107
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 499-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 6 Memory Management Unit (MMU)
6.3.3
Figure 6.9 shows a flowchart of a memory access using the UTLB.
Rev. 2.00 May 22, 2009 Page 160 of 1982
REJ09B0256-0200
Internal resource access
Address Translation Method
VA is
in P4 area
Data TLB protection
violation exception
Data TLB multiple
Data TLB miss
hit exception
exception
00 or
01
Figure 6.9 Flowchart of Memory Access Using UTLB
VA is
in P2 area
W
0
1
R/W?
PR?
10
R
CCR.OCE?
CCR.CB?
(Non-cacheable)
Memory access
1
Data access to virtual address (VA)
VA is
in P1 area
0
0 (User)
R/W?
11
R
Initial page write
W
No
exception
0
0
D?
0
VPNs match
in copy-back mode
CCR.OCE?
W
and V = 1
CCR.WT?
Cache access
1
1
Yes
1
R/W?
R
01 or 11
Data TLB protection
violation exception
VA is in P0, U0,
or P3 area
No
No
No
No
0
No
PR?
and (MMUCR.SV = 0 or
in write-through mode
ASIDs match, and
MMUCR.AT = 1
entry matches
Cache access
CCR.OCE = 1
VPNs match,
SR.MD = 0)
Only one
C = 1 and
SR.MD?
SH = 0
V = 1
WT?
W
Yes
Yes
Yes
1 (Privileged)
Yes
1
Yes
R/W?
R
00 or 10