R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 223

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77800ANBGAV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 75
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 449-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

7.3.3
Figure 7.9 shows a flowchart of a memory access using the UTLB.
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 7.9 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
CCR.WT?
and V = 1
Cache access
1
1
Yes
1
Section 7 Memory Management Unit (MMU)
R/W?
Rev.1.00 Dec. 13, 2005 Page 171 of 1286
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
Cache access
entry matches
CCR.OCE = 1
VPNs match,
SR.MD = 0)
Only one
C = 1 and
SR.MD?
SH = 0
V = 1
WT?
W
REJ09B0158-0100
Yes
Yes
Yes
1 (Privileged)
Yes
1
Yes
R/W?
R
00 or 10