R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 250

• 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: -

Section 8 Caches
The operand cache of this LSI uses the 4-way set-associative, each way comprising 256 cache
lines. Figure 8.1 shows the configuration of the operand cache.
The instruction cache is 4-way set-associative, each way is comprising 256 cache lines. Figure 8.2
shows the configuration of the instruction cache.
Rev.1.00 Dec. 13, 2005 Page 198 of 1286
REJ09B0158-0100
Virtual address
31
22
19
MMU
Entry selection
8
255
0
Figure 8.1 Configuration of Operand Cache (OC)
19 bits
Comparison
(way 0 to way 3)
Tag
Address array
Hit signal
(Way 0 to way 3)
1 bit 1 bit
U
V
3
32 bits
LW0
12
32 bits
10
LW1
Read data
32 bits
LW2
[12:5]
(way 0 to way 3)
32 bits
Data array
LW3
5 4
32 bits
LW4
Longword (LW) selection
2
32 bits
Write data
LW5
0
32 bits
LW6
32 bits
LW7
LRU
6 bits