R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 244

• Manufacturer Part Number: R8A77850ANBGV
• Description: IC SUPERH MPU ROMLESS 436-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77850ANBGV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 600MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 108
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1 V ~ 1.2 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 436-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

8. Caches
This LSI has an IC way prediction scheme to reduce power consumption. In addition, memory-
mapped associative writing, which is detectable as an exception, can be enabled by using the non-
support detection exception register (EXPMASK). For details, see section 5, Exception Handling.
Rev.1.00 Jan. 10, 2008 Page 212 of 1658
REJ09B0261-0100
Virtual address
22
19
31
MMU
Figure 8.1 Configuration of Operand Cache (Cache size = 32 Kbytes)
Entry selection
8
255
0
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 way3)
32 bits
Data array
LW3
5 4
32 bits
LW4
Longword (LW) selection
2
32 bits
LW5
Write data
0
32 bits
LW6
32 bits
LW7
LRU
6 bits