R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 676

• 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: -

13. PCI Controller (PCIC)
(6)
This LSI supports both the big and little endian formats. Since the PCI local bus is inherently little
endian, the PCIC supports both byte swapping and non-byte swapping.
The endian format is specified by the TBS bit in PCICR.
Rev.1.00 Jan. 10, 2008 Page 644 of 1658
REJ09B0261-0100
Endian
Figure 13.13 Endian Conversion from PCI Bus to SuperHyway Bus
Note: PCIAddr[2]: PCI bus AD[2]
1. Little endian
PCI bus data
SHwy data
2. Big endian
PCI bus data
SHwy data
Buffer data
(Non-Byte Swapping: TBS = 0)
Buffer data
PCI_Addr[2] = 1
PCI_Addr[2] = 0
MSB
MSB
31
31
A B C
A' B' C' D' A B C D
A' B' C' D' A B C
A B C
A B C D A' B' C' D'
A B C D A' B' C' D'
D
D
0
0
PCI_Addr[2] = 0
PCI_Addr[2] = 1
D
LSB
LSB