R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 12

• 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: -

5.2
5.3
5.4
5.5
5.6
5.7
Section 6 Floating-Point Unit (FPU)................................................................. 129
6.1
6.2
6.3
6.4
6.5
6.6
Rev.1.00 Dec. 13, 2005 Page x of l
Register Descriptions........................................................................................................... 97
5.2.1
5.2.2
5.2.3
Exception Handling Functions........................................................................................... 101
5.3.1
5.3.2
Exception Types and Priorities .......................................................................................... 102
Exception Flow .................................................................................................................. 104
5.5.1
5.5.2
5.5.3
5.5.4
Description of Exceptions.................................................................................................. 108
5.6.1
5.6.2
5.6.3
5.6.4
Usage Notes ....................................................................................................................... 127
Features.............................................................................................................................. 129
Data Formats...................................................................................................................... 130
6.2.1
6.2.2
6.2.3
Register Descriptions......................................................................................................... 135
6.3.1
6.3.2
6.3.3
Rounding............................................................................................................................ 141
Floating-Point Exceptions.................................................................................................. 142
6.5.1
6.5.2
6.5.3
Graphics Support Functions............................................................................................... 144
6.6.1
6.6.2
TRAPA Exception Register (TRA) ........................................................................ 98
Exception Event Register (EXPEVT)..................................................................... 99
Interrupt Event Register (INTEVT)...................................................................... 100
Exception Handling Flow ..................................................................................... 101
Exception Handling Vector Addresses ................................................................. 101
Exception Flow..................................................................................................... 104
Exception Source Acceptance............................................................................... 106
Exception Requests and BL Bit ............................................................................ 107
Return from Exception Handling.......................................................................... 107
Resets.................................................................................................................... 108
General Exceptions............................................................................................... 110
Interrupts............................................................................................................... 124
Priority Order with Multiple Exceptions .............................................................. 125
Floating-Point Format........................................................................................... 130
Non-Numbers (NaN) ............................................................................................ 133
Denormalized Numbers ........................................................................................ 134
Floating-Point Registers ....................................................................................... 135
Floating-Point Status/Control Register (FPSCR) ................................................. 137
Floating-Point Communication Register (FPUL) ................................................. 140
General FPU Disable Exceptions and Slot FPU Disable Exceptions ................... 142
FPU Exception Sources ........................................................................................ 142
FPU Exception Handling ...................................................................................... 142
Geometric Operation Instructions......................................................................... 144
Pair Single-Precision Data Transfer...................................................................... 145