R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 659

• 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: -

CLKOUT
CLKOUT
Bus cycle
Bus cycle
DREQ
(Overrun 0,
Low-level)
DRAK
(Low-active)
DACK
(Low-active)
DREQ
(Overrun 1,
Low-level)
DRAK
(Low-active)
DACK
(Low-active)
Figure 14.16 Example of DREQ Input Detection in Burst Mode Level Detection
Figure 14.15 Example of DREQ Input Detection in Burst Mode Edge Detection
CLKOUT
Bus cycle
DREQ
(Falling edge)
DRAK
(Low-active)
DACK
(Low-active)
1st acceptance
1st acceptance
: Non-sensitive period
Burst acceptance
: Non-sensitive period
CPU
CPU
CPU
DMAC
Section 14 Direct Memory Access Controller (DMAC)
DMAC
2nd acceptance
DMAC
Acceptance
started
Rev.1.00 Dec. 13, 2005 Page 607 of 1286
2nd acceptance
Acceptance started
DMAC
DMAC
3rd acceptance
REJ09B0158-0100
Acceptance
started