R8A77850ADBGV#RD0Z Renesas Electronics America, R8A77850ADBGV#RD0Z Datasheet - Page 759

• Manufacturer Part Number: R8A77850ADBGV#RD0Z
• Description: IC SUPERH MPU ROMLESS 436-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77850ADBGV#RD0Z

• 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: -40°C ~ 85°C
• Package / Case: 436-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Figure 14.21 Example 2 of DREQ Input Detection in Burst Mode Level Detection (Word
Transfer in 8-Bit Bus Width, Longword Transfer in 8/16-Bit Bus Width, 16/32-Byte
CLKOUT
Bus cycle
DREQ
(Overrun 0, High level)
DRAK (High-active)
DACK (High-active)
CLKOUT
Bus cycle
DREQ
(Overrun 1, High level)
DRAK (High-active)
DACK (High-active)
Transfer in 8/16/32/64-Bit Bus Width: DACK of DMA1 Transfer Divided)
1st acceptance
1st acceptance
: Non-sensitive period
CPU
CPU
2nd acceptance
Acceptance started
Accepted after one cycle of CLKOUT
at the first rising edge of the divided-up DACK
DMAC
DMAC
14. Direct Memory Access Controller (DMAC)
Rev.1.00 Jan. 10, 2008 Page 727 of 1658
2nd acceptance
Acceptance started
Accepted after one cycle of CLKOUT
at the first falling edge of the divided-up DACK
REJ09B0261-0100