R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 757

• 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: -

(Word Transfer in 8-Bit Bus Width, Longword Transfer in 8/16-Bit Bus Width, or 16/32-
Figure 14.18 Example 3 of DREQ Input Detection in Cycle Steal Mode Level Detection
Byte Transfer in 8/16/32/64-Bit Bus Width: DACK of DMA1 Transfer Is Connected)
Figure 14.19 Example of DREQ Input Detection in Burst Mode Edge Detection
CLKOUT
Bus cycle
Address
DREQ
(Overrun 0, High level)
DRAK (High-active)
DACK (High-active)
CLKOUT
Bus cycle
Address
DREQ
(Overrun 1, High level)
DRAK (High-active)
DACK (High-active)
CLKOUT
Bus cycle
DREQ
(Rising edge)
DRAK
(High-active)
DACK
(High-active)
1st acceptance
1st acceptance
Burst acceptance
: Non-sensitive period
: Non-sensitive period
CPU
CPU
CPU
2nd acceptance
DMAC
DMAC
DMAC
Acceptance started
Accepted after one cycle of CLKOUT
at the rising edge of DACK
14. Direct Memory Access Controller (DMAC)
Rev.1.00 Jan. 10, 2008 Page 725 of 1658
2nd acceptance
Acceptance started
Accepted after one cycle of CLKOUT
after the end of the first of the multiple bus cycles
DMAC
CPU
CPU
REJ09B0261-0100