R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 671

• Manufacturer Part Number: R5S77631Y266BGV
• Description: IC SUPERH MPU ROMLESS 499BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R5S77631Y266BGV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 266MHz
• Connectivity: Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 107
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 499-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 14 Direct Memory Access Controller (DMAC)
Auto request, external request, and on-chip peripheral module request are available for the transfer
request. DACK can be output in read cycle or write cycle in dual address mode. CHCR can
specify whether the DACK is output in read cycle or write cycle.
Figure 14.5 shows an example of DMA transfer timing in dual address mode.
CLKOUT
Transfer source
Transfer destination
A25 to A0
address
address
CSn
D31 to D0
RD
WE
DACK
(Active-low)
Data read cycle
Data write cycle
(1st cycle)
(2nd cycle)
Note: In transfer between external memories, with DACK output in the read cycle,
DACK output timing is the same as that of CSn.
Figure 14.5 Example of DMA Transfer Timing in Dual Address Mode
(Source: Ordinary Memory, Destination: Ordinary Memory)
Rev. 2.00 May 22, 2009 Page 601 of 1982
REJ09B0256-0200