R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 682
R5S77631Y266BGV
Manufacturer Part Number
R5S77631Y266BGV
Description
IC SUPERH MPU ROMLESS 499BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R5S77631Y266BGV.pdf
(2056 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 14 Direct Memory Access Controller (DMAC)
14.4.7
Figures 14.13 to 14.16 show the sample timing of the DREQ input in each bus mode, respectively.
Rev. 2.00 May 22, 2009 Page 612 of 1982
REJ09B0256-0200
Figure 14.14 Example of DREQ Input Detection in Cycle Steal Mode Level Detection
Figure 14.13 Example of DREQ Input Detection in Cycle Steal Mode Edge Detection
DREQ Pin Sampling Timing
DACK
(Low-active)
CLKOUT
Bus cycle
DREQ
(Overrun 0,
Low-level)
DRAK
(Low-active)
DACK
(Low-active)
CLKOUT
Bus cycle
DREQ
(Overrun 1,
Low-level)
DRAK
(Low-active)
DREQ
(Rising edge)
DRAK
(Low-active)
DACK
(Low-active)
Bus cycle
CKOUT
1st acceptance
1st acceptance
1st acceptance
: Non-sensitive period
: Non-sensitive period
CPU
CPU
CPU
DMAC
DMAC
DMAC
2nd acceptance
2nd acceptance
Acceptance started
Acceptance
started
2nd acceptance
CPU
CPU
CPU
Acceptance started
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