R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 441
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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When software wait insertion is specified by CSnWCR, the external wait input signal, RDY, is
also sampled. The RDY signal sampling timing is shown in figure 11.10, where a single wait cycle
is specified as a software wait. The RDY signal is sampled at the transition from the Tw state to
the T2 state. Therefore, the assertion of the RDY signal has no effect in the T1 cycle or in the first
Tw cycle. The RDY signal is sampled on the rising edge of the clock.
(Wait Cycle Insertion by RDY Signal, RDY Signal Is Synchronous Input)
In this example, DACKn is active-high. (The circles indicate the sampling timing.)
CLKOUT
A25 to A0
CSn
R/W
RD
(In reading)
D31 to D0
(In reading)
WEn
(In writing)
D31 to D0
(In writing)
BS
RDY
DACKn
: Sampling Timing
Figure 11.10 SRAM Interface Wait Timing
T1
Tw
Twe
Rev.1.00 Jan. 10, 2008 Page 409 of 1658
11. Local Bus State Controller (LBSC)
T2
REJ09B0261-0100
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