R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 734
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 17 Watchdog Timer and Reset (WDT)
17.5.2
The power-on reset time (watchdog timer reset holding time) by the watchdog timer overflowed is
3774 clock cycles of the EXTAL pin input clock and thereafter equal to or more than 45 clock
cycles of the peripheral clock (Pck0).
The transition time from the watchdog timer overflowed to the power-on reset state (watchdog
timer reset setup time) is 1 clock cycle of the EXTAL input clock and thereafter equal to or more
than 5 clock cycles of the peripheral clock (Pck0).
The STATUS [1:0] pins output timing that indicates the reset state or a normal operation is
asynchronous with both the EXTAL pin input clock and the CLKOUT pin input clock because the
STATUS [1:0] pins output timing is synchronous with the peripheral clock (Pck0).
(1)
Rev. 2.00 May 22, 2009 Page 664 of 1982
REJ09B0256-0200
Power-On Reset by Watchdog timer Overflowed in Normal Operation
Figure 17.6 STATUS Output by Watchdog timer overflow Power-On Reset
Power-On Reset by Watchdog Timer Overflow
EXTAL
input
CLKOUT
output
WDT overflow
signal
STATUS[1:0]
output
LL (normal)
WDT reset
stabilization time
during Normal Operation
WDT reset
holding time
HH (reset)
LL (normal)
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