R8A77850ADBGV Renesas Electronics America, R8A77850ADBGV Datasheet - Page 791
R8A77850ADBGV
Manufacturer Part Number
R8A77850ADBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ADBGV
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
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Price
Company:
Part Number:
R8A77850ADBGV
Manufacturer:
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Quantity:
10 000
Company:
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The watchdog timer and reset module (WDT) comprises a reset control unit and a watchdog timer
control unit, and controls the power-on reset sequence and internal reset of the LSI.
The WDT is a single-channel timer that can be used either as a watchdog timer or interval timer.
16.1
• The watchdog timer unit monitors for system runaway using a timer counting at regular time
• Two operating modes:
• Selectable between power-on reset and manual reset. When manual reset is selected, a manual
• In order to prevent accidental writing to the WDT-related registers, writing to them is only
intervals.
⎯ In watchdog timer mode, internal reset of the chip is initiated on counter overflow and on-
⎯ In interval timer mode, an interrupt is generated on counter overflow.
reset signal is output from the MRESETOUT pin.
possible when a certain code is set in the uppermost eight bits in the data for writing.
chip modules are reset.
Features
Section 16 Watchdog Timer and Reset (WDT)
Rev.1.00 Jan. 10, 2008 Page 759 of 1658
16. Watchdog Timer and Reset (WDT)
REJ09B0261-0100
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