HD6417144F50V Renesas Electronics America, HD6417144F50V Datasheet - Page 438
HD6417144F50V
Manufacturer Part Number
HD6417144F50V
Description
IC SUPERH MCU ROMLESS 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Datasheet
1.HD64F7144F50V.pdf
(932 pages)
Specifications of HD6417144F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
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:
HD6417144F50V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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12. Watchdog Timer
12.6.7
Manual Reset in Watchdog Timer Mode
When an internal reset is effected by TCNT overflow in watchdog timer mode, the processor waits
until the end of the bus cycle at the time of manual reset generation before making the transition to
manual reset exception processing. Therefore, the bus cycle is retained in a manual reset, but if a
manual reset occurs while the bus is released, manual reset exception processing will be deferred
until the CPU acquires the bus. However, if the interval from generation of the manual reset until
the end of the bus cycle is equal to or longer than the internal manual reset interval of 512 cycles,
the internal manual reset source is ignored instead of being deferred, and manual reset exception
processing is not executed.
Note on Using WDTOVF Signal
12.6.8
Do not pull down the WDTOVF pin. If necessary, pull it down with resistance larger than 1 MΩ.
Rev.4.00 Mar. 27, 2008 Page 392 of 882
REJ09B0108-0400
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