R4F24568NVRFQV Renesas Electronics America, R4F24568NVRFQV Datasheet - Page 881
R4F24568NVRFQV
Manufacturer Part Number
R4F24568NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24568NVRFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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H8S/2456, H8S/2456R, H8S/2454 Group
14.3.3
RSTCSR controls the generation of the internal reset signal when TCNT overflows, and selects
the type of internal reset signal. RSTCSR is initialized to H'1F by a reset signal from the RES pin,
but not by the WDT internal reset signal caused by overflows.
Note:
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
Bit
7
6
5
4 to 0
*
Bit Name
WOVF
RSTE
⎯
⎯
Reset Control/Status Register (RSTCSR)
Only a write of 0 is permitted, to clear the flag.
Initial Value
0
0
0
All 1
R/W
R/(W) *
R/W
R/W
⎯
Description
Watchdog Timer Overflow Flag
This bit is set when TCNT overflows in watchdog
timer mode. This bit cannot be set in interval timer
mode, and only 0 can be written.
[Setting condition]
Set when TCNT overflows (changed from H'FF to
H'00) in watchdog timer mode
[Clearing condition]
Cleared by reading RSTCSR when WOVF = 1,
and then writing 0 to WOVF
Reset Enable
Specifies whether or not a reset signal is
generated in the chip if TCNT overflows during
watchdog timer operation.
0: Reset signal is not generated even if TCNT
1: Reset signal is generated if TCNT overflows
Reserved
Can be read and written, but does not affect
operation.
Reserved
These bits are always read as 1 and cannot be
modified.
overflows
(Though this LSI is not reset, TCNT and TCSR
in WDT are reset)
Section 14 Watchdog Timer (WDT)
Page 851 of 1392
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