R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 886
![MCU 256K FLASH 48K 144-LQFP](/photos/28/61/286117/144-lqfp__plqp0144ka-a_sml.jpg)
R4F24268NVFQV
Manufacturer Part Number
R4F24268NVFQV
Description
MCU 256K FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART
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 10x10b, 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R4F24268NVFQV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
R4F24268NVFQV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 14 Watchdog Timer (WDT)
Note:
Page 856 of 1372
Bit
6
5
4, 3
2
1
0
Bit Name
WT/IT
TME
⎯
CKS2
CKS1
CKS0
*
Only a write of 0 is permitted, to clear the flag.
0
0
All 1
0
0
0
Initial Value
R/W
R/W
R/W
⎯
R/W
R/W
R/W
Description
Timer Mode Select
Selects whether the WDT is used as a watchdog
timer or interval timer.
0: Interval timer mode
When TCNT overflows, an interval timer interrupt
(WOVI) is requested.
1: Watchdog timer mode
When TCNT overflows, the WDTOVF signal is
output.
Timer Enable
When this bit is set to 1, TCNT starts counting.
When this bit is cleared, TCNT stops counting and
is initialized to H'00.
Reserved
These bits are always read as 1 and cannot be
modified.
Clock Select 2 to 0
Selects the clock source to be input to TCNT. The
overflow frequency for φ = 20 MHz is enclosed in
parentheses.
000: Clock φ/2 (frequency: 25.6 μs)
001: Clock φ/64 (frequency: 819.2 μs)
010: Clock φ/128 (frequency: 1.6 ms)
011: Clock φ/512 (frequency: 6.6 ms)
100: Clock φ/2048 (frequency: 26.2 ms)
101: Clock φ/8192 (frequency: 104.9 ms)
110: Clock φ/32768 (frequency: 419.4 ms)
111: Clock φ/131072 (frequency: 1.68 s)
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
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