R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 1167
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
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
-
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Part Number:
R4F24268NVRFQV
Manufacturer:
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H8S/2426, H8S/2426R, H8S/2424 Group
22.2
Clock pulses can be supplied by connecting a crystal resonator, or by input of an external clock.
22.2.1
A crystal resonator can be connected as shown in the example in figure 22.2. Select the damping
resistance R
crystal resonator is used, the range of its frequencies is from 8 to 20 MHz.
Figure 22.3 shows the equivalent circuit of the crystal resonator. Use a crystal resonator that has
the characteristics shown in table 22.2.
Table 22.1 Damping Resistance Value
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Frequency (MHz)
R
d
(Ω)
Oscillator
Connecting a Crystal Resonator
d
according to table 22.1. An AT-cut parallel-resonance type should be used. When a
Figure 22.2 Connection of Crystal Resonator (Example)
XTAL
EXTAL
XTAL
Figure 22.3 Crystal Resonator Equivalent Circuit
8
200
R
d
L
C
C
C
C
L
0
L1
L2
12
0
AT-cut parallel-resonance type
R
s
C
L1
= C
16
0
EXTAL
L2
= 10 to 22 pF
Section 22 Clock Pulse Generator
20
0
Page 1137 of 1372
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