R4F24568NVRFQV Renesas Electronics America, R4F24568NVRFQV Datasheet - Page 1229

• 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: -

H8S/2456, H8S/2456R, H8S/2454 Group
This LSI has an on-chip clock pulse generator (CPG) that generates the system clock (
internal clocks. The clock pulse generator consists of an oscillator circuit, a system-clock PLL
circuit and a divider.
Figure 23.1 shows a block diagram of the clock pulse generator.
The frequency of the system clock from the oscillator can be changed by means of the system-
clock PLL circuit and divider. Frequency changes are made by software by means of settings in
the PLL control register (PLLCR).
The USB module requires a 48-MHz clock. Set the frequency of the USB dedicated clock (cku toe
48 MHz. Changes to the frequency of the USB dedicated clock are made by software by means of
settings in the USB PLL control register (USPLLCR).
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
EXTAL
XTAL
[Legend]
PLLCR: PLL control register
USPLLCR: PLL control register for USB
Oscillator
Figure 23.1 Block Diagram of Clock Pulse Generator
Section 23 Clock Pulse Generator
System-clock
PLL circuit
PLL circuit
USPLLCR
(×3, 4, 6)
for USB
(×1, 2)
USSTC0, USSTC1
PLLCR
Divider
STC0, STC1
System clock
to φ pin
Section 23 Clock Pulse Generator
USB dedicated clock to USB
Page 1199 of 1392
φ
Internal clock
to peripheral
modules
) and