R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 915

• Manufacturer Part Number: R4F24278NVFQU
• Description: MCU 512K/48K 2.7-5.5V 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of R4F24278NVFQU

• Core Processor: H8S/2600
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, Smart Card, SPI, SSU, UART/USART
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 98
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 64K 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

H8S/2427, H8S/2427R, H8S/2425 Group
Table 14.6 Switching of Internal Clock and TCNT Operation
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
No.
1
2
3
Timing of Switchover
by Means of Modifying
CKS1, CKS0, ICKS1,
and ICKS0 Bits
low to low *
low to high *
high to low *
Switching from
Switching from
Switching from
1
2
3
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT clock
TCNT
Clock before
switchover
Clock before
swichover
Clock after
switchover
TCNT clock
TCNT
Clock after
swichover
TCNT clock
TCNT
N
N
N
CKS bit write
N + 1
CKS bit write
N + 1
CKS bit write
N + 1
*
4
Section 14 8-Bit Timers (TMR)
N + 2
N + 2
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