R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 918

• 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

Section 15 Watchdog Timer (WDT)
15.2
Table 15.1 shows the WDT pin configuration.
Table 15.1 Pin Configuration
Page 888 of 1448
Name
Watchdog timer overflow
Input/Output Pin
Internal reset signal*
(interrupt request
WDTOVF
signal)
WOVI
[Legend]
TCSR:
TCNT:
RSTCSR:
Note: * An internal reset signal can be generated by the register setting.
Figure 15.1 Block Diagram of WDT
WDTOVF
Symbol
RSTCSR
Interrupt
control
control
Reset
Timer control/status register
Timer counter
Reset control/status register
Overflow
I/O
Output
Module bus
TCNT
Function
Outputs counter overflow signal in watchdog
timer mode
Clock
WDT
select
Clock
TCSR
H8S/2427, H8S/2427R, H8S/2425 Group
Internal clock
sources
interface
Bus
φ/2
φ/64
φ/128
φ/512
φ/2048
φ/8192
φ/32768
φ/131072
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010