R5F363AENFA#U0 Renesas Electronics America, R5F363AENFA#U0 Datasheet - Page 272

• Manufacturer Part Number: R5F363AENFA#U0
• Description: MCU 4KB FLASH 256/16K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: M16C/60/63r

Specifications of R5F363AENFA#U0

• Core Processor: M16C/60
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, I²C, SIO, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 26x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

M16C/63 Group
REJ09B0510-0100 Rev.1.00 Sep 15, 2009
Page 234 of 836
15.2.3
15.2.4
After the watchdog timer interrupt occurs, refresh the watchdog timer by setting the WDTR register.
The WDTS register is enabled when the WDTON bit in the OFS1 address is 1 (watchdog timer is in a
stopped state after reset).
Watchdog Timer Refresh Register
Watchdog Timer Start Register
b7
b7
Watchdog Timer Refresh Register (WDTR)
Watchdog Timer Start Register (WDTS)
b0
b0
Setting 00h and then FFh refreshes the watchdog timer.
The watchdog timer starts counting after a write instruction to this register
Symbol
Symbol
WDTR
WDTS
Address
Address
037Dh
037Eh
Function
Function
After Reset
After Reset
Undefined
Undefined
15. Watchdog Timer
WO
WO
RW
RW