NUC120RD1BN Nuvoton Technology Corporation of America, NUC120RD1BN Datasheet - Page 56

• Manufacturer Part Number: NUC120RD1BN
• Description: IC MCU 32BIT 64KB FLASH 64LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r

Specifications of NUC120RD1BN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, IrDA, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, LVD, POR, PS2, PWM, WDT
• Number Of I /o: 45
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Data Converters: A/D 8x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

5.11.2 Features
INT
RST
18-bit free running counter to avoid CPU from Watchdog timer reset before the delay time
expires.
Selectable time-out interval (2^4 ~ 2^18) and the time out interval is 86.67 us ~ 21.93 ms (if
WDT_CLK = 12 MHz).
Reset period = (1 / 12 MHz) * 63, if WDT_CLK = 12 MHz.
T
WDT
T
T
T
T
T
WDT
TIS
INT
RST
WTR
: Watchdog Interrupt Period
: Watchdog Timeout Interval Period
: Watchdog Timeout Interval Selection Period
: Watchdog Reset Period
: Watchdog Engine Clock Time Period
Figure 5-10 Timing of Interrupt and Reset Signal
Maximum T
Minimum T
T
TIS
WTR
WTR
- 56 -
NuMicro™ NUC120 Data Sheet
1024 * T
Publication Release Date: Nov. 11, 2010
T
INT
WDT
63 * T
T
RST
WDT
Revision V2.00