NUC140LD2CN Nuvoton Technology Corporation of America, NUC140LD2CN Datasheet - Page 143

• Manufacturer Part Number: NUC140LD2CN
• Description: IC MCU 32BIT 64KB FLASH 48LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™ NUC100r

Specifications of NUC140LD2CN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 31
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 8K 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: 48-LQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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NuMicro™ NUC130/NUC140 Technical Reference Manual
TMR3_S
Reserved
TMR2_S
Reserved
TMR1_S
Reserved
TMR0_S
Reserved
ADC_S
WDT_S
TIMER3 clock source select
000 = Clock source from external 4~24 MHz high speed crystal clock
001 = Clock source from external 32.768 kHz low speed crystal clock
010 = Clock source from HCLK
111 = Clock source from internal 22.1184 MHz high speed oscillator clock
Reserved
TIMER2 clock source select
000 = Clock source from external 4~24 MHz high speed crystal clock
001 = Clock source from external 32.768 kHz low speed crystal clock
010 = Clock source from HCLK
111 = Clock source from internal 22.1184 MHz high speed oscillator clock
Reserved
TIMER1 clock source select
000 = Clock source from external 4~24 MHz high speed crystal clock
001 = Clock source from external 32.768 kHz low speed crystal clock
010 = Clock source from HCLK
111 = Clock source from internal 22.1184 MHz high speed oscillator clock
Reserved
TIMER0 clock source select
000 = Clock source from external 4~24 MHz high speed crystal clock
001 = Clock source from external 32.768 kHz low speed crystal clock
010 = Clock source from HCLK
111 = Clock source from internal 22.1184 MHz high speed oscillator clock
Reserved
ADC clock source select
00 = Clock source from external 4~24 MHz high speed crystal clock
01 = Clock source from PLL clock
10 = Clock source from HCLK
11 = Clock source from internal 22.1184 MHz high speed oscillator clock
Watchdog Timer clock source select (write-protection bits)
These bits are protected bit, program this need to write “59h”, “16h”, “88h” to address
0x5000_0100 to disable register protection. Reference the register REGWRPROT at
address GCR_BA+0x100.
01 = Clock source from external 32.768 kHz low speed crystal clock
10 = Clock source from HCLK/2048 clock
11 = Clock source from internal 10 kHz low speed oscillator clock
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Publication Release Date: June 14, 2011
Revision V2.01