NUC120RD1BN Nuvoton Technology Corporation of America, NUC120RD1BN Datasheet - Page 213

• 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: -

Output Clock Frequency Setting
Symbol
FOUT
FIN
NR
NF
NO
Default Frequency Setting
The default value : 0xC22E
FIN = 12 MHz
NR = (1+2) = 3
NF = (46+2) = 48
NO = 4
FOUT = 12/4 x 48 x 1/3 = 48MHz
NuMicro™ NUC100 Series Technical Reference Manual
Constrain:
1.
2.
3.
FOUT
100
120
3
800
2 .
Description
Output Clock Frequency
Input (Reference) Clock Frequency
Input Divider (IN_DV + 2)
Feedback Divider (FB_DV + 2)
OUT_DV = “00” : NO = 1
OUT_DV = “01” : NO = 2
OUT_DV = “10” : NO = 2
OUT_DV = “11” : NO = 4
MHz
MHz
MHz
KHz
=
FIN
<
<
<
<
FIN
FCO
FCO
2
×
FIN
*
NR
NF
<
NR
150
=
×
is
MHz
<
FIN
NO
preferred
8
1
MHz
×
NF
NR
- 213 -
<
200
MHz
Publication Release Date: Oct 22, 2010
Revision V1.06