NUC120VE3AN Nuvoton Technology Corporation of America, NUC120VE3AN Datasheet - Page 214

• Manufacturer Part Number: NUC120VE3AN
• Description: IC MCU 32BIT 128KB FLASH 100LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r

Specifications of NUC120VE3AN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, IrDA, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, LVD, POR, PS2, PWM, WDT
• Number Of I /o: 76
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K 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: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Frequency Divider Control Register (FRQDIV)
Register
FRQDIV
Bits
[31:5]
[4]
[3:0]
31
23
15
7
NuMicro™ NUC100 Series Technical Reference Manual
Offset
CLK_BA+ 24
Descriptions
Reserved
DIVIDER_EN
FSEL
Reserved
30
22
14
6
R/W
R/W
Reserved
Frequency Divider Enable Bit
0 = Disable Frequency Divider
1 = Enable Frequency Divider
Divider Output Frequency Selection Bits
The formula of output frequency is
F
F
F
N is the 4-bit value of FSEL[3:0].
out
in
out
29
21
13
5
is the input clock frequency.
is the frequency of divider output clock.
= F
Description
in
Frequency Divider Control Register
/2
(N+1)
DIVIDER_EN
28
20
12
4
- 214 -
Reserved
Reserved
Reserved
27
19
11
3
Publication Release Date: Dec. 22, 2010
26
18
10
2
FSEL
25
17
9
1
Revision V1.06
Reset Value
0x0000_0000
24
16
8
0