NUC100LC1BN Nuvoton Technology Corporation of America, NUC100LC1BN Datasheet - Page 205
![IC MCU 32BIT 32KB FLASH 48LQFP](/photos/28/73/287342/nuc100lc1bn_sml.jpg)
NUC100LC1BN
Manufacturer Part Number
NUC100LC1BN
Description
IC MCU 32BIT 32KB FLASH 48LQFP
Manufacturer
Nuvoton Technology Corporation of America
Series
NuMicro™r
Specifications of NUC100LC1BN
Core Processor
ARM Cortex-M0
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, I²S, LVD, POR, PS2, PWM, WDT
Number Of I /o
35
Program Memory Size
32KB (32K 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
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Clock Source Select Control Register 0 (CLKSEL0)
Register
CLKSEL0
Bits
[31:6]
[5:3]
[2:0]
31
23
15
7
Reserved
NuMicro™ NUC100 Series Technical Reference Manual
Offset
CLK_BA+0x10
Descriptions
Reserved
STCLK_S
HCLK_S
30
22
14
6
R/W
R/W
Reserved
Cortex_M0 SysTick clock source select (write-protection bits)
If SYST_CSR[2]=0, SysTick uses listed clock source below
These bits are protected bit. It means programming this bit needs to write “59h”, “16h”,
“88h” to address 0x5000_0100 to disable register protection. Reference the register
REGWRPROT at address GCR_BA+0x100.
000 = Clock source from external 4~24 MHz crystal clock
001 = Clock source from external 32.768 kHz crystal clock
010 = Clock source from external 4~24 MHz crystal clock/2
011 = Clock source from HCLK/2
1xx = Clock source from internal 22.1184 MHz oscillator clock/2
HCLK clock source select (write-protection bits)
1.
2.
3.
000 = Clock source from external 4~24 MHz crystal clock
001 = Clock source from external 32.768 kHz crystal clock
010 = Clock source from PLL clock
011 = Clock source from internal 10 kHz oscillator clock
1xx = Clock source from internal 22.1184 MHz oscillator clock
29
21
13
5
Before clock switching, the related clock sources (both pre-select and new-
select) must be turn on
The 3-bit default value is reloaded from the value of CFOSC (Config0[26:24]) in
user configuration register of Flash controller by any reset. Therefore the default
value is either 000b or 111b.
These bits are protected bit, It means programming this bit needs to write “59h”,
“16h”, “88h” to address 0x5000_0100 to disable register protection. Reference
the register REGWRPROT at address GCR_BA+0x100.
Description
Clock Source Select Control Register 0
STCLK_S
28
20
12
4
- 205 -
Reserved
Reserved
Reserved
27
19
11
3
Publication Release Date: Oct 22, 2010
26
18
10
2
HCLK_S
9
1
25
17
Revision V1.06
Reset Value
0x0000_003X
8
0
24
16
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