NUC120LD2BN Nuvoton Technology Corporation of America, NUC120LD2BN Datasheet - Page 294
![IC MCU 32BIT 64KB FLASH 48LQFP](/photos/28/73/287352/nuc120ld2bn_sml.jpg)
NUC120LD2BN
Manufacturer Part Number
NUC120LD2BN
Description
IC MCU 32BIT 64KB FLASH 48LQFP
Manufacturer
Nuvoton Technology Corporation of America
Series
NuMicro™r
Specifications of NUC120LD2BN
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
31
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
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
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NUC120LD2BN
Manufacturer:
NuvoTon
Quantity:
64
Company:
Part Number:
NUC120LD2BN
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
- NUC100LC1BN PDF datasheet
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5.7.4.7
5.7.4.8
The following procedure is recommended for starting a PWM drive.
Method 1:
Set 16-bit down counter (CNR) as 0, and monitor PDR (current value of 16-bit down-counter).
When PDR reaches to 0, disable PWM-Timer (CHxEN in PCR). (Recommended)
Method 2:
Set 16-bit down counter (CNR) as 0. When interrupt request happened, disable PWM-Timer
(CHxEN in PCR). (Recommended)
Method 3:
Disable PWM-Timer directly ((CHxEN in PCR). (Not recommended)
The reason why method 3 is not recommended is that disable CHxEN will immediately stop PWM
output signal and lead to change the duty of the PWM output, this may cause damage to the
control circuit of motor
1.
2.
3.
4.
5.
6.
7.
8.
PWM-Timer Start Procedure
PWM-Timer Stop Procedure
Setup clock selector (CSR)
Setup prescaler (PPR)
Setup inverter on/off, dead zone generator on/off, auto-reload/one-shot mode and Stop
PWM-timer (PCR)
Setup comparator register (CMR) for setting PWM duty.
Setup PWM down-counter register (CNR) for setting PWM period.
Setup interrupt enable register (PIER)
Setup corresponding GPIO pins as PWM function (enable POE and disable CAPENR)
for the corresponding PWM channel.
Enable PWM timer start running (Set CHxEN = 1 in PCR)
NuMicro™ NUC100 Series Technical Reference Manual
- 294 -
Publication Release Date: Dec. 22, 2010
Revision V1.06
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