NUC140VE3CN Nuvoton Technology Corporation of America, NUC140VE3CN Datasheet - Page 392

• Manufacturer Part Number: NUC140VE3CN
• Description: IC MCU 32BIT 128KB FLASH 100LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™ NUC100r

Specifications of NUC140VE3CN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 76
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• 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

Example for Bit Timing at High Baud rate
In this example , the frequency of APB_CLK is 10 MHz, BRP is 0, the bit rate is 1 MBit/s.
In this example ,the concatenated bit time parameters are (2-1) 3 &(7-1) 4 &(1-1) 2 &(1-1) 6 , the Bit
Timing Register is programmed to= 0x1600.
T
delay of bus driver
delay of receiver circuit
delay of bus line (40m)
t
t
t
t
tSync-Seg
bit time
tolerance for APB_CLK
Prop
SJW
TSeg1
TSeg2
q
NuMicro™ NUC130/NUC140 Technical Reference Manual
100
50
30
220
600
100
700
1000 ns
0.39
200
100
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
- 392 -
= t
= 6 • t
= 1 • t
= t
= Information Processing Time + 1 • t
= 1 • tq
= t
=
=
APB_CLK
Prop
Sync-Seg
2
2
×
×
q
q
13
(
+ t
13
Min
×
SJW
×
+ t
(
bit
(
0
1 (
Publication Release Date: June 14, 2011
TSeg1
PB
1 .
us
us
time
, 1
−
PB
+ t
0
2 .
−
TSeg2
) 2
us
PB
))
2
))
q
Revision V2.01