NUC140LD2CN Nuvoton Technology Corporation of America, NUC140LD2CN Datasheet - Page 446

• Manufacturer Part Number: NUC140LD2CN
• Description: IC MCU 32BIT 64KB FLASH 48LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™ NUC100r

Specifications of NUC140LD2CN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 31
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• 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

PS/2 Status Register (PS2STATUS)
Register
PS2STATUS PS2_BA+0x18
Bits
[31:12]
[11:8]
[7]
[6]
TXEMPTY
31
23
15
7
NuMicro™ NUC130/NUC140 Technical Reference Manual
Offset
Descriptions
Reserved
BYTEIDX
TXEMPTY
RXOVF
RXOVF
30
22
14
6
Reserved
TXBUSY
R/W
R/W
Reserved
Byte Index
It indicates which data byte in transmit data shift register. When all data in FIFO is
transmitted and it will be cleared to 0.
It is a read only bit.
TX FIFO Empty
When S/W writes any data to PS2TXDATA0-3 the TXEMPTY bit is cleared to 0
immediately if PS2EN is enabled. When transmitted data byte number is equal to
FIFODEPTH then TXEMPTY bit is set to 1.
1 = FIFO is empty
0 = There is data to be transmitted
Read only bit.
RX Buffer Overwrite
29
21
13
BYTEIDX
0000
0001
0010
0011
0100
0101
0110
0111
5
Description
PS/2 Status Register
RXBUSY
28
20
12
4
DATA Transmit
TXDATA0[7:0]
TXDATA0[15:8]
TXDATA0[23:16]
TXDATA0[31:24]
TXDATA1[7:0]
TXDATA1[15:8]
TXDATA1[23:16]
TXDATA1[31:24]
- 446 -
Reserved
Reserved
RXPARITY
27
19
11
3
Publication Release Date: June 14, 2011
FRAMERR
BYTEIDX
1000
1001
1010
1011
1100
1101
1110
1111
26
18
10
2
BYTEIDX[3:0]
PS2DATA
DATA Transmit
TXDATA2[7:0]
TXDATA2[15:8]
TXDATA2[23:16]
TXDATA2[31:24]
TXDATA3[7:0]
TXDATA3[15:8]
TXDATA3[23:16]
TXDATA3[31:24]
25
17
9
1
Revision V2.01
Reset Value
0x0000_0000
PS2CLK
24
16
8
0