Holtek HT32F12345 User Manual page 557

32-Bit Arm ® Cortex ® -M3 MCU
HT32F12345
Bits Field
[10] RXFOV
[9] RXFUD
[8] RXFTL
[4] TXFFUL
[3] TXFEMT
[2] TXFOV
[1] TXFUD
[0] TXFTL
Rev. 1.10
Descriptions
RX FIFO Overflow Flag
0: RX FIFO not overflow
1: RX FIFO overflow
This bit is set by hardware and cleared by writing 1.
RX FIFO Underflow Flag
0: RX FIFO not underflow
1: RX FIFO underflow
This bit is set by hardware and cleared by writing 1.
RX FIFO Trigger Level Flag
0: Data in the RX FIFO is less than the trigger level
1: Data in the RX FIFO is equal to or higher than the trigger level
This bit is set by hardware and cleared by writing 1.
TX FIFO Full Flag
0: TX FIFO not full
1: TX FIFO full
TX FIFO Empty Flag
0: TX FIFO not empty
1: TX FIFO empty
TX FIFO Overflow Flag
0: TX FIFO not overflow
1: TX FIFO overflow
This bit is set by hardware and cleared by writing 1.
TX FIFO Underflow Flag
0: TX FIFO not underflow
1: TX FIFO underflow
This bit is set by hardware and cleared by writing 1.
TX FIFO Trigger Level Flag
0: Data in the TX FIFO is higher than the trigger level
1: Data in the TX FIFO is equal to or less than the trigger level
This bit is set by hardware and cleared by writing 1.
557 of 590 November 28, 2018