GR712RC-UM, Jun 2017, Version 2.9 101 www.cobham.com/gaisler
GR712RC
15.7.1 UART Data Register
Table 78. UART data register
15.7.2 UART Status Register
Table 79. UART status register
31 87 0
RESERVED DATA
7: 0 Receiver holding register or FIFO (read access)
7: 0 Transmitter holding register or FIFO (write access)
31 26 25 20 19 11 10 9 8 7 6 5 4 3 2 1 0
RCNT TCNT RESERVED RF TF RH TH FE PE OV BR TE TS DR
31: 26 Receiver FIFO count (RCNT) - shows the number of data frames in the receiver FIFO.
25: 20 Transmitter FIFO count (TCNT) - shows the number of data frames in the transmitter FIFO.
10 Receiver FIFO full (RF) - indicates that the Receiver FIFO is full.
9 Transmitter FIFO full (TF) - indicates that the Transmitter FIFO is full.
8 Receiver FIFO half-full (RH) -indicates that at least half of the FIFO is holding data.
7 Transmitter FIFO half-full (TH) - indicates that the FIFO is less than half-full.
6 Framing error (FE) - indicates that a framing error was detected.
5 Parity error (PE) - indicates that a parity error was detected.
4 Overrun (OV) - indicates that one or more character have been lost due to overrun.
3 Break received (BR) - indicates that a BREAK has been received.
2 Transmitter FIFO empty (TE) - indicates that the transmitter FIFO is empty.
1 Transmitter shift register empty (TS) - indicates that the transmitter shift register is empty.
0 Data ready (DR) - indicates that new data is available in the receiver holding register
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