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Description of the data path
OSCAR Technical Manual V2.4.0
97
0004h SERIAL_CONTROL_REG RE [0] Receive enable
RD: Current status
WR:
0: Disable
1: Enable
TE [1] Transmit enable
RD: Current status
WR:
0: disable
1: Enable
--- [2..7] Reserved
SERIAL_STATUS_REG TDRD [8] Transmit data buffer ready
Read only
0: not ready
1: ready
--- [9] Reserved
RDRD [10] Receive data buffer ready
Read only
0: not ready
1: ready
--- [11] Reserved
ORER [12] Receive data buffer overrun error
Read: current status
WR:
0: no error (to clear status)
1: Ignored
FER [13] Receive data framing error
Read: current status
WR:
0: no error (to clear status)
1: Ignored
PER [14] Receive data parity error
Read: current status
WR:
0: no error (to clear status)
1: Ignored
--- [15..31] Reserved
Offset Name Field Bit Description
Table 29: Serial input/output control and status register (SIO CSR)