
Description of the data path
GUPPY Technical Manual
V4.0.1
95
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
0: no error
WR: 0 to clear status
(1: Ignored)
FER
[13]
Receive data framing error
Read: current status
0: no error
WR: 0 to clear status
(1: Ignored)
PER
[14]
Receive data parity error
Read: current status
0: no error
WR: 0 to clear status
(1: Ignored)
-
[15..31] Reserved
Offset
Name
Field
Bit
Description
Table 31: SIO CSR