
21 IRDA
194
EPSON
S1C38000 TECHNICAL MANUAL
bit 15
reserved
This bit is reserved and always reads 1.
bit 14
Receive Overrun Error
When this bit is read 1 an IrDA interrupt was asserted because of a Receive Overrun
Error. When this bit is read 0 an IrDA interrupt was not asserted because of a Receive
Overrun Error.
bit 13
Receive Framing Error
When this bit is read 1 an IrDA interrupt was asserted because of a Receive Framing
Error. When this bit is read 0 an IrDA interrupt was not asserted because of a Receive
Framing Error.
bit 12
Receive End of Frame
When this bit is read 1 an IrDA interrupt was asserted because of Receive End of Frame.
When this bit is read 0 an IrDA interrupt was not asserted because of Receive End of
Frame.
bit 11
Timer Time Out
When this bit is read 1 an IrDA interrupt was asserted because of a Timer Time Out, i.e.,
timer count reached 0. When this bit is read 0 an IrDA interrupt was not asserted
because of a Timer Time Out.
bit 10
Transmit Underrun Error
When this bit reads 1 an IrDA interrupt was asserted because of a Transmit Underrun
Error. When this bit reads 0 an IrDA interrupt was not asserted because of a Transmit
Underrun Error.
bit9
reserved
This bit is reserved and always reads 1.
bit 8
Transmit End of Frame
When this bit is read 1 an IrDA interrupt was asserted because of Transmit End of
Frame. When this bit is read 0 an IrDA interrupt was not asserted because of Transmit
End of Frame.
bit 7
reserved
This bit is reserved and always reads 1.
bit 6
Receive Overrun Error Mask
When this bit reads 1 the interrupt for the Receive Overrun Error is disabled (masked).
An IrDA interrupt will not be asserted when this error occurs. When this bit reads 0 the
interrupt for the Receive Overrun Error is enabled. An IrDA interrupt will be asserted
when this error occurs.
bit 5
Receive Framing Error Mask
When this bit is read 1 the interrupt for the Receive Framing Error is disabled (masked).
An IrDA interrupt will not be asserted when this error occurs. When this bit is read 0 the
interrupt for the Receive Framing Error is enabled. An IrDA interrupt will be asserted
when this error occurs.
IrDA Interrupt Register
IRDA[04h]
Default = 0000 8282h
Read Only
n/a
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Receive
Overrun
Error
Receive
Framing
Error
Receive
End of
Frame
Timer
Time Out
Transmit
Underrun
Error
reserved
Transmit
End of
Frame
reserved
Receive
Overrun
Error
Mask
Receive
Framing
Error
Mask
Receive
End of
Frame
Mask
Timer
Time Out
Mask
Transmit
Underrun
Error
Mask
reserved
Transmit
End of
Frame
Mask
15
14
13
12
11
10
9
876543210