msm9405 Oki Semiconductor, msm9405 Datasheet - Page 18

• Manufacturer Part Number: msm9405
• Description: Irda Communication Controller
• Manufacturer: Oki Semiconductor

¡ Semiconductor
• EIR: Event Identification Register (Read Only) (Address = 2h)
Each of eight bits corresponds to each interrupt bit assignment set on the ENR. The EIR works
as the status register even if the interrupt is disabled. When an event occurs, each corresponding
bit is set to "1". When the system is reset, all bits are reset to "0".
The EIR (Event Identification Register) indicates factors of various interrupts on the MSM9405.
EIR
7
EIR
6
EIR
5
EIR
4
EIR
3
EIR
2
EIR
1
EIR
0
FE_EV (Framing Error = "1")
AS_EV (Abort Sequence = "1")
ECE_EV (Encode Error = "1")
OE_EV (Overrun Error = "1")
CE_EV (CRC Error = "1")
MLE_EV (Maximum Length = "1")
EOF_EV (EOF = "1")
RXH/T_EV (RX High-Data-Level/Timeout = "1")
TXL_EV (TX Low-Data-Level = "1")
TXE_EV (TX Empty = "1")
MSM9405
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