MSM9405MB 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM9405MB

IrDA Communication Controller

Oki Electric Industry 

¡ Semiconductor

MSM9405

• EIR: Event Identification Register (Read Only) (Address = 2h)

The EIR (Event Identification Register) indicates factors of various interrupts on the MSM9405.

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".

EIR EIR EIR EIR EIR EIR EIR EIR

7

6

5

4

3

2

1

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")

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