6 registers, 6 registers -23 – Cirrus Logic EP93xx User Manual
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17-23
Copyright 2007 Cirrus Logic
IrDA
EP93xx User’s Guide
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17
17.6 Registers
Register Descriptions
IrEnable
Address:
0x808B_0000 - Read/Write
Default:
0x0000_0018
Definition:
IrDA Enable Register. This register selects which Infrared interface module is
active. The Medium and Fast modules share common control, flag, and data
interfaces while maintaining separate status registers.
Bit Descriptions:
RSVD:
Reserved. Unknown During Read.
FD:
Fast done status. Read-only bit indicating that the FIR
transmit module has completed transition of the current
frame and that it is safe to disable the module using the
EN control bits.
MD:
Medium done status. Read-only bit indicating that the MIR
transmit module has completed transmission of the current
frame and that it is safe to disable the module using the
EN control bits.
LBM:
Loopback Mode, for MIR and FIR operation.
0 - Normal operation.
1 - Loopback active, the transmit serial shifter is directly
connected to the receive serial shifter.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RSVD
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RSVD
FD
MD
LBM
EN