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CS61884
DS485F3
35
14. REGISTER DESCRIPTIONS
14.1 Revision/IDcode Register (00h)
14.2 Analog Loopback Register (01h)
14.3 Remote Loopback Register (02h)
14.4 TAOS Enable Register (03h)
14.5 LOS Status Register (04h)
14.6 DFM Status Register (05h)
BIT
NAME
Description
[7:4]
REVI 7-4
Bits [7:4] are taken from the least-significant nibble of the Device IDCode, which are 0100.
[3:0]
REVI 3-0
Bits [3:0] are the revision bits from the JTAG IDCODE register, CS61884 Revision A = 0000.
These bits are subject to change with the revision of the device (Refer to Device ID Register BIT
NAME
Description
[7:0]
ALBK 7-0
Enables analog loopbacks. A “1” in bit n enables the loopback for channel n. Refer to Analog to 00h after power-up or reset.
BIT
NAME
Description
[7:0]
RLBK 7-0
Enables remote loopbacks. A “1” in bit n enables the loopback for channel n. Refer to
default to 00h after power-up or reset.
BIT
NAME
Description
[7:0]
TAOE 7-0
A “1” in bit n of this register turns on the TAOS generator in channel n. Register bits default
to 00h after power-up or reset.
BIT
NAME
Description
[7:0]
LOSS 7-0 Register bit n is read as “1” when LOS is detected on channel n. Register bits default to
00h after power-up or reset.
BIT
NAME
Description
[7:0]
DFMS 7-0 Driver Failure Monitor. The DFM will set bit n to “1” when it detects a short circuit in channel
n. Register bits default to 00h after power-up or reset.