m21120 Mindspeed Technologies, m21120 Datasheet - Page 25

• Manufacturer Part Number: m21120
• Description: M21120 Crosspoint Switch Data Sheet
• Manufacturer: Mindspeed Technologies

21120-DSH-001-B, 3/27/03
Table 17. Register Description
D[7:0]
ioen[2]
ioen[1]
ioen[0]
4
3
2
1
0
2
1
7..0
byp_eq
en_in
en_out
pwr_trig
pwr_tx
pwr_rx
en_tx
en_rx
inchannel
rst_tx
rst_rx
rxerr[7:0]
80-C3h: I/O Individual Channel Enable (See
34 x 34 3.2 Gbps Crosspoint Switch with Input Equalization
0: Input equalization is enabled (default)
1: Input equalization is bypassed
0: Input off (default)
1: Input on
0: Output off (default)
1: Output on
0: TX PRBS trigger power down (default)
1: TX PRBS trigger powered up
0: TX PRBS power down (default)
1: TX PRBS powered up
0: RX PRBS power down (default)
1: RX PRBS powered up
0: TX PRBS disabled (default)
1: TX PRBS enabled
0: RX PRBS disabled (default)
1: RX PRBS enabled
Select input channel to route to addressed output
In#0 = 01h, In#1 = 03h,…In#33 = 43h (See
Default D[7:0] = 00h
0: normal operation (default)
1: reset TX shift register
0: normal operation (default)
1: reset RX shift register
PRBS RX error count register (read only)
00-21h: Input Channel Selection
E2h: PRBS RX error count
Mindspeed Technologies™
E1h: PRBS Control
E0h: PRBS Power
Table
Table
13)
15.)
M21120
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