LS110GXS-1CF269C Lattice Semiconductor Corp., LS110GXS-1CF269C Datasheet - Page 14

• Manufacturer Part Number: LS110GXS-1CF269C
• Description: Fully Integrated 10gbps Serializer/deserializer Device
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
Configuration Pin Descriptions (Continued)
RX_LOS
RX_LOS_POL
RX_D_RP_ENb
RX_LOCK2REFb
SC_LOCK_DIFF[1:0]
SC_LV_ISET[1:0]
RX_LV_EN
PWDN_RXb
RESET_RXb
General Controls
CK622OUT_SEL
SC_LSB1STb
REF_CK_SEL
BIST_ENb
BIST_LB_SC[1:0]
1. Only available when CK622OUT_SEL = 0 (CMU CLK Mode).
2. T = period
3. Locks to REF_CK when RX_REF_CK_Enb = 1. Locks to RX_REF_CK when RX_REF_CK_Enb = 0.
4. Applies to RX_REF_CK also.
Pin Name
4
3
3
State
11
10
01
00
11
10
01
00
11
10
01
00
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Asserted by the receiver to indi-
cate it has lost the data signal.
Receiver OK
RX_LOS is an active-low input
RX_LOS is an active-high input.
RX_D_RP_P/N signals are inactive
RX_D_RP_P/N signals are active
RX_PLL locks to the recovered receive data clock.
RX_PLL locks to the REF_CK or RX_REF_CK input
See LOCK
this data sheet.
See V
sheet.
RX_D_LV_P/N[15:0] are enabled
RX_D_LV_P/N[15:0] are disabled
Receiver is operating
Receiver is powered down
Receiver normal operation
Resets the receiver logic.
CK622 sourced by CDR
CK622 sourced by CMU
TX_D_LV_P/N[15] transmitted over TX_D_P/N first
RX_D_LV_P/N[15] first bit received from RX_D_P/N (e.g. SONET appli-
cations)
TX_D_LV_P/N[0] transmitted over TX_D_P/N first
RX_D_LV_P/N[0] first bit received from RX_D_P/N (e.g. 10GE applica-
tions)
REF_CK is 1/16 of frequency (622.08MHz for OC-192)
REF_CK is 1/64 of frequency (155.52MHz for OC-192)
Normal operation, built-in self tests are disabled.
Built-in self test enabled. Enable this for LVDS loopback mode only.
Invalid
LVDS loopback mode enable
Invalid
Invalid
OS
RX_LOS_POL = 0
in the Low Speed Input/Output Specifications section of this data
14
TOL
in the High Speed Input/Output Specifications section of
Action
Receiver OK
Asserted by the receiver to indicate it
has lost the data signal.
XPIO 110GXS Data Sheet
RX_LOS_POL = 1