SNAS764 May 2018 LMX2572LP
PRODUCTION DATA.
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
INPIN_IGNORE | INPIN_HYST | INPIN_LVL | INPIN_FMT | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |||
R/W-1h | R/W-0h | R/W-0h | R/W-0h | R/W-1h |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
15 | INPIN_IGNORE | R/W | 1h | Ignore SYNC and SysRefReq pins when VCO_PHASE_SYNC = 0. This bit should be set to 1 unless VCO_PHASE_SYNC = 1. |
14 | INPIN_HYST | R/W | 0h | Enables high hysteresis for LVDS input to SysRefReq and SYNC pin.
0: Disabled 1: Enabled |
13 - 12 | INPIN_LVL | R/W | 0h | Sets bias level for LVDS input to SysRefReq and SYNC pin.
0: Vin / 4 1: Vin 2: Vin / 2 3: Invalid |
11 - 9 | INPIN_FMT | R/W | 0h | Defines the input format of SysRefReq and SYNC pin.
0: SYNC = SysRefReq = CMOS 1: SYNC = LVDS; SysRefReq = CMOS 2: SYNC = CMOS; SysRefReq = LVDS 3: SYNC = SysRefReq = LVDS 4: SYNC = SysRefReq = CMOS 5: SYNC = LVDS (filtered); SysRefReq = CMOS 6: SYNC = CMOS; SysRefReq = LVDS (filtered) 7: SYNC = SysRefReq = LVDS (filtered) |
8 - 0 | R/W | 1h | Program 1h to this field. |