JAJSFI5 May 2018 LMX2572LP
PRODUCTION DATA.
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | RAMP_LIMIT_HIGH[32] |
R/W-0h | R/W-0h |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
15 - 1 | R/W | 0h | Program 0h to this field. | |
0 | RAMP_LIMIT_HIGH[32] | R/W | 0h | The 33rd bit of RAMP_LIMIT_HIGH.
RAMP_LIMIT_HIGH sets a maximum frequency that the ramp cannot exceed so that the VCO does not get set beyond a valid frequency range. Suppose fHIGH is this frequency and fVCO is the starting VCO frequency, then: fHIGH ≥ fVCO; RAMP_LIMIT_HIGH = 224 × (fHIGH – fVCO) / fPD |