ZHCSK16A October 2017 – July 2019 LMK04228
PRODUCTION DATA.
This register controls the integrated loop filter resistors.
BIT | NAME | POR DEFAULT | DESCRIPTION | |
---|---|---|---|---|
7:6 | NA | 0 | Reserved | |
5:3 | PLL2_LF_R4 | 0 | Internal loop filter components are available for PLL2, enabling either 3rd or 4th order loop filters without requiring external components.
Internal loop filter resistor R4 can be set according to the following table. |
|
Field Value | Resistance | |||
0 (0x00) | 200 Ω | |||
1 (0x01) | 1 kΩ | |||
2 (0x02) | 2 kΩ | |||
3 (0x03) | 4 kΩ | |||
4 (0x04) | 16 kΩ | |||
5 (0x05) | Reserved | |||
6 (0x06) | Reserved | |||
7 (0x07) | Reserved | |||
2:0 | PLL2_LF_R3 | 0 | Internal loop filter components are available for PLL2, enabling either 3rd or 4th order loop filters without requiring external components.
Internal loop filter resistor R3 can be set according to the following table. |
|
Field Value | Resistance | |||
0 (0x00) | 200 Ω | |||
1 (0x01) | 1 kΩ | |||
2 (0x02) | 2 kΩ | |||
3 (0x03) | 4 kΩ | |||
4 (0x04) | 16 kΩ | |||
5 (0x05) | Reserved | |||
6 (0x06) | Reserved | |||
7 (0x07) | Reserved |