ZHCSG17B January 2017 – July 2019 LMK04610
PRODUCTION DATA.
The PLL2_CTRL Register supports other PLL2 features. Back to Register Map.
BIT NO. | FIELD | TYPE | RESET | DESCRIPTION |
---|---|---|---|---|
[7:6] | RSRVD | - | - | Reserved. |
[5:4] | RESET_PLL2_DLD | RW | 0 | Before using PLL2 DLD signal, set this field to 0x3, wait 20 ms, set to 0x0. Refer to PLL2 DLD flow chart in Figure 41.
0x0: Clear reset state 0x1: Reserved 0x2: Reserved 0x3: Reset set |
[3] | RSRVD | - | - | Reserved. |
[2] | PLL2_TSTMODE_REF_FB_EN | RW | 0 | Set this bit when STATUS0_MUX_SEL, STATUS1_MUX_SEL, or SYNC_MUX_SEL selects a PLL1 REF clock or FB (SYS) clock output.
0: PLL1 REF or PLL1 FB (SYS) clock not selected by any mux 1: PLL1 REF or PLL1 FB (SYS) clock selected by at least one mux |
[1:0] | PD_VCO_LDO | RW | 0 | Set for modes not using PLL2 VCO.
0x0: VCO LDO active 0x1: Reserved 0x2: Reserved 0x3: VCO LDO disabled |