Silicon Laboratories SI5351A, Product Manual

Page: 23 / 72

Si5351A/B/C
Preliminary Rev. 0.95 23
7. Register Map Summary
The following is a summary of the register map used to read status, control, and configure the Si5351.
Register 7 6 5 4 3 2 1 0
0 SYS_INIT LOL_B LOL_A LOS REVID[1:0]
1 SYSCAL_
STKY
LOS_B_
STKY
LOL_A_
STKY
LOS_
STKY
2 SYSCAL_
MASK
LOS_B_
MASK
LOL_A _
MASK
LOS_
MASK
3 CLK7_EN CLK6_EN CLK5_EN CLK4_EN CLK3_EN CLK2_EN CLK1_EN CLK0_EN
4–8 Reserved
9 OEB_CLK7 OEB_CLK6 OEB_CLK5 OEB_CLK4 OEB_CLK3 OEB_CLK2 OEB_CLK1 OEB_CLK0
10–14 Reserved
15 0 0 0 0 PLLB_SRC PLLA_SRC 0 0
16 CLK0_PDN MS0_INT MS0_SRC CLK0_INV CLK0_SRC[1:0] CLK0_IDRV[1:0]
17 CLK1_PDN MS1_INT MS1_SRC CLK1_INV CLK1_SRC[1:0] CLK1_IDRV[1:0]
18 CLK2_PDN MS2_INT MS2_SRC CLK2_INV CLK2_SRC[1:0] CLK2_IDRV[1:0]
19 CLK3_PDN MS3_INT MS3_SRC CLK3_INV CLK3_SRC[1:0] CLK3_IDRV[1:0]
20 CLK4_PDN MS4_INT MS4_SRC CLK4_INV CLK4_SRC[1:0] CLK4_IDRV[1:0]
21 CLK5_PDN MS5_INT MS5_SRC CLK5_INV CLK5_SRC[1:0] CLK5_IDRV[1:0]
22 CLK6_PDN FBA_INT MS6_SRC CLK6_INV CLK6_SRC[1:0] CLK6_IDRV[1:0]
23 CLK7_PDN FBB_INT MS6_SRC CLK7_INV CLK7_SRC[1:0] CLK7_IDRV[1:0]
24 CLK3_DIS_STATE CLK2_DIS_STATE CLK1_DIS_STATE CLK0_DIS_STATE
25 CLK7_DIS_STATE CLK6_DIS_STATE CLK5_DIS_STATE CLK4_DIS_STATE
26–41 PLL, MultiSynth, and output clock delay offset Configuration Registers.
Use ClockBuilder Desktop Software to Determine These Register Values.
42 MS0_P3[15:8]
43 MS0_P3[7:0]
44 R0_DIV[2:0] MS0_P1[17:16]
45 MS0_P1[15:8]
46 MS0_P1[7:0]
47 MS0_P3[19:16] MS0_P2[19:16]
48 MS0_P2[15:8]
49 MS0_P2[7:0]
50 MS1_P3[15:8]
51 MS1_P3[7:0]
52 R1_DIV[2:0] MS1_P1[17:16]
53 MS1_P1[15:8]
54 MS1_P1[7:0]
55 MS1_P3[19:16] MS1_P2[19:16]
56 MS1_P2[15:8]
57 MS1_P2[7:0]
58 MS2_P3[15:8]
59 MS2_P3[7:0]
60 R2_DIV[2:0] MS2_P1[17:16]
61 MS2_P1[15:8]
62 MS2_P1[7:0]
63 MS2_P3[19:16] MS2_P2[19:16]
64 MS2_P2[15:8]
65 MS2_P2[7:0]