Bit 7 OTP_Burned OTP memory programming indication R/W OTP memory non-programmed OTP memory programmed 0
Bit 6 I2C_addr[1] I2C address select bit 1 R/W 0
Bit 5 I2C_addr[0] I2C address select bit 0 R/W 0
Bit 4 PLL1_SSEN PLL1 Spread Spectrum enable R/W disable enable 0
Bit 3 DIV1_src_sel Divider 1 source clock select R/W PLL1 Xtal 0
Bit 2 PLL3_refin_sel PLL3 source selection R/W Xtal Seed (DIV2) 0
Bit 1 EN_CLKIN enable CLKIN R/W disable enable 0
Bit 0 OTP_protect OTP memory protection R/W read/write write locked 0
Byte1: Dash Code ID (optional)
Byte 01h Name Control Function Type 0 1 PWD
Bit 7 DashCode ID[7] Dash code ID R/W - - 0
Bit 6 DashCode ID[6] Dash code ID R/W - - 0
Bit 5 DashCode ID[5] Dash code ID R/W - - 0
Bit 4 DashCode ID[4] Dash code ID R/W - - 0
Bit 3 DashCode ID[3] Dash code ID R/W - - 0
Bit 2 DashCode ID[2] Dash code ID R/W - - 0
Bit 1 DashCode ID[1] Dash code ID R/W - - 0
Bit 0 DashCode ID[0] Dash code ID R/W - - 0
Byte2: Crystal Cap setting
Byte 02h Name Control Function Type 0 1 PWD
Bit 7 Xtal_Cap[7] Xtal cap load trimming bits R/W 0
Bit 6 Xtal_Cap[6] Xtal cap load trimming bits R/W 0
Bit 5 Xtal_Cap[5] Xtal cap load trimming bits R/W 0
Bit 4 Xtal_Cap[4] Xtal cap load trimming bits R/W 1
Bit 3 Xtal_Cap[3] Xtal cap load trimming bits R/W 0
Bit 2 Xtal_Cap[2] Xtal cap load trimming bits R/W 0
Bit 1 Xtal_Cap[1] Xtal cap load trimming bits R/W 0
Bit 0 Xtal_Cap[0] Xtal cap load trimming bits R/W 1
Byte3: PLL3 M Divider
Byte 03h Name Control Function Type 0 1 PWD
Bit 7 PLL3_MDIV1 PLL3 source clock divider R/W disable M DIV1 bypadd divider (/1) 0
Bit 6 PLL3_MDIV2 PLL3 source clock divider R/W disable M DIV2 bypadd divider (/2) 0
Bit 5 PLL3 M_DIV[5] PLL3 reference integer divider R/W 3~64 default 25 0
Bit 4 PLL3 M_DIV[4] PLL3 reference integer divider R/W - - 1
Bit 3 PLL3 M_DIV[3] PLL3 reference integer divider R/W - - 1
Bit 2 PLL3 M_DIV[2] PLL3 reference integer divider R/W - - 0
Bit 1 PLL3 M_DIV[1] PLL3 reference integer divider R/W - - 0
Bit 0 PLL3 M_DIV[0] PLL3 reference integer divider R/W - - 1
Byte4: PLL3 N Divider
Byte 04h Name Control Function Type 0 1 PWD
Bit 7 PLL3 N_DIV[7] PLL3 VCO feedback integer divider bit7 R/W 1
Bit 6 PLL3 N_DIV[6] PLL3 VCO feedback integer divider bit6 R/W 1
Bit 5 PLL3 N_DIV[5] PLL3 VCO feedback integer divider bit5 R/W 1
Bit 4 PLL3 N_DIV[4] PLL3 VCO feedback integer divider bit4 R/W 0
Bit 3 PLL3 N_DIV[3] PLL3 VCO feedback integer divider bit3 R/W 0
Bit 2 PLL3 N_DIV[2] PLL3 VCO feedback integer divider bit2 R/W 0
Bit 1 PLL3 N_DIV[1] PLL3 VCO feedback integer divider bit1 R/W 0
Bit 0 PLL3 N_DIV[0] PLL3 VCO feedback integer divider bit0 R/W 0
00: D0 / 01: D2
10: D4 / 11: D6
x1 x2
x4 x8
total 15pf
12~2048, default VCO setting is 480MHz