20©2017 Integrated Device Technology, Inc December 18, 2017
5X2503 Datasheet
SMBus Table Byte 15: Output Divider 1 Control
SMBus Table Byte 16: PLL2 Integer Feedback Divider
SMBus Table Byte 17: PLL2 Integer Feedback Divider
Byte 0Fh Name Control Function Type 0 1 PWD
Bit 7 OUTDIV1[3] Output divider1 control bit 3 R/W
DIV1[3:2]=1,2,4,8; DIV1[1:0]=1,4,5,6;
Default divider = 1x1=1
0
Bit 6 OUTDIV1[2] Output divider1 control bit 2 R/W 0
Bit 5 OUTDIV1[1] Output divider1 control bit 1 R/W 0
Bit 4 OUTDIV1[0] Output divider1 control bit 0 R/W 0
Bit 3 OUTDIV2[3] Output divider2 control bit 3 R/W
DIV2[3:2]=1,2,4,5; DIV2[1:0]=1,3,5,10;
Default divider = 1x10=10
0
Bit 2 OUTDIV2[2] Output divider2 control bit 2 R/W 0
Bit 1 OUTDIV2[1] Output divider2 control bit 1 R/W 1
Bit 0 OUTDIV2[0] Output divider2 control bit 0 R/W 1
Byte 10h Name Control Function Type 0 1 PWD
Bit 7
Reserved R/W — — 0
Bit 6 Reserved R/W — — 0
Bit 5
Reserved R/W — — 0
Bit 4 Reserved R/W — — 0
Bit 3 Reserved R/W — — 0
Bit 2 PLL2_FB_INT[10] PLL2 feedback integer divider 10 R/W — — 0
Bit 1 PLL2_FB_INT[9] PLL2 feedback integer divider 9 R/W — — 0
Bit 0 PLL2_FB_INT[8] PLL2 feedback integer divider 8 R/W — — 0
Byte 11h Name Control Function Type 0 1 PWD
Bit 7 PLL2_FB_INT_DIV[7] PLL2 feedback integer divider 7 R/W — — 0
Bit 6 PLL2_FB_INT_DIV[6] PLL2 feedback integer divider 6 R/W — — 0
Bit 5 PLL2_FB_INT_DIV[5] PLL2 feedback integer divider 5 R/W — — 1
Bit 4 PLL2_FB_INT_DIV[4] PLL2 feedback integer divider 4 R/W — — 1
Bit 3 PLL2_FB_INT_DIV[3] PLL2 feedback integer divider 3 R/W — — 1
Bit 2 PLL2_FB_INT_DIV[2] PLL2 feedback integer divider 2 R/W — — 1
Bit 1 PLL2_FB_INT_DIV[1] PLL2 feedback integer divider 1 R/W — — 0
Bit 0 PLL2_FB_INT_DIV[0] PLL2 feedback integer divider 0 R/W — — 0