Visible to Intel only — GUID: ndq1656437231539
Ixiasoft
Visible to Intel only — GUID: ndq1656437231539
Ixiasoft
A.5. Transmitter PLL Switching Register Map
Name | Address | Type | Attribute Name | Encoding |
---|---|---|---|---|
Clock Source Selection | 0x111 [4:0] | read-write |
x1_clock_source_sel |
6'b000000: Select LCPLL bottom 6'b000001: Select LCPLL top 6'b000010: Select fPLL bottom 6'b000011: Select fPLL top 6'b000100: Select CH1 TxPLL bottom 6'b000101: Select CH1 TxPLL top 6'b000110: Select same CH TxPLL 6'b000111: Select LCPLL high speed 6'b100000: Select LCPLL bottom 6'b100001: Select LCPLL top 6'b100010: Select fPLL bottom 6'b100011: Select fPLL top 6'b101000: FPLL_BOT_G2_LCPLL_BOT_G3 6'b101001: FPLL_BOT_G2_LCPLL_TOP_G3 6'b101010: FPLL_TOP_G2_LCPLL_BOT_G3 6'b101011: FPLL_TOP_G2_LCPLL_TOP_G3 6'b011000: Select from x6/xN TX clk mux |
0x111 [7:5] | read-write |
xn_clock_source_sel |
3'b000: Select XN up 3'b001: Select XN down 3'b010: Select X6 top 3'b011: Select X6 bottom
3'b100: Select local CGB
Note: Bits [6:5] are always set to 0 whenever bit [7] is set to 1.
|
|
Logical PLL Switch Look-Up | 0x117 [3:0] | read-only | scratch0_x1_clock_src | These bits represent the logical PLL to physical mapping of PLLs 4'b0000: LCPLL Bot 4'b0001: LCPLL Top 4'b0010: fPLL Bot 4'b0011: fPLL Top 4'b0100: CH1 TxPLL Bot 4'b0101: CH1 TxPLL Top 4'b0110: Same CH TxPLL 4'b0111: LCPLL High Speed 4'b1000: HFCLK_XN_UP 4'b1001: HFCLK_XN_DN 4'b1010: HFCLK_X6_UP 4'b1011: HFCLK_X6_DN 4'b1111: Not Used
Note: The same mapping applies to all four registers.
|
0x117 [7:4] | read-only | scratch1_x1_clock_src | ||
0x118 [3:0] | read-only | scratch2_x1_clock_src | ||
0x118 [7:4] | read-only | scratch3_x1_clock_src |