JAJSFM3E February 2015 – June 2018 LMH1218
PRODUCTION DATA.
| REGISTER NAME | BITS | FIELD REGISTER ADDRESS | DEFAULT | R/RW | DESCRIPTION |
|---|---|---|---|---|---|
| Out0_Mux_Select | Reg 0x1C Channel | 0x18 | OUT0 Mux Selection | ||
| 7 | pfd_sel0_data_mux[2] | 0 | RW | When 0x09[5] = 1'b OUT0 Mux Selection can be controlled as follows:
000: Mute 001: 10 MHz Clock 010: Raw Data 100: Retimed Data Other Settings - Invalid |
|
| 6 | pfd_sel0_data_mux[1] | 0 | RW | ||
| 5 | pfd_sel0_data_mux[0] | 0 | RW | ||
| 4 | VCO_Div40 | 1 | RW | When 0x09[5] = 1'b and 0x1E[[7:5] = 101'b OUT1 clock selection can be controlled as follows:
1: OUT1 puts out line rate clock for 3G and below and 297 MHz clock for 5.94 Gbps and 11.88Gbps 0: OUT1 puts out 10MHz clock |
|
| 3 | mr_drv_out_ctrl[1] | 1 | RW | Controls both OUT0 and OUT1:
00: OUT0: Mute OUT1: Mute 01: OUT0: Locked Reclocked Data / Unlocked Raw Data OUT1: Locked Output Clock / Unlocked Mute 10: OUT0: Locked Reclocked Data / Unlocked RAW OUT1: Locked Reclocked Data / Unlocked Raw 11: OUT0: Forced Raw OUT1: Forced Raw |
|
| 2 | mr_drv_out_ctrl[0] | 0 | RW | ||
| 1 | Reserved | 0 | RW | ||
| 0 | Reserved | 0 | RW | ||
| OUT1_Mux_Select | Reg 0x1E Channel | 0xE9 | OUT1 Mux Selection | ||
| 7 | pfd_sel_data_mux[2] | 1 | RW | When 0x09[5] = 1'b OUT0 Mux Selection can be controlled as follows:
111: Mute 101: 10MHz Clock if reg 0x1c[4]=0 and divided by 40 if reg 0x1c[4] = 1 010: Full Rate Clock 001: Retimed Data 000: Raw Data Other Settings - Invalid |
|
| 6 | pfd_sel_data_mux[1] | 1 | RW | ||
| 5 | pfd_sel_data_mux[0] | 1 | RW | ||
| 4 | Reserved | 0 | RW | ||
| 3 | Reserved | 1 | RW | ||
| 2 | Reserved | 0 | RW | ||
| 1 | Reserved | 0 | RW | ||
| 0 | Reserved | 1 | RW | ||
| OUT1 Invert | Reg 0x1F Channel | 0x10 | Invert OUT1 Polarity | ||
| 7 | pfd_sel_inv_out1 | 0 | RW | 1: Inverts OUT1 polarity
0: OUT1 Normal polarity |
|
| 6 | Reserved | 0 | RW | ||
| 5 | Reserved | 0 | RW | ||
| 4 | Reserved | 1 | RW | ||
| 3 | Reserved | 0 | RW | ||
| 2 | Reserved | 0 | RW | ||
| 1 | Reserved | 0 | RW | ||
| 0 | Reserved | 0 | RW | ||
| OUT0_VOD | Reg 0x80 Channel | 0x20 | OUT0 VOD_Scaling_PD | ||
| 7 | drv_0_sel_vod[3] | 0 | RW | drv_0_sel_vod[3:0] is typically 42 mV per step. Refer to the LMH1218 Programming Guide (SNLU174) for setting OUT0 VOD | |
| 6 | drv_0_sel_vod[2] | 0 | RW | ||
| 5 | drv_0_sel_vod[1] | 1 | RW | ||
| 4 | drv_0_sel_vod[0] | 0 | RW | ||
| 3 | Reserved | 0 | RW | ||
| 2 | Reserved | 0 | RW | ||
| 1 | mr_drv_0_ov | 0 | RW | 1: Enable 0x80[0] to override pin/sm control
0: Disable 0x80[0] to override pin/sm control |
|
| 0 | sm_drv_0_PD | 0 | RW | 1: Power down OUT0
0: OUT1 in normal operating mode |
|
| OUT1_VOD | Reg 0x84 Channel | 0x04 | OUT1 VOD Control | ||
| 7 | Reserved | 0 | RW | ||
| 6 | drv_1_sel_vod[2] | 0 | RW | OUTDriver1 VOD Setting
000: 570 mVDifferential(Diff) Peak to Peak(PP) 010: 730 mV(Diff PP) 100: 900 mV(Diff PP) 110: 1035 mV(Diff PP) |
|
| 5 | drv_1_sel_vod[1] | 0 | RW | ||
| 4 | drv_1_sel_vod[0] | 0 | RW | ||
| 3 | Reserved | 0 | RW | ||
| 2 | drv_1_sel_scp | 1 | RW | 1: Enables short circuit protection on OUT1
0: Disable short circuit protection on OUT1 |
|
| 1 | mr_drv_1_ov | 0 | RW | 1: Enable 0x80[0] to override pin/sm control
0: Disable 0x80[0] to override pin/sm control |
|
| 0 | sm_drv_1_PD | 0 | RW | 1: Power down OUT1 driver
0: OUT1 in normal operating mode |
|
| OUT1_DE | Reg 0x85 | 0x00 | OUT1 DE Control | ||
| 7 | Reserved | 0 | RW | ||
| 6 | Reserved | 0 | RW | ||
| 5 | Reserved | 0 | RW | ||
| 4 | Reserved | 0 | RW | ||
| 3 | drv_1_dem_range | 0 | RW | Controls de-emphasis of 50 Ω Driver
0000: DE Disabled 0001: 0.2 dB 0010: 1.8 dB 0111: 11 dB |
|
| 2 | drv_1_dem[2] | 0 | RW | ||
| 1 | drv_1_dem[1] | 0 | RW | ||
| 0 | drv_1_dem[0] | 0 | RW |