Asymmetric_Reliable_Serial_.../attach/LVDS物理环境示意图.mmd

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2026-09-29 21:37:18 +08:00
flowchart LR
C["公共 12 GHz 时钟源"]
HC["主机侧分频与分配<br/>/32 → 375 MHz;/64 → 187.5 MHz"]
SC["从机侧分频与分配<br/>每个从机 /16 → 750 MHz"]
M["主机 Master FPGA<br/>375 MHz DDR 串行<br/>187.5 MHz × 4 bit"]
S1["从机 1 · Slave ASIC<br/>750 MHz SDR<br/>1 个 RX + 1 个 TX"]
S2["从机 2 · Slave ASIC<br/>750 MHz SDR<br/>1 个 RX + 1 个 TX"]
SN["… 更多从机<br/>每台同样 1 个 RX + 1 个 TX"]
C --> HC --> M
C --> SC
SC --> S1
SC --> S2
SC --> SN
M -- "TX_1 → RX · 1 对 LVDS · 750 Mbps" --> S1
S1 -- "TX → RX_1 · 1 对 LVDS · 750 Mbps" --> M
M -- "TX_2 → RX · 1 对 LVDS · 750 Mbps" --> S2
S2 -- "TX → RX_2 · 1 对 LVDS · 750 Mbps" --> M
M <-->|"每台同样两对 LVDS"| SN
classDef clock fill:#e9effb,stroke:#6d84ba,color:#244475;
classDef master fill:#e6f4f4,stroke:#087f8c,color:#175660;
classDef slave fill:#fff0e3,stroke:#d7722d,color:#84502d;
class C,HC,SC clock;
class M master;
class S1,S2,SN slave;