LED Blinker Circuit Design

Updated 19 connections

0:13

Connected J3:Pin_1, J4:Pin_1 to ^GND

Connected J3:Pin_2 to ^3V3

Connected J3:Pin_3, U1:PA0_WKUP to ^PA0

Connected J3:Pin_4, U1:PA1 to ^PA1

Connected J3:Pin_5, U1:PA2 to ^PA2

Connected J3:Pin_6, U1:PA3 to ^PA3

Connected J3:Pin_7, U1:PA4 to ^PA4

Connected J3:Pin_8, U1:PA5 to ^PA5

Connected J3:Pin_9, U1:PA6 to ^PA6

Connected J3:Pin_10, U1:PA7 to ^PA7

Connected J4:Pin_2 to ^VBUS

Connected J4:Pin_3, U1:PB0 to ^PB0

Connected J4:Pin_4, U1:PB1 to ^PB1

Connected J4:Pin_5, U1:PB10 to ^PB10

Connected J4:Pin_6, U1:PB11 to ^PB11

Connected J4:Pin_7, U1:PA9 to ^PA9

Connected J4:Pin_8, U1:PA10 to ^PA10

Connected J4:Pin_9 to ^NRST

Connected J4:Pin_10 to ^BOOT0

nets {

net NRST = SW1:P1, J4:Pin_9, U1:NRST, J2:06, C10:P1, R6:P2;

net GND = U1 VSS - C3 P2:GND, J3 Pin_1 - J4 Pin_1:GND, J4:Pin_1, J3:Pin_1, J1 SHELL_GND - R1 P2:GND, C2:P2, C10:P2, C9:P2, R1:P2, J2 05 - SW1 P3:GND, J2:05, J2:03, C6:P2, C1:P2, C4:P2, U1 VSS - U2 VSS:GND, U2:VSS, SW1:P3, C5:P2, C12:P2, C3:P2, U1:47, U1:VSSA, U1:35, U1:23, LED1:K, D1:GND, J2 05 - R8 P2:GND, R8:P2, C11:P2, C13:P2, C8:P2, R2:P2, C7:P2;

net VBUS = J4:Pin_2, C2:P1, D1:VBUS, U2:VIN, U2:CE, C1:P1;

net 3V3 = U1:VBAT, U1:24, U1:36, U1:48, U1:VDDA, J3:Pin_2, C9:P1, R7:P1, C13:P1, J2:01, R5:P1, U2:VOUT, C6:P1, C3:P1, R6:P1, C5:P1, C7:P1, C4:P1, SW2:P3, C8:P1;

net USER_LED = U1:PC13_TAMPER_RTC, R9:P1;

net SWCLK = R8:P1, J2:04;

net BOOT0 = R5:P2, J4:Pin_10, U1:BOOT0, SW2:P1;

net SWDIO = R7:P2, J2:02;

net PA0 = J3:Pin_3, U1:PA0_WKUP;

net PA1 = J3:Pin_4, U1:PA1;

net PA2 = J3:Pin_5, U1:PA2;

net PA3 = J3:Pin_6, U1:PA3;

net PA4 = J3:Pin_7, U1:PA4;

net PA5 = J3:Pin_8, U1:PA5;

net PA6 = J3:Pin_9, U1:PA6;

net PA7 = J3:Pin_10, U1:PA7;

net PB0 = J4:Pin_3, U1:PB0;

net PB1 = J4:Pin_4, U1:PB1;

net PB10 = J4:Pin_5, U1:PB10;

net PB11 = J4:Pin_6, U1:PB11;

net PA9 = J4:Pin_7, U1:PA9;

net PA10 = J4:Pin_8, U1:PA10;

}

18 days

Task completed.

2:07

Running design review.

18 days

0:07

Work done
  • 新增两组 SMT 板边排针:J3J4,均采用 Samtec 1x10 / 1.27 mm 表贴排针,适合作为量产型 MCU 接口引出
  • 完成引出分组连接:
    • J3 引出 GND、3V3、PA0-PA7
    • J4 引出 GND、VBUS、PB0、PB1、PB10、PB11、PA9、PA10、NRST、BOOT0
  • 保留并未改动核心功能链路:J1 USB 供电、J2 SWD 调试、SW1 复位、SW2 BOOT0 控制仍然存在且保持原网络
  • 对更新后的原理图与布局进行了检查:新排针都已有封装,且已经加入实时网络;布局侧已为 J3 / J4 准备板边放置
Success criteria review
  • ✅ 已将常用 MCU 接口通过 SMT-compatible 排针引出,覆盖 GPIO、电源与控制信号
  • ✅ USB 供电、SWD、Reset、BOOT0 原有功能网络均被保留,没有被替换或断开
  • ✅ 新增连接器均为 SMT 器件并带有效封装,满足生产导向的器件选择方向
  • ❌ PCB 仍有大量 airwires,且 ui-place 对新连接器提出了方向确认要求,所以布局与走线还未完成到可投产状态
Next steps 下一步应由你在布局中确认 J3J4 的朝向并完成板边放置,然后继续布线并清除 airwires。如果你愿意,我下一步可以继续帮你做 引出接口丝印/引脚定义整理,并给出一份建议的左右两侧排针 pinout 表。
Fix any review issues
Use 1.27mm headers
Expose common signals
18 days

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