Microchip PIN-44开发分线板

PCB图如下：

描述

Microchip PIN-44 开发分线板

此设计适用于 PIC 44 引脚 SMD 控制器。我已经将此板设计为初始版本，一旦我们在项目中使用它就会得到增强。

这种板对于原型项目非常有用。我们计划在板上添加一些必要的外围 IC。我想听听您的意见，哪些是可以包括在内的有用的外围 IC。

这是完整的组件列表

1 cl - CPl_Small：Capacitor_SMD:CP_Elec_3x5.4

2 c2 - CPl_Small：电容器_SMD：CP_Elec_3x5.4

3 c3 - C：电容器_THT：C_Disc_D3.0mm_W2.0mm_P2.50mm

4 c4 - C：电容器_THT：C_Disc_D3.0mm_W2.0mm_P2.50mm

5 cs - C : Capacitor_SMD:C_1206_3216Metric_Padl.42x1.75mm_HandSolder

6 cé - C : Capacitor_SMD:C_1206_3216Metric_Padl.42x1.75mm_HandSolder

7 c7 - C：电容器_SMD：C_1206_3216Metric_Padl.42x1.75mm_HandSolder

8 cs - C : Capacitor_SMD:C_1206_3216Metric_Padl.42x1.75mm_HandSolder

9 Dl - LED : LED _SMD:LED 1206_321é￠Metric_Padl.42x1.7S5mm_HandSolder

10 D2 - LED : LED _SMD:LED 120€_321éMetric_Padl.42x1.7S5mm_HandSolder

ll dl - Conn_01x02：Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical

12 J2 - Conn_01x05：Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical

13 J3 - Conn_01x20：Connector_PinHeader_2.54mm:PinHeader_1lx20_P2.54mm_Vertical

14 J4 - Conn_01x20：Connector_PinHeader_2.54mm：PinHeader_1x20_P2.54mm_Vertical

15 Js - Conn_01x02：Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical

16 Rl - R：电阻器_SMD：R_1206_3216Metric_Padl.42x1.7Smm_HandSolder

17 R2 - R：电阻器_SMD：R_1206_3216Metric_Padl.42x1.75mm_HandSolder

18 R3 - R：电阻器_SMD：R_120€_321￠Metric_Padl.42x1.75mm_HandSolder

15 RS - R：电阻器_SMD：R_1206_3216Metric_Padl.42x1.75mm_HandSolder

20 swl - SW_Push : Button_Switch_THT:SW_PUSH_émm_HSmm

2l sww3 - SW_Push : Button_Switch_THT:SW_PUSH_émm_HSmm

22 Ul - 1M1117-5.0：Package_TO_SOT_SMD:SOT-223-3_TabPin2

23 U2 - PIC16F877A-IPT：封装_QFP：TOQFP-44_10xl0mm_P0.Smm

24 Yl - 水晶：Crystal:Crystal_HC49-4H Vertical