[allegro16.5][4层]单片机最小系统，电源自动切换（PL2303+PDIUSB12+STC89C516RD）...

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[allegro16.5][4层]单片机最小系统，电源自动切换（PL2303+PDIUSB12+STC89C516RD）pcb文件

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文件描述：

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1. 作品用途：单片机最小系统，电源自动切换

2. 软件版本：allegro16.5

3. 层数：4层

4. 用到的主要芯片：PL2303+PDIUSB12+STC89C516RD]) I4 B3 c, B5 O4 j% `: v  j9 m
5. pcb尺寸：120*80 MM

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作品截图如下：

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顶层截图：

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全层截图：

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BOM：

Bill of Material Report (Condensed)
SYM_NAME	COMP_DEVICE_TYPE	COMP_VALUE	COMP_CLASS	QUANTITY	REFDES
名称	类型	属性	类别	数量	位号
1N4148W	1N4148W_1N4148W_1N4148W	1N4148W	IC	8	D1; D2; D3; D4; D5; D6; D7; D8
BUTTON_B3F1020	BUTTON_BUTTON_B3F1020_BUTTON	Button	IC	1	BT1
CAPACITOR0402	CAPACITOR_CAPACITOR0402_0.1UF	0.1uF	IC	5	C1; C2; C5; C6; C7
CAPACITOR0603	CAPACITOR_CAPACITOR0603_20PF	20pF	IC	4	C3; C4; C8; C9
CAPACITOR0603	CAPACITOR_CAPACITOR0603_30PF	30pF	IC	2	C10; C11
CRYSTAL_HC49S	CRYSTAL_2PIN_CRYSTAL_HC49S_12MH	12MHZ	IC	1	X1
CRYSTAL_HC49S	CRYSTAL_2PIN_CRYSTAL_HC49S_6MHZ	6MHZ	IC	1	X2
CRYSTAL_HC49S	CRYSTAL_2PIN_CRYSTAL_HC49S_11.0	11.0592MHZ	IC	1	X3
LED0805	LED_LED0805_LED	LED	IC	3	LED1; LED2; LED3
PDIUSBD12_TSSOP	PDIUSBD12_PDIUSBD12_TSSOP_PDIUS	PDIUSB12	IC	1	U3
PL2303_SOP	PL2303_PL2303_SOP_PL2303	PL2303	IC	1	U2
RELAY_P6D04P	G3DZ-DZ02P_RELAY_P6D04P_RELAY	RELAY	IC	8	U5; U6; U7; U8; U9; U10; U11; U12
RESISTOR0603	RESISTOR_RESISTOR0603_10K	10K	IC	17	R1; R2; R3; R4; R9; R15; R16; R17; R20; R21; R22; R23; R24; R25; R26; R27; R28
RESISTOR0603	RESISTOR_RESISTOR0603_18R	18R	IC	4	R5; R6; R10; R11
RESISTOR0603	RESISTOR_RESISTOR0603_1.5K	1.5K	IC	1	R7
RESISTOR0603	RESISTOR_RESISTOR0603_1K	1K	IC	4	R8; R14; R19; R29
RESISTOR0603	RESISTOR_RESISTOR0603_1M	1M	IC	3	R12; R13; R18
SIP_4PIN	SIP_4PIN_SIP_4PIN_SIP_4PIN	SIP_4Pin	IC	8	J1; J2; J3; J4; J5; J6; J7; J8
STC89C516RD_LQFP	STC89C516RD_STC89C516RD_LQFP_ST	STC89C516RD	IC	1	U1
SWITCH_SS12D10	SWITCH_SWITCH_SS12D10_SWITCH	Switch	IC	1	SW1
TANCAP1206	CAPACITOR_POLAR_TANCAP1206_10UF	10uF/16V	IC	3	EC1; EC2; EC3
ULN2803_PSOP	ULN2803A_ULN2803_PSOP_ULN2803A	ULN2803A	IC	1	U4
USB_B	USB_CON_USB_B_USB_CON	USB_CON	IC	2	CON1; CON2

附件：

PCB文件如下：

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