[allegro16.6][2层] opensda仿真器（PK20DX128VFM5+74LVC125ADB+USB）原理图和pcb...

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[allegro16.6][2层] opensda仿真器（PK20DX128VFM5+74LVC125ADB+USB）原理图和pcb文件

文件描述：
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1. 作品用途： opensda仿真器
  T" s' B, E8 A. E4 [1 r2. 软件版本：allegro16.6
3. 层数：2层
4 J4 }6 e9 z% _. E, z4. 用到的主要芯片：PK20DX128VFM5+74LVC125ADB+USB
5. pcb尺寸： 1968.504*1181.102 MIL
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* N& f! z/ @3 ]+ A1 w- B: }作品截图如下：

顶层截图：

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6 m/ P5 q& l) ?; M/ \  b8 Y全层截图：
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BOM：
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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
CC0603_OV	CAP_NP_CC0603_OV_DISCRETE_1.0UF	1.0UF	DISCRETE	3	C1; C2; C8
CC0603_OV	CAP_NP_CC0603_OV_DISCRETE_22PF	22PF	DISCRETE	2	C3; C4
CC0603_OV	CAP_NP_CC0603_OV_DISCRETE_2.2UF	2.2UF	DISCRETE	1	C5
CC0603_OV	CAP_NP_CC0603_OV_DISCRETE_10UF	10uF	DISCRETE	2	C6; C7
CON5_USB_RA_SMT	USB_MINI_AB_RECEPTACLE_CON5_USB	CONN USB MINI-B	IO	1	J1
HDRV4W50P200_1X4_800X200X520P	4 HEADER_HDRV4W50P200_1X4_800X2	4 HEADER	IC	3	J2; J3; J4
IND_0805	BEAD_IND_0805_DISCRETE_330 OHM	330 OHM	DISCRETE	2	L1; L2
LED_0603	LED_LED_0603_IC_LED GREEN	LED GREEN	IC	1	D1
OSCCC320X500X100-4N	CRYSTAL_JXS63_OSCCC320X500X100-	8MHZ	IC	1	Y1
QFN32_S142EP	PK20DX128V_QFN_32P_QFN32_S142EP	PK20DX128VFM5	IC	1	U1
RC0603_OV	RES_RC0603_OV_DISCRETE_10K	10K	DISCRETE	5	R1; R4; R9; R11; R12
RC0603_OV	RES_RC0603_OV_DISCRETE_33	33	DISCRETE	2	R2; R3
RC0603_OV	RES_RC0603_OV_DISCRETE_220	220	DISCRETE	1	R7
RC0603_OV	RES_RC0603_OV_DISCRETE_4.7K	4.7K	DISCRETE	1	R8
SOD-123	DIODE_SCHTKY_SOD-123_IC_MBR120V	MBR120VLSFT1G	IC	1	D2
SOT23_A	DIODE_2LINE_ESD_SOT23_A_IC_GSOT	GSOT05C-GS08	IC	1	U2
SOT223	LD1117AS18_SOT223_IC_NCP1117ST3	NCP1117ST33T3G	IC	1	U4
SSOP14	74-125_14P_SSOP14_IC_74LVC125AD	74LVC125ADB	IC	1	U3
TPAD_030	TESTLOOP_TPAD_030_IO_TPAD_030	TPAD_030	IO	1	TP1

附件：
( b$ e  C+ c1 D. Q  r原理图和PCB文件如下：
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