Name	CZ miniSTM32F103ZE-EK
Part	Unknown
Brand	Unknown
Origin	China

Part	STM32F103ZET6
Manufacturer	ST-Microelectronics
Core	Arm Cortex-M3
Max. Clock Speed	72MHz
Package	LQFP 144 pins

FLASH	512KiB
SRAM	64KiB

HSI	8MHz
LSI	40kHz
HSE	8MHz
LSE	32.768kHz

Sources	Any +3.3V pin (+3.3V) Any +5V pin (+5V) USB connector (+5V)
VDDA pin	No
VSSA pin	No
VREF- pin	No
VREF+ pin	Yes
Backup battery	Holder (12.5mm / 12)

Manufacturer	Advanced Monolithic Systems Inc.
Part	AMS1117 (AMS1117)
Package	SOT223 3 pins
Input	+4.6V to +15V
Output	+3.3V @ 1A
Datasheet	AMS1117.pdf

Color	Blue
Size (w x l)	65mm x 108mm
Mounting	4x mounting hole (M3)

• Warning: The +5V pins on this board are directly connected to the +5V pin of the USB connector. There is no protection in place. Do not power this board through USB and an external power supply at the same time.

• Perspective view
• Top view
• Bottom view
• Original schematic

Name	RESET
Reference	K3
Type	Button
Connected to	NRST
Mode	Active low

Name	-
Reference	-
Type	2-way jumper
Connected to	BOOT0
Mode	N.A.

• Note: This jumper is part of Header 1.

Name	-
Reference	-
Type	2-way jumper
Connected to	PB2
Mode	N.A.

• Note: This jumper is part of Header 1.

Name	-
Reference	K1
Type	Button
Connected to	PB10
Mode	Active low

Name	-
Reference	K2
Type	Button
Connected to	PB11
Mode	Active low

Name	Pwr
Reference	SW1
Type	Switch
Connected to	+5V USB
Mode	N.A.

Name	Pwr
Reference	DS1
Type	LED
Connected to	+3.3V rail
Mode	N.A.

Name	-
Reference	DS2
Type	LED
Connected to	PE2
Mode	Sink

Name	-
Reference	DS3
Type	LED
Connected to	PE0
Mode	Sink

Name	Unknown
Reference	J3
Type	Pin header (2.54mm, 25x2, male)

#	Name	Function	Connected to
1	GND	-	Ground plane
2	5V	-	+5V rail
3	RST	-	NRST
4	B11	-	PB11
5	B10	-	PB10
6	G1	-	PG1
7	G0	-	PG0
8	F15	-	PF15
9	F14	-	PF14
10	F13	-	PF13
11	F12	-	PF12
12	F11	-	PF11
13	B1	-	PB1
14	B0	-	PB0
15	C5	-	PC5
16	C4	-	PC4
17	A4	-	PA4
18	A3	-	PA3
19	A2	-	PA2
20	A1	-	PA1
21	3V3	-	+3.3V rail
22	A0	-	PA0
23	VREF	-	VREF+
24	C3	-	PC3
25	C1	-	PC1
26	C0	-	PC0
27	F10	-	PF10
28	F9	-	PF9
29	F8	-	PF8
30	F7	-	PF7
31	F6	-	PF6
32	F5	-	PF5
33	F4	-	PF4
34	F3	-	PF3
35	F2	-	PF2
36	F1	-	PF1
37	F0	-	PF0
38	C15	-	PC15
39	C14	-	PC14
40	C13	-	PC13
41	E6	-	PE6
42	E5	-	PE5
43	E4	-	PE4
44	D3	-	PD3
45	3V3	-	+3.3V rail
46	3V3	-	+3.3V rail
47	BOOT1	-	PB2
48	BOOT0	-	BOOT0
49	GND	-	Ground plane
50	GND	-	Ground plane

Name	Unknown
Reference	J4
Type	Pin header (2.54mm, 25x2, male)

#	Name	Function	Connected to
1	GND	-	Ground plane
2	5V	-	+5V rail
3	B12	-	PB12
4	B13	-	PB13
5	B14	-	PB14
6	B15	-	PB15
7	D12	-	PD12
8	G2	-	PG2
9	G3	-	PG3
10	G4	-	PG4
11	G5	-	PG5
12	G6	-	PG6
13	G7	-	PG7
14	G8	-	PG8
15	C6	-	PC6
16	C7	-	PC7
17	C8	-	PC8
18	C9	-	PC9
19	A8	-	PA8
20	A9	-	PA9
21	A10	-	PA10
22	A11	-	PA11
23	A12	-	PA12
24	A13	-	PA13
25	A14	-	PA14
26	A15	-	PA15
27	C10	-	PC10
28	C11	-	PC11
29	C12	-	PC12
30	D2	-	PD2
31	D3	-	PD3
32	D6	-	PD6
33	G9	-	PG9
34	G10	-	PG10
35	G11	-	PG11
36	G12	-	PG12
37	G13	-	PG13
38	G14	-	PG14
39	G15	-	PG15
40	B3	-	PB3
41	B4	-	PB4
42	B5	-	PB5
43	B8	-	PB8
44	B9	-	PB9
45	E0	-	PE0
46	E2	-	PE2
47	3V3	-	+3.3V rail
48	3V3	-	+3.3V rail
49	GND	-	Ground plane
50	GND	-	Ground plane

Name	USB
Reference	CN1
Type	USB Mini

#	Name	Function	Connected to
1	-	VCC	+5V rail
2	-	D-	PA11
3	-	D+	PA12
4	-	ID	N.C.
5	-	GND	Ground plane

Name	USB-232
Reference	CN3
Type	USB Mini

#	Name	Function	Connected to
1	-	VCC	+5V rail
2	-	D-	N.C.
3	-	D+	N.C.
4	-	ID	N.C.
5	-	GND	Ground plane

Name	JTAG
Reference	CN2
Type	IDC (2.54mm, 10x2, male)

#	Name	Function	Connected to
1	-	VCC	+3.3V rail
2	-	VCC	+3.3V rail
3	-	TRST	PB4
4	-	GND	Ground plane
5	-	TDI	PA15
6	-	GND	Ground plane
7	-	TMS / SWDIO	PA13
8	-	GND	Ground plane
9	-	TCLK / SWCLK	PA14
10	-	GND	Ground plane
11	-	RTCK	N.C.
12	-	GND	Ground plane
13	-	TDO / SWO	PB3
14	-	GND	Ground plane
15	-	RESET	NRST
16	-	GND	Ground plane
17	-	N.C.	N.C.
18	-	GND	Ground plane
19	-	N.C.	+5V rail
20	-	GND	Ground plane

Name	TF
Reference	J1
Type	microSD

#	Name	Function	Connected to
1	-	DAT2	PC10, pulled up via 10kΩ resistor
2	-	CD/DAT3	PC11, pulled up via 10kΩ resistor
3	-	CMD	PD2, pulled up via 10kΩ resistor
4	-	VDD	+3.3V rail
5	-	CLK	PC12
6	-	VSS	Ground plane
7	-	DAT0	PC8, pulled up via 10kΩ resistor
8	-	DAT1	PC9, pulled up via 10kΩ resistor
9	-	CD	N.C.
10	-	Body	Ground plane

Name	Unknown
Reference	J5
Type	Pin header (2.54mm, 16x2, male)

#	Name	Function	Connected to
1	GND	-	Ground plane
2	E1	-	PE1
3	D10	-	PD10
4	D9	-	PD9
5	D8	-	PD8
6	E15	-	PE15
7	E14	-	PE14
8	E13	-	PE13
9	E12	-	PE12
10	E11	-	PE11
11	E10	-	PE10
12	E9	-	PE9
13	E8	-	PE8
14	E7	-	PE7
15	D1	-	PD1
16	D0	-	PD0
17	D15	-	PD15
18	D14	-	PD14
19	D4	-	PD4
20	D5	-	PD5
21	D11	-	PD11
22	D7	-	PD7
23	A5	-	PA5
24	B7	-	PB7
25	A7	-	PA7
26	A6	-	PA6
27	B6	-	PB6
28	D13	-	PD13
29	5V	-	+5V rail
30	C2	-	PC2
31	3V3	-	+3.3V rail
32	GND	-	Ground plane

Name	nRF24L01
Reference	J6
Type	Pin header (2.54mm, 4x2, female)

#	Name	Function	Connected to
1	GND	GND	Ground plane
2	3V3	VCC	+3.3V rail
3	G15	CE	PG15
4	B9	CSN	PB9
5	B13	SCK	PB13
6	B15	MOSI	PB15
7	B14	MISO	PB14
8	B8	IRQ	PB8

Name	OLED
Reference	J8
Type	Pin header (2.54mm, 6x1, male)

#	Name	Function	Connected to
1	GND	-	Ground plane
2	3V3	-	+3.3V rail
3	E3	-	PE3
4	E4	-	PE4
5	E5	-	PE5
6	E6	-	PE6

Name	Unknown
Reference	U2
Manufacturer	Prolific Technology Inc.
Part	PL-2303HX
Marking	PL-2303HX
Datasheet	PL-2303HX.pdf
Package	SSOP 28 pins
Description	USB to Serial converter

#	Name	Function	Connected to
1	-	TXD	PA10
2	-	DTR_N	Drives Q1, pulled up via 10kΩ resistor
3	-	RTS_N	Output of Q1
4	-	VDD_325	+3.3V rail
5	-	RXD	PA9
6	-	RI_N	N.C.
7	-	GND	Ground plane
8	-	NC	N.C.
9	-	DSR_N	N.C.
10	-	DCD_N	N.C.
11	-	CTS_N	N.C.
12	-	SHTD_N	N.C.
13	-	EE_CLK	N.C.
14	-	EE_DATA	N.C.
15	-	DP	D+ via 33Ω resistor on USB-232
16	-	DM	D- via 33Ω resistor on USB-232
17	-	VDD_3V3	+3.3V rail
18	-	GND_3V3	Ground plane
19	-	NC	+5V rail
20	-	VDD_5	+5V rail
21	-	GND	Ground plane
22	-	GP0	Ground plane
23	-	GP1	Ground plane
24	-	NC	N.C.
25	-	GND_A	Ground plane
26	-	PLL_TEST	Ground plane
27	-	OSC1	Crystal Y1
28	-	OSC2	Crystal Y1