Name	中景园 (Zhongjingyuan) Board
Part	Unknown
Brand	Unknown
Origin	China

Part	STM32F107RCT6
Manufacturer	ST-Microelectronics
Core	Arm Cortex-M3
Max. Clock Speed	72MHz
Package	UFQFPN 64 pins

FLASH	256KiB
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	No
Backup battery	None

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)	40mm x 90mm
Mounting	4x mounting hole (M3)

• Perspective view
• Top view
• Bottom view

Name	NRST
Reference	-
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	KEY0
Reference	-
Type	Button
Connected to	PC1
Mode	Active low

Name	KEY1
Reference	-
Type	Button
Connected to	PC2
Mode	Active low

Name	WK_UP
Reference	-
Type	Button
Connected to	PA0
Mode	Active high

Name	-
Reference	D1
Type	LED
Connected to	+3.3V rail
Mode	N.A.

Name	-
Reference	D2
Type	LED
Connected to	PD2
Mode	Sink

Name	Unknown
Reference	J3
Type	Pin header (2.54mm, 30x1, male)

#	Name	Function	Connected to
1	VDD	-	+3.3V rail
2	PC15	-	PC15
3	GND	-	Ground plane
4	PC14	-	PC14
5	GND	-	Ground plane
6	PC13	-	PC13
7	PC0	-	PC0
8	PC1	-	PC1
9	PC2	-	PC2
10	PC3	-	PC3
11	PA0	-	PA0
12	PA1	-	PA1
13	PA2	-	PA2
14	PA3	-	PA3
15	CS	-	PA4
16	SCL	-	PA5
17	PA6	-	PA6
18	SDA	-	PA7
19	PC4	-	PC4
20	PC5	-	PC5
21	PB0	-	PB0
22	PB1	-	PB1
23	PB10	-	PB10
24	PB11	-	PB11
25	VDD	-	+3.3V rail
26	BOT1	-	PB2
27	GND	-	Ground plane
28	VDD	-	+3.3V rail
29	BOOT0	-	BOOT0
30	GND	-	Ground plane

Name	Unknown
Reference	J4
Type	Pin header (2.54mm, 30x1, male)

#	Name	Function	Connected to
1	PB12	-	PB12
2	PB13	-	PB13
3	PB14	-	PB14
4	PB15	-	PB15
5	PC6	-	PC6
6	PC7	-	PC7
7	PC8	-	PC8
8	PC9	-	PC9
9	PA8	-	PA8
10	PA9	-	PA9
11	PA10	-	PA10
12	PA11	-	PA11
13	PA12	-	PA12
14	PA13	-	PA13
15	PA14	-	PA14
16	PC11	-	PC11
17	PA15	-	PA15
18	PD2	-	PD2
19	PC10	-	PC10
20	PB4	-	PB4
21	PC12	-	PC12
22	PB6	-	PB6
23	PB3	-	PB3
24	PB8	-	PB8
25	DC	-	PB5
26	GND	-	Ground plane
27	PB7	-	PB7
28	GND	-	Ground plane
29	PB9	-	PB9
30	VDD	-	+3.3V rail

Name	Unknown
Reference	U3
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	SWD
Reference	J6
Type	Pin header (2.54mm, 4x1, male)

#	Name	Function	Connected to
1	SWCLK	SWCLK	PA14
2	SWDIO	SWDIO	PA13
3	GND	GND	Ground plane
4	VDD	VCC	+3.3V rail

Name	UART
Reference	J5
Type	Pin header (2.54mm, 4x1, male)

#	Name	Function	Connected to
1	VDD	-	+3.3V rail
2	GND	-	Ground plane
3	RX	-	PA10
4	TX	-	PA9

Name	Unknown
Reference	J1
Type	Pin header (2.54mm, 11x1, female)

#	Name	Function	Connected to
1	GND	-	Ground plane
2	VDD	-	+3.3V rail
3	SCL A5	-	PA5
4	SDA A6	-	PA6
5	RES D2	-	PD2
6	DC B5	-	PB5
7	CS A4	-	PA4
8	IO1 B6	-	PB6
9	IO2 B7	-	PB7
10	IO3 B8	-	PB8
11	IO4 B9	-	PB9

Name	Unknown
Reference	U4
Manufacturer	Winbond Electronics Corporation
Part	W25X16AV
Marking	25X16AV
Datasheet	W25X16AV.pdf
Package	SOIC 8 pins
Description	2MiB Dual SPI FLASH

#	Name	Function	Connected to
1	-	/CS	PB12
2	-	DO	PB14
3	-	/WP	+3.3V rail
4	-	GND	Ground plane
5	-	DI	PB15
6	-	CLK	PB13
7	-	/HOLD	+3.3V rail
8	-	VCC	+3.3V rail