CZ miniSTM32F103ZE-EK

STM32F103ZET6


Board

NameCZ miniSTM32F103ZE-EK
PartUnknown
BrandUnknown
OriginChina

Microcontroller

PartSTM32F103ZET6
ManufacturerST-Microelectronics
CoreArm Cortex-M3
Max. Clock Speed72MHz
PackageLQFP 144 pins

Internal memories

FLASH512KiB
SRAM64KiB

Oscillators

HSI8MHz
LSI40kHz
HSE8MHz
LSE32.768kHz

Power

Sources
Any +3.3V pin (+3.3V)
Any +5V pin (+5V)
USB connector (+5V)
VDDA pinNo
VSSA pinNo
VREF- pinNo
VREF+ pinYes
Backup batteryHolder (12.5mm / 12)

Regulator

ManufacturerAdvanced Monolithic Systems Inc.
PartAMS1117 (AMS1117)
PackageSOT223 3 pins
Input+4.6V to +15V
Output+3.3V @ 1A
DatasheetAMS1117.pdf

PCB

ColorBlue
Size (w x l)65mm x 108mm
Mounting4x mounting hole (M3)

Remarks

  • 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.

Pictures

CZ miniSTM32F103ZE-EK: Perspective view
CZ miniSTM32F103ZE-EK: Perspective view
CZ miniSTM32F103ZE-EK: Top view
CZ miniSTM32F103ZE-EK: Top view
CZ miniSTM32F103ZE-EK: Bottom view
CZ miniSTM32F103ZE-EK: Bottom view

Inputs & outputs


Reset button

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

BOOT0 jumper

Name -
Reference -
Type 2-way jumper
Connected to BOOT0
Mode N.A.
  • Note: This jumper is part of Header 1.

BOOT1 jumper

Name -
Reference -
Type 2-way jumper
Connected to BOOT1
Mode N.A.
  • Note: This jumper is part of Header 1.

User button 1

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

User button 2

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

Power source switch

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

Power LED

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

User LED 1

Name -
Reference DS2
Type LED
Connected to PE2
Mode Sink

User LED 2

Name -
Reference DS3
Type LED
Connected to PE0
Mode Sink

Connectors & headers


Header 1 properties

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

Header 1 pins

# 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 - BOOT1
48 BOOT0 - BOOT0
49 GND - Ground plane
50 GND - Ground plane

Header 2 properties

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

Header 2 pins

# 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

Main USB connector properties

Name USB
Reference CN1
Type USB Mini

Main USB connector pins

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

Serial USB connector properties

Name USB-232
Reference CN3
Type USB Mini

Serial USB connector pins

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

JTAG header properties

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

JTAG header pins

# 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

SD-card connector properties

Name TF
Reference J1
Type microSD

SD-card connector pins

# 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

TFT Header properties

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

TFT Header pins

# 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

nRF24L01 module header properties

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

nRF24L01 module header pins

# 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

OLED header properties footprint

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

OLED header pins footprint

# 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

Devices


PL-2303HX properties

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

PL-2303HX pins

# 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