Open429I-C User Manual
Version: V1.3.3, Date: 2019.04.02
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integrates USB HS controller without
any PHY device)
9.
LCD interface 1:
for connecting 7inch
LCD
10.
ONE-WIRE interface:
easily connects
to ONE-WIRE devices (TO-92
package), such as temperature sensor
(DS18B20), electronic registration
number (DS2401), etc.
11.
LCD interface 2:
for connecting
4.3inch LCD
12.
I2C2/I2C3 interface:
easily connects
to I2C peripherals such as I/O
expander (PCF8574), EEPROM
(AT24Cxx), etc.
13.
SAI1 interface:
for connecting audio
modules like UDA1380 module
14.
Ethernet interface:
for connecting
Ethernet modules
15.
USB connector:
USB to UART via the
onboard convertor PL2303
16.
SPI1/SPI2 interfaces:
a)
easily connects to SPI peripherals
such as DataFlash (AT45DBxx), SD
card, MP3 module, etc.
b)
easily connects to AD/DA
modules (SPI1 features AD/DA
alternative function)
17.
I2S2/I2S3/I2C1 interface:
easily
connects to I2S peripherals such as
audio module, etc.
18.
8-bit FMC interface:
easily connects
to peripherals such as NandFlash
19.
5V DC jack
20.
5V/3.3V power input/output:
usually
used as power output, also common-
grounding with other user board
21.
MCU pins connector:
all the MCU I/O
ports are accessible on expansion
connectors for further expansion
22.
PL2303:
USB to UART convertor
23.
LEDs:
convenient for indicating I/O
status and/or program running state
24.
PL2303 TX-LED / RX-LED
25.
12MHz crystal:
for PL2303
26.
Joystick:
five positions
27.
WAKE UP button:
used as regular
button, and/or wake up the STM32
MCU from sleep
28.
USB to UART jumper
29.
LED jumper
a)
short the jumper to connect to
default I/Os used in example code
b)
open the jumper to connect to
custom I/Os via jumper wires
30.
Button/Joystick jumper
a)
short the jumper to connect to
default I/Os used in example code
b)
open the jumper to connect to
custom I/Os via jumper wires