Haoyu Electronics LPC1768-MINI-DK2 - User Manual

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A
B
C
D
4
321
D
C
B
A
P0.0/RD1/TXD3/SDA1
46
P0.1/TD1/RXD3/SCL1
47
P0.2/TXD0/AD0.7
98
P0.3/RXD0/AD0.6
99
P0.4/I2SRX_CLK/RD2/CAP2.0
81
P0.5/I2SRX_WS/TD2/CAP2.1
80
P0.6/I2SRX_SDA/SSEL1/MAT2.0
79
P0.7/I2STX_CLK/SCK1/MAT2.1
78
P0.8/I2STX_WS/MISO1/MAT2.2
77
P0.9/I2STX_SDA/MOSI1/MAT2.3
76
P0.10/TXD2/SDA2/MAT3.0
48
P0.11/RXD2/SCL2/MAT3.1
49
P0.15/TXD1/SCK0/SCK
62
P0.17/CTS1/MISO0/MISO
61
P0.16/RXD1/SSEL0/SSEL
63
P0.18/DCD1/MOSI0/MOSI
60
P0.19/DSR1/SDA1
59
P0.20/DTR1/SCL1
58
P0.21/RI1/RD1
57
P0.22/RTS1/TD1
56
P0.23/AD0.0/I2SRX_CLK/CAP3.0
9
P0.24/AD0.1/I2SRX_WS/CAP3.1
8
P0.25/AD0.2/I2SRX_SDA/TXD3
7
P0.26/AD0.3/AOUT/RXD3
6
P0.27/SDA0/USB_SDA
25
P0.28/SCL0/USB_SCL
24
P0.29/USB_D+
29
P0.30/USB_D-
30
P1.0/ENET_TXD0
95
P1.1/ENET_TXD1
94
P1.4/ENET_TX_EN
93
P1.8/ENET_CRS
92
P1.9/ENET_RXD0
91
P1.10/ENET_RXD1
90
P1.14/ENET_RX_ER
89
P1.15/ENET_REF_CLK
88
P1.16/ENET_MDC
87
P1.17/ENET_MDIO
86
P1.18/USB_UP_LED/PWM1.1/CAP1.0
32
P1.19/MC0A/USB_PPWR/CAP1.1
33
P1.20/MCFB0/PWM1.2/SCK0
34
P1.21/MCABORT/PWM1.3/SSEL0
35
P1.22/MC0B/USB_PWRD/MAT1.0
36
P1.23/MCFB1/PWM1.4/MISO0
37
P1.24/MCFB2/PWM1.5/MOSI0
38
P1.25/MC1A/MAT1.1
39
P1.26/MC1B/PWM1.6/CAP0.0
40
P1.27/CLKOUT/USB_OVRCR/CAP0.1
43
P1.28/MC2A1.0/MAT0.0
44
P1.29/MC2B/PCAP1.1/MAT0.1
45
P1.30/VBUS/AD0.4
21
P1.31/SCK1/AD0.5
20
P2.0/PWM1.1/TXD1
75
P2.1/PWM1.2/RXD1
74
P2.2/PWM1.3/CTS1/TRACEDATA3
73
P2.3/PWM1.4/DCD1/TRACEDATA2
70
P2.4/PWM1.5/DSR1/TRACEDATA1
69
P2.5/PWM1.6/DTR1/TRACEDATA0
68
P2.6/PCAP1.0/RI1/TRACECLK
67
P2.7/RD2/RTS1
66
P2.8/TD2/TXD2
65
P2.9/USB_CONNECT/RXD2
64
P2.10/EINT0/NMI
53
P2.11/EINT1/I2STX_CLK
52
P2.12/EINT2/I2STX_WS
51
P2.13/EINT3/I2STX_SDA
50
P3.25/MAT0.0/PWM1.2
27
P3.26/STCLK/MAT0.1/PWM1.3
26
P4.28/RX_MCLK/MAT2.0/TXD3
82
P4.29/TX_MCLK/MAT2.1/RXD3
85
TDO/SWO
1
TDI
2
TMS/SWDIO
3
TRST
4
TCK/SWDCLK
5
RTCK
100
RSTOUT
14
RESET
17
XTAL1
22
XTAL2
23
RTCX2
18
RTCX1
16
VDDIO_1
28
VSS_1
31
VSS_2
41
VSS_3
55
VSS_4
72
VSS_5
97
VSS_6
83
VSSA
11
VDDIO_2
54
VDDIO_3
71
VDDIO_4
96
VDDREG_1
42
VDDREG_2
84
VDDA
10
VREF+
12
VREF-
15
VBAT
19
NC
13
U1
LPC1768
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P0.8
P0.9
P0.10
P0.11
P0.15
P0.16
P0.17
P0.18
P0.19
P0.20
P0.21
P0.22
P0.23
P0.24
P0.25
P0.26
P0.27
P0.28
P0.29
P0.30
P1.0
P1.1
P1.4
P1.8
P1.9
P1.10
P1.14
P1.15
P1.16
P1.17
P1.18
P1.19
P1.20
P1.21
P1.22
P1.23
P1.24
P1.25
P1.26
P1.27
P1.28
P1.29
P1.30
P1.31
P3.25
P3.26
P4.28
P4.29
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P2.8
P2.9
P2.10
P2.11
P2.12
P2.13
Y1
12M
C23
22P
C24
22P
BT1
3V
VBAT
RTCX1
RTCX2
X1
X2
C7
104
C6
104
C5
104
C4
104
C3
104
C2
104
3V3
VDDA
VSSA
VREF+
VREF-
L1
10uH
L2
10uH
3V3
L3
10uH
L4
10uH
C9
104
C18
105
VDDA VREF+
VSSA VREF-
C17
105
C8
104
TDO
TDI
TMS
TRST
TCK
RTCK
RSTOUT
RESET
SW1
RESET
C1
104
R1
10K
3V3
RS
WR
RD
ETH_TXD0
ETH_TXD1
ETH_TX_EN
ETH_CRS
ETH_RXD0
ETH_RXD1
ETH_RX_ER
ETH_REF_CLK
ETH_MDC
ETH_MDIO
RESET
ISP
VBUS
USB_UP_LED
USB_PPWR
USB_PWRD
USB_D+
USB_D-
USB_CONNECT
CSA
UART0_TX
UART0_RX
TP_CS
TP_SCK
TP_SDO
TP_SDI
SD_SCK
SD_CS
SD_SDO
SD_SDI
KEY2
SD_CD
TDO
TDI
TMS
TRST
TCK
RTCK
TP_IRQ
KEY1
C27
12P
C28
12P
4 1
3 2
Y2
32.768K
DB00
DB01
DB02
DB03
DB04
DB05
DB06
DB07
DB08
DB09
DB10
DB11
DB12
DB13
DB14
DB15
LED1
LED2
BL_CTRL
reserve
reserve
reserve
reserve
reserve
reserve
reserve
reserve
reserve
reserve
reserve
reserve
reserve
reserve
Designed by HAOYU Electroni
www.PowerMCU.com
GND
3V3
GND
P0.26
P0.25
P0.24
P0.23
VDDA
VSSA
VREF+
3V3
RSTOUT
GND
VREF-
RESET
VBAT
GND
P1.31
P1.30
3V3
3V3
GND
P0.28
P0.27
P3.26
P3.25
3V3
P0.29
P0.30
GND
P1.18
P1.19
P1.20
P1.21
P1.22
P1.23
P1.24
P1.25
P1.26
GND
3V3
P1.27
P1.28
P1.29
P0.0
P0.1
P0.10
P0.11
P2.13
5V
P0.3
P0.2
GND
3V3
P1.0
P1.1
P1.4
P1.8
P1.9
P1.10
P1.14
P1.15
P1.16
P1.17
P4.29
3V3
GND
P4.28
P0.4
P0.5
P0.6
P0.7
P0.8
P0.9
P2.0
P2.1
P2.2
GND
3V3
P2.3
P2.4
P2.5
P2.6
P2.7
P2.8
P0.16
P2.9
P0.15
P0.17P0.18
P0.19
P0.20
P0.21
P0.22
GND
3V3
P2.10
P2.11
P2.12
5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P3
20PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P1
40PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P2
40PIN
LCDB_SCK
LCDB_CS
LCDB_SDO
LCDB_SDI
reserve
RSTOUT

Summary

Microcontroller Pinout and Peripherals

Port P0 and P1 Pin Functions

Detailed pin assignments for microcontroller ports P0 and P1, including GPIO, UART, Ethernet, and LCD functions.

Port P2 and P3 Pin Functions

Pin assignments for microcontroller ports P2 and P3, covering GPIO, LCD, and user interface connections like keys and LEDs.

Clock and Power Supply Pins

Designations for clock input/output (RTC, XTAL) and power supply pins (VDD, VSSA, VREF) for the microcontroller.

Ethernet Interface

Ethernet PHY Connections

Schematic details for the Ethernet PHY (LAN8720A), including TX/RX differential pairs and control signals.

Ethernet Magnetics and Connector

Configuration of Ethernet transformers (CN1) for signal isolation and the RJ45 connector for network interface.

User Interface and Indicators

User Key Inputs

Implementation of user input keys (KEY1, KEY2) using tactile switches and pull-up/down resistors.

LED Indicators

Circuitry for LED indicators (LED1, LED2) driven by microcontroller GPIO pins for status feedback.

USB Connectivity

USB Host;Device Circuit

Design for USB host and device functionality, including ESD protection and power management circuitry.

USB to UART Bridge

Implementation of a USB to UART serial converter using the CP2102 chip for communication.

Haoyu Electronics LPC1768-MINI-DK2 Specifications

General

Microcontroller	NXP LPC1768
Core	ARM Cortex-M3
Operating Frequency	100 MHz
Flash Memory	512 KB
SRAM	64 KB
GPIO Pins	70
ADC Channels	8
DAC Channels	1
UART	4
I2C	2
SPI	2
CAN	2
Operating Voltage	3.3V
USB	USB 2.0
Ethernet	10/100 Mbps
Operating Temperature	-40°C to 85°C