Advertisement
LPC1820FBD144, 551 (YF570B00) MCU (Microcontroller Unit)
PIN
NAME
I/O
NO.
1
I/O
General purpose digital input/output pin
GPIO2
[
0
]
2
I
ADC input channel 1
ADC0_1
3
I/O
General purpose digital input/output pin
GPIO2
[
1
]
4
VSSIO
-
Ground
5
VDDIO
-
I/O power supply +3.3 V
6
DAC
I
ADC input channel 0
7
GPIO2
[
3
]
I/O
8
[
]
I/O
GPIO2
2
9
[
]
I/O
General purpose digital input/output pin
GPIO2
4
10
[
]
I/O
GPIO2
5
11
I/O
GPIO2
[
6
]
12
I
Input to the oscillator circuit and internal clock generator circuits
XTAL1
13
O
Output from the oscillator amplifier
XTAL2
14
Transmit Clock
I2S1_TX_SCK
I/O
15
GPIO5
[
12
]
I/O
General purpose digital input/output pin
16
USB0_VDDA3V3_DRIVER
-
Separate analog 3.3 V power supply for driver
17
USB0_VDDA3V3
-
USB 3.3 V separate power supply voltage
18
I/O
USB0 bidirectional D+ line
USB0_DP
19
-
Dedicated analog ground for clean reference for termination resistors
USB0_VSSA_TERM
20
I/O
USB0 bidirectional D- line
USB0_DM
21
I/O
VBUS pin (power on USB cable)
USB0_VBUS
22
I
Indicates to the transceiver whether connected as an
USB0_ID
A-device (USB0_ID LOW) or B-device (USB0_ID HIGH)
23
Dedicated clean analog ground for generation of reference currents and voltages
USB0_VSSA_REF
-
24
12.0 kΩ (accuracy 1 %) on-board resistor to ground for current reference
USB0_RREF
-
25
VDDREG
-
Main regulator power supply +3.3 V
26
TDI
I
Test Data In for JTAG interface
27
I
Test Clock for JTAG interface
TCK
28
I
JTAG interface control signal
DBGEN
29
I
Test Reset for JTAG interface
TRST
30
I
Test Mode Select for JTAG interface
TMS
31
O
Test Data Out for JTAG interface
TDO
32
GPIO0
[
0
]
I/O
General purpose digital input/output pin
33
GPIO5
[
13
]
I/O
34
I
2
S1 transmit data
I2S1_TX_SDA
I/O
35
GPIO5
[
14
]
I/O
General purpose digital input/output pin
36
-
I/O power supply +3.3 V
VDDIO
37
[
]
I/O
GPIO2
9
38
[
]
I/O
General purpose digital input/output pin
GPIO0
4
39
[
]
I/O
GPIO2
10
40
-
Ground
VSSIO
41
-
I/O power supply +3.3 V
VDDIO
42
BOOT
[
0
]
I/O
Boot pin
43
BOOT
[
1
]
I/O
44
Master In Slave Out for SSP1
SSP1_MISO
I/O
45
Serial clock for SSP1
SSP1_SCK
I/O
46
[
]
I/O
General purpose digital input/output pin
GPIO2
11
47
I/O
Master Out Slave in for SSP1
SSP1_MOSI
48
I/O
Slave Select for SSP1
SSP1_SSEL
49
I/O
GPIO1
[
9
]
50
I/O
GPIO1
[
10
]
51
I/O
GPIO1
[
1
]
52
GPIO1
[
2
]
I/O
53
GPIO1
[
3
]
I/O
General purpose digital input/output pin
54
GPIO2
[
12
]
I/O
55
GPIO1
[
4
]
I/O
56
[
]
I/O
GPIO1
5
57
[
]
I/O
GPIO2
13
58
[
]
I/O
GPIO2
14
59
-
Main regulator power supply +3.3 V
VDDREG
60
I/O
GPIO1
[
6
]
61
GPIO1
[
7
]
I/O
62
GPIO0
[
2
]
I/O
63
GPIO2
[
15
]
I/O
General purpose digital input/output pin
64
GPIO0
[
3
]
I/O
65
GPIO2
[
7
]
I/O
66
[
]
I/O
GPIO0
12
67
[
]
I/O
GPIO0
13
68
O
Clock output pin
CLKOUT
69
I/O
GPIO5
[
18
]
General purpose digital input/output pin
70
I/O
GPIO0
[
15
]
71
I/O power supply +3.3 V
VDDIO
-
72
General purpose digital input/output pin
GPIO4
[
11
]
I/O
PIN
FUNCTION
NO.
NAME
I/O
73
I2S0_RX_MCLK
O
I
2
S receive master clock
74
I2S0_RX_WS
I/O
Receive Word Select
75
U0_TXD
O
Transmitter output for USART0
76
VSSIO
-
Ground
77
VDDIO
-
I/O power supply +3.3 V
78
2
I2S0_RX_SDA
I/O
I
S Receive data
79
[
]
GPIO3
2
I/O
General purpose digital input/output pin
80
GPIO3
[
3
]
I/O
81
U0_RXD
I
Receiver input for USART0
82
GPIO3
[
4
]
I/O
83
GPIO0
[
5
]
I/O
84
GPIO5
[
2
]
I/O
General purpose digital input/output pin
85
GPIO5
[
15
]
I/O
86
[
]
GPIO5
16
I/O
87
2
I2C1_SDA
I/O
I
C1 data input/output
88
2
I2C1_SCL
I/O
I
C1 clock input/output
89
N.C.
-
Not connected
90
N.C.
-
91
GPIO5
[
5
]
I/O
General purpose digital input/output pin
92
I2C0_SCL
I/O
I
2
C clock input/output
93
I2C0_SDA
I/O
I
2
C data input/output
94
VDDREG
-
Main regulator power supply +3.3 V
95
GPIO5
[
6
]
I/O
96
[
]
GPIO0
7
I/O
General purpose digital input/output pin
97
[
]
GPIO3
5
I/O
98
[
]
BOOT
2
-
Boot pin
99
2
I2S0_TX_MCLK
O
I
S transmit master clock
100
GPIO3
[
6
]
I/O
General purpose digital input/output pin
101
GPIO3
[
7
]
I/O
102
BOOT
[
3
]
I/O
Boot pin
103
GPIO2
[
8
]
I/O
104
GPIO0
[
14
]
I/O
General purpose digital input/output pin
105
GPIO1
[
11
]
I/O
106
[
]
GPIO1
12
I/O
107
VDDIO
-
I/O power supply +3.3 V
108
[
]
GPIO1
13
I/O
General purpose digital input/output pin
109
VSSIO
-
Ground
110
GPIO3
[
8
]
I/O
General purpose digital input/output pin
111
VDDIO
-
I/O power supply +3.3 V
112
I2S0_TX_SCK
I/O
Transmit Clock
113
GPIO3
[
9
]
I/O
General purpose digital input/output pin
114
I2S0_TX_WS
I/O
Transmit Word Select
115
GPIO3
[
10
]
General purpose digital input/output pin
I/O
116
2
I2S0_TX_SDA
I/O
I
S transmit data
117
[
]
GPIO3
11
I/O
General purpose digital input/output pin
118
SPIFI_SCK
O
Serial clock for SPIFI
119
SPIFI_SIO3
I/O
I/O lane 3 for SPIFI
120
TRACECLK
O
Trace clock
121
SPIFI_SIO2
I/O
I/O lane 2 for SPIFI
122
SPIFI_MISO
I/O
Input 1 in SPIFI quad mode; SPIFI output IO1
123
SPIFI_MOSI
I/O
Input 0 in SPIFI quad mode; SPIFI output IO0
124
SPIFI_CS
I/O
SPIFI serial flash chip select
125
RTCX1
I
Input to the RTC 32 kHz ultra-low power oscillator circuit
126
RTCX2
O
Output from the RTC 32 kHz ultra-low power oscillator circuit
127
VBAT
-
RTC power supply: 3.3 V on this pin supplies power to the RTC
128
RESET
I
External reset input
129
RTC_ALARM
O
RTC controlled output
130
WAKEUP0
I
External wake-up input
131
VDDREG
-
Main regulator power supply +3.3 V
132
TRACEDATA
[
0
]
O
Trace data, bit 0
133
TRACEDATA
[
1
]
O
Trace data, bit 1
134
TRACEDATA
[
2
]
Trace data, bit 2
O
135
VSSA
-
Analog ground
136
ADC0_7
I
ADC input channel 7
137
VDDA
-
Analog power supply +3.3 V and ADC reference voltage
138
ADC0_4
I
ADC input channel 4
139
ADC0_3
I
ADC input channel 3
140
TRACEDATA
[
3
]
O
Trace data, bit 3
141
VDDIO
-
I/O power supply +3.3 V
142
ADC0_6
I
ADC input channel 6
143
ADC0_2
I
ADC input channel 2
144
ADC0_5
ADC input channel 5
I
PX10/PX8/PX5/PX3
FPN (PN) : IC103
FUNCTION
19
Hide quick links:
Advertisement
Chapters
