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PLEASE NOTE: This article is obsolete or related to a discontinued product.
DAISY-1 pinout
D1 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D1.1
3.3V
Power line 3.3 Volt
D1.2
PB6
TXD1
GPIO
70
38
Serial line
/dev/ttyS2 TXD
D1.3
PB7
RXD1
GPIO
71
39
Serial line
/dev/ttyS2 RXD
D1.4
PB28
RTS1
GPIO
92
60
Serial line
/dev/ttyS2 RTS
D1.5
PB29
CTS1
GPIO
93
61
Serial line
/dev/ttyS2 CTS
D1.6
D1.7
PA23
SCD
GPIO
54
22
I2C Bus Data
D1.8
PA24
SCL
GPIO
55
23
I2C Bus Clock
D1.9
5V
Power line 5 Volt
D1.10
GND
Power line GND
D2 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D2.1
3.3V
Power line 3.3 Volt
D2.2
PA31
GPIO
63
31
General purpose IO
D2.3
PA30
GPIO
62
30
General purpose IO
D2.4
PA29
GPIO
61
29
General purpose IO
D2.5
PA28
GPIO
60
28
General purpose IO
D2.6
PA27
GPIO
59
27
General purpose IO
D2.7
PA26
GPIO
58
26
General purpose IO
D2.8
PA25
GPIO
57
25
General purpose IO
D2.9
PB30
GPIO
94
62
General purpose IO
D2.10
GND
Power line GND
D3 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D3.1
3.3V
Power line 3.3 Volt
D3.2
PB4
TXD0
GPIO
68
36
Serial line
/dev/ttyS1 TXD
D3.3
PB5
RXD0
GPIO
69
37
Serial line
/dev/ttyS1 RXD
D3.4
PB26
RTS0
GPIO
90
58
Serial line
/dev/ttyS1 RTS
D3.5
PB27
CTS0
GPIO
91
59
Serial line
/dev/ttyS1 CTS
D3.6
PB22
GPIO
86
54
General purpose IO
D3.7
PB24
GPIO
88
56
General purpose IO
D3.8
PB25
GPIO
89
57
General purpose IO
D3.9
PB23
GPIO
87
55
General purpose IO
D2.10
GND
Power line GND
D4 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D4.1
3.3V
Power line 3.3 Volt
D4.2
AVDD
Clean 3.3V out for A/D circuitry
D4.3
VREF
A/D voltage reference input
D4.4
AGND
Analog ground
D4.5
PC0
AD0
GPIO
96
64
Analog input 0
D4.6
PC1
AD1
GPIO
97
65
Analog input 1
D4.7
PC2
AD2
GPIO
98
66
Analog input 2
D4.8
PC3
AD3
NPCS3
99
67
Analog input 3 or SPI bus chip select 3
D4.9
5V
Power line 5 Volt
D4.10
GND
Power line GND
D5 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D5.1
3.3V
Power line 3.3 Volt
D5.2
PB12
GPIO
76
44
General purpose IO
D5.3
PB13
GPIO
77
45
General purpose IO
D5.4
PB16
GPIO
80
48
General purpose IO
D5.5
PB17
GPIO
81
49
General purpose IO
D5.6
PB18
GPIO
82
50
General purpose IO
D5.7
PB19
GPIO
83
51
General purpose IO
D5.8
PB20
GPIO
84
52
General purpose IO
D5.9
PB21
GPIO
85
53
General purpose IO
D5.10
GND
Power line GND
D6 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D6.1
3.3V
Power line 3.3 Volt
D6.2
PB10
TXD3
GPIO
74
42
Serial line
/dev/ttyS4 TXD
D6.3
PB11
RXD3
GPIO
75
43
Serial line
/dev/ttyS4 RXD
D6.4
RTS3
GPIO
Serial line
/dev/ttyS4 RTS
D6.5
CTS3
GPIO
Serial line
/dev/ttyS4 CTS
D6.6
PB31
GPIO
95
63
General purpose IO
D6.7
PA23
SCD
GPIO
55
23
I2C Bus Data
D6.8
PA24
SCL
GPIO
56
24
I2C Bus Clock
D6.9
5V
Power line 5 Volt
D6.10
GND
Power line GND
D7 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D7.1
3.3V
Power line 3.3 Volt
D7.2
PB1
MOSI
GPIO
69
37
SPI bus master output/slave input
D7.3
PB0
MISO
GPIO
68
36
SPI bus master input/slave output
D7.4
PB2
CK
GPIO
66
34
SPI bus clock
D7.5
PB3
NPCS0
GPIO
67
35
SPI bus chip select 0
D7.6
NPCS1
GPIO
SPI bus chip select 1
D7.7
NPCS2
GPIO
SPI bus chip select 2
D7.8
NPCS3
GPIO
SPI bus chip select 3
D7.9
5V
Power line 5 Volt
D7.10
GND
Power line GND
D8 connector
Pin #
IC Pin
Default
Alt
ID 2.6x
ID 3.1x
Note
D8.1
3.3V
Power line 3.3 Volt
D8.2
PB8
TXD2
GPIO
74
42
Serial line
/dev/ttyS3 TXD
D8.3
PB9
RXD2
GPIO
73
41
Serial line
/dev/ttyS3 RXD
D8.4
N.C.
D8.5
N.C.
D8.6
N.C.
D6.7
PA23
SCD
GPIO
55
23
I2C Bus Data
D6.8
PA24
SCL
GPIO
56
24
I2C Bus Clock
D8.9
5V
Power line 5 Volt
D8.10
GND
Power line GND