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Picoblade version
P3
Denotes pin 1 on each connector
Connector P1 - Ultilities
Pin
Signal
Comments
1
PWROFF#
Apply logic low to power down the unit
2
0 volts
3
RESET#
Apply logic low to reset the unit
4
0 volts
5
I2C SCL
I2C Clock at a 3 volts level
6
I2C SDA
I2C Data at a 3 volts level
7
0 volts
8
SLEEP RQ#
Apply logic low to reset the unit
9
0 volts
10
Reserved
11
0 volts
12
BOOT MODE#
13
0 volts
Connector P2 - RS232
Pin
Signal
Comments
1
0 volts
Ground for COM 1 RS232 channel
2
COM 1 RX
RS232 receive channel
3
COM 1 TX
RS232 transmit channel
4
Reserved
5
Reserved
6
Reserved
7
Reserved
8
Reserved
9
Reserved
10
Reserved
11
Reserved
12
Reserved
Beta Touch Computer
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P2 P1
P5 P4
Denotes pin 1 on each connector
Comments
Apply logic low to power down the unit
Apply logic low to reset the unit
I2C Clock at a 3 volts level
I2C Data at a 3 volts level
Apply logic low to reset the unit
Comments
Ground for COM 1 RS232 channel
RS232 receive channel – console for Linux & Android
RS232 transmit channel – console for Linux & Android
Beta Touch Computer
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