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@ -279,8 +279,8 @@ SLE PB8
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SREAD PB7
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SREAD PB7
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SDATA PB6
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SDATA PB6
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SCLK PB5
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SCLK PB5
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DATA PB4 (TxRxData)
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DATA PB4 (TxRxData)*
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DCLK PB3 (TxRxCLK)
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DCLK PB3 (TxRxCLK)*
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CLKOUT PA15 (jumper wire in RF7021SE)
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CLKOUT PA15 (jumper wire in RF7021SE)
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PAC PB14 (PTT LED)
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PAC PB14 (PTT LED)
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VCC 3.3 V
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VCC 3.3 V
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@ -288,8 +288,8 @@ GND Ground
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- Second RF7021SE board (duplex mode, experimental):
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- Second RF7021SE board (duplex mode, experimental):
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SLE PA6
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SLE PA6
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DATA PA4
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DATA PA4 (TxRxData)*
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DCLK PA5
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DCLK PA5 (TxRxCLK)*
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PAC NC
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PAC NC
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CLKOUT NC
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CLKOUT NC
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VCC 3.3 V
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VCC 3.3 V
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@ -314,3 +314,6 @@ DSTAR_LED PB12
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- Misc pins:
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- Misc pins:
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PIN_LED PC13 (status led)
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PIN_LED PC13 (status led)
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PIN_DEB PB9 (debugging pin)
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PIN_DEB PB9 (debugging pin)
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* You could install a serie resistor (10 - 100 ohms) in each TxRxData and TxRxCLK lines, for
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reducing EMI.
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Andy CA6JAU
9 years ago