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Signal/Connection Descriptions
3.11 Dedicated GPIO Interface
Table 11. Dedicated GPIO Signals
Signal
Name
PF0
Type
Input,
output, or
disconnected
State During
Reset
GPIO
disconnected
Signal Description
Port F0 —this signal is individually programmable as input, output,
or internally disconnected. The default state after reset is GPIO
disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
PF1
Input,
output, or
disconnected
GPIO
disconnected
Port F1 — this signal is individually programmable as input, output,
or internally disconnected. The default state after reset is GPIO
disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
PF2
Input,
output, or
disconnected
GPIO
disconnected
Port F2 — this signal is individually programmable as input, output,
or internally disconnected. The default state after reset is GPIO
disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
PF3
Input,
output, or
disconnected
GPIO
disconnected
Port F3 —this signal is individually programmable as input, output,
or internally disconnected. The default state after reset is GPIO
disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
PF4
Input,
output, or
disconnected
GPIO
disconnected
Port F4 — this signal is individually programmable as input, output,
or internally disconnected. The default state after reset is GPIO
disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
PF5
Input,
output, or
disconnected
GPIO
disconnected
Port F5 —this signal is individually programmable as input, output,
or internally disconnected. The default state after reset is GPIO
disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
PF6
Input,
output, or
disconnected
GPIO
disconnected
Port F6 —this signal is individually programmable as input, output,
or internally disconnected. The default state after reset is GPIO
disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
DSP56371 Data Sheet, Rev. 4.1
30
Freescale Semiconductor
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