C8051F310 datasheet(137/228 Pages) SILABS

137 / 228 page

Rev. 1.7

137

C8051F310/1/2/3/4/5/6/7

SFR Definition 13.5. P0MDOUT: Port0 Output Mode

SFR Definition 13.6. P0SKIP: Port0 Skip

Bits7–0: Output Configuration Bits for P0.7–P0.0 (respectively): ignored if corresponding bit in regis-

ter P0MDIN is logic 0.

0: Corresponding P0.n Output is open-drain.

1: Corresponding P0.n Output is push-pull.

Note:

When SDA and SCL appear on any of the Port I/O, each are open-drain regardless of the value of

P0MDOUT.

R/W

Reset Value

00000000

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

0xA4

Bits7–0: P0SKIP[7:0]: Port0 Crossbar Skip Enable Bits.

These bits select Port pins to be skipped by the Crossbar Decoder. Port pins used as ana-

log inputs (for ADC or Comparator) or used as special functions (VREF input, external oscil-

lator circuit, CNVSTR input) should be skipped by the Crossbar.

0: Corresponding P0.n pin is not skipped by the Crossbar.

1: Corresponding P0.n pin is skipped by the Crossbar.

R/W

Reset Value

00000000

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

0xD4

C8051F310 Datasheet(PDF) 137 Page - Silicon Laboratories

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