C8051F310 datasheet(143/228 Pages) SILABS

143 / 228 page

Rev. 1.7

143

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

SFR Definition 13.17. P3MDOUT: Port3 Output Mode

Table 13.1. Port I/O DC Electrical Characteristics

VDD = 2.7 to 3.6 V, –40 to +85 °C unless otherwise specified

Parameters

Conditions

Min

Typ

Max

Units

Output High Voltage

IOH = –3 mA, Port I/O push-pull

IOH = –10 µA, Port I/O push-pull

IOH = –10 mA, Port I/O push-pull

VDD – 0.7

VDD – 0.1

—

VDD – 0.8

—

Output Low Voltage

IOL = 8.5 mA

IOL = 10 µA

IOL = 25 mA

—

1.0

0.6

0.1

—

Input High Voltage

2.0

—

Input Low Voltage

—

0.8

Input Leakage Current

Weak Pullup Off

Weak Pullup On, VIN = 0 V

—

±1

µA

Bits7–5: UNUSED. Read = 000b; Write - don’t care.

Bits4–0: Output Configuration Bits for P3.4–P3.0 (respectively): ignored if corresponding bit in regis-

ter P3MDIN is logic 0.

0: Corresponding P3.n Output is open-drain.

1: Corresponding P3.n Output is push-pull.

Note:

Only P3.0–P3.4 are associated with Port pins on C8051F310/2/4 devices; Only P3.0 is associated with a

Port pin on C8051F311/3/5/6/7 devices.

R/W

Reset Value

00000000

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

0xA7

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