PIC32MX250F128C-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC32MX250F128C-I/SO

32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

Microchip Technology 

PIC32MX1XX/2XX

TABLE 29-37: PARALLEL MASTER PORT WRITE TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 2.3V to 3.6V

(unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +85°C for Industrial

-40°C ≤ TA ≤ +105°C for V-temp

Param.

No.

Symbol

Characteristics(1)

Min. Typ. Max. Units

Conditions

PM11 TWR

PMWR Pulse Width

—

1 TPB

—

—

—

PM12 TDVSU Data Out Valid before PMWR or

—

2 TPB

—

—

—

PMENB goes Inactive (data setup

time)

PM13 TDVHOLD PMWR or PMEMB Invalid to Data

—

1 TPB

—

—

—

Out Invalid (data hold time)

Note 1: These parameters are characterized, but not tested in manufacturing.

TABLE 29-38: OTG ELECTRICAL SPECIFICATIONS

AC CHARACTERISTICS

Standard Operating Conditions: 2.3V to 3.6V

(unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +85°C for Industrial

-40°C ≤ TA ≤ +105°C for V-temp

Param.

No.

Symbol

Characteristics(1)

Min. Typical Max. Units

Conditions

USB313 VUSB USB Voltage

3.0

—

3.6

USB315 VILUSB Input Low Voltage for USB Buffer

—

—

0.8

USB316 VIHUSB Input High Voltage for USB Buffer

2.0

—

—

USB318 VDIFS Differential Input Sensitivity

—

—

0.2

USB319 VCM Differential Common Mode Range 0.8

—

2.5

USB320 ZOUT Driver Output Impedance

28.0

—

44.0

USB321 VOL

Voltage Output Low

0.0

—

0.3

USB322 VOH Voltage Output High

2.8

—

3.6

Note 1: These parameters are characterized, but not tested in manufacturing.

V Voltage on VUSB must

be in this range for

proper USB operation

V

—

V

—

V The difference

between D+ and D-

must exceed this value

while VCM is met

V

—

Ω

—

V 14.25 kΩ load

connected to 3.6V

V 14.25 kΩ load

connected to ground

DS61168C-page 282

Preliminary

© 2011 Microchip Technology Inc.

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