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 29-35: PARALLEL SLAVE PORT 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

Para

m.No.

Symbol

Characteristics(1)

Min.

Typ. Max. Units

Conditions

PS1 TdtV2wr Data In Valid before WR or CS

20

—

—

ns

—

H

Inactive (setup time)

PS2 TwrH2dt WR or CS Inactive to Data-In

40

—

—

ns

—

I

Invalid (hold time)

PS3 TrdL2dt RD and CS Active to Data-Out

—

—

60

ns

—

V

Valid

PS4 TrdH2dtI RD Active or CS Inactive to

0

—

10

ns

—

Data-Out Invalid

PS5 Tcs

CS Active Time

TPB + 40 —

—

ns

—

PS6 TWR WR Active Time

TPB + 25 —

—

ns

—

PS7 TRD

RD Active Time

TPB + 25 —

—

ns

—

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

FIGURE 29-21: PARALLEL MASTER PORT READ TIMING DIAGRAM

TPB

PB Clock

PMA<13:18>

PMD<7:0>

PMRD

PMWR

PMALL/PMALH

TPB

TPB

TPB

TPB

TPB

TPB

TPB

Address

AAddrderses<s7<:70:>0>

PM2

PM3

PM1

PM6

DDaatata

PM7

PM5

PM4

PMCS<2:1>

DS61168C-page 280

Preliminary

© 2011 Microchip Technology Inc.

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