LPC1767 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

LPC1767

32-bit ARM Cortex-M3 microcontroller; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG, CAN

Philips Electronics 

NXP Semiconductors

LPC1769/68/67/66/65/64

32-bit ARM Cortex-M3 microcontroller

11.8 USB interface (LPC1769/68/66/65/64 only)

Table 14. Dynamic characteristics: USB pins (full-speed)

CL = 50 pF; Rpu = 1.5 kΩ on D+ to VDD(3V3), unless otherwise specified.

Symbol

Parameter

Conditions

tr

tf

tFRFM

rise time

fall time

differential rise and fall time

matching

10 % to 90 %

10 % to 90 %

tr / tf

VCRS

tFEOPT

tFDEOP

output signal crossover voltage

source SE0 interval of EOP

source jitter for differential transition

to SE0 transition

see Figure 16

see Figure 16

tJR1

tJR2

tEOPR1

receiver jitter to next transition

receiver jitter for paired transitions

EOP width at receiver

10 % to 90 %

must reject as

EOP; see

Figure 16

tEOPR2

EOP width at receiver

must accept as

EOP; see

Figure 16

Min

8.5

7.7

-

1.3

160

−2

−18.5

−9

[1] 40

[1] 82

[1] Characterized but not implemented as production test. Guaranteed by design.

Typ

Max

Unit

-

13.8

ns

-

13.7

ns

-

109

%

-

2.0

V

-

175

ns

-

+5

ns

-

+18.5 ns

-

+9

ns

-

-

ns

-

-

ns

TPERIOD

differential

data lines

crossover point

crossover point

extended

differential data to

SE0/EOP skew

n × TPERIOD + tFDEOP

Fig 16. Differential data-to-EOP transition skew and EOP width

source EOP width: tFEOPT

receiver EOP width: tEOPR1, tEOPR2

002aab561

LPC1769_68_67_66_65_64_4

Product data sheet

Rev. 04 — 1 February 2010

© NXP B.V. 2010. All rights reserved.

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