OM13001,598 NXP Semiconductors, OM13001,598 Datasheet - Page 93

• Manufacturer Part Number: OM13001,598
• Description: EA LPC177X/8X EVAL BOARD
• Manufacturer: NXP Semiconductors
• Series: -r
• Type: MCUr

Specifications of OM13001,598

• Contents: Board, Cable, Headphones, Registration Card
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: LPC1788
• Other names: 568-6707

NXP Semiconductors
LPC178X_7X
Objective data sheet
Fig 27. Differential data-to-EOP transition skew and EOP width
t
PERIOD
differential
data lines
11.10 Ethernet
Remark: The Ethernet block is available on parts LPC1788/86 and LPC1778/76.
Table 26.
T
[1]
[2]
Symbol Parameter
RMII mode
f
d
t
t
MII mode
f
d
t
t
f
d
t
t
clk
su
h
clk
su
h
clk
su
h
amb
clk
clk
clk
Output drivers can drive a load  25 pF accommodating over 12 inch of PCB trace and the input
capacitance of the receiving device.
Timing values are given from the point at which the clock signal waveform crosses 1.4 V to the valid input or
output level.
=

40
n × t
differential data to
clock frequency
clock duty cycle
set-up time
hold time
clock frequency
clock duty cycle
set-up time
hold time
clock frequency
clock duty cycle
set-up time
hold time
crossover point

SE0/EOP skew
Dynamic characteristics: Ethernet
C to 85
PERIOD
All information provided in this document is subject to legal disclaimers.
+ t

FDEOP
C, V
DD(REG)(3V3)
Rev. 2 — 27 May 2011
Conditions
for ENET_RX_CLK
for ENET_TXDn, ENET_TX_EN,
ENET_RXDn, ENET_RX_ER,
ENET_RX_DV
for ENET_TXDn, ENET_TX_EN,
ENET_RXDn, ENET_RX_ER,
ENET_RX_DV
for ENET_TX_CLK
for ENET_TXDn, ENET_TX_EN,
ENET_TX_ER
for ENET_TXDn, ENET_TX_EN,
ENET_TX_ER
for ENET_RX_CLK
for ENET_RXDn, ENET_RX_ER,
ENET_RX_DV
for ENET_RXDn, ENET_RX_ER,
ENET_RX_DV
= 3.0 V to 3.6 V. Values guaranteed by design.
crossover point
extended
32-bit ARM Cortex-M3 microcontroller
source EOP width: t
receiver EOP width: t
[1]
[1]
[1][2]
[1][2]
[1]
[1]
[1][2]
[1][2]
[1]
[1]
[1][2]
[1][2]
LPC178x/7x
Min
-
50
4
2
-
50
4
2
-
50
4
2
© NXP B.V. 2011. All rights reserved.
FEOPT
002aab561
EOPR1
Max
50
50
-
-
25
50
-
-
25
50
-
-
, t
EOPR2
93 of 117
Unit
MHz
%
ns
ns
MHz
%
ns
ns
MHz
%
ns
ns