參數(shù)資料
型號: LPC2387FBD100
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)學(xué)處理器
英文描述: Single-chip 16-bit-32-bit MCU; 512 kB flash with ISP-IAP, Ethernet, USB 2.0 device-host-OTG, CAN, and 10-bit ADC-DAC
封裝: LPC2387FBD100<SOT407-1 (LQFP100)|<<http://www.nxp.com/packages/SOT407-1.html<1<Always Pb-free,;
文件頁數(shù): 53/64頁
文件大?。?/td> 447K
代理商: LPC2387FBD100
LPC2387
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 4 — 10 February 2011
53 of 64
NXP Semiconductors
LPC2387
Single-chip 16-bit/32-bit MCU
14.2 Crystal oscillator XTAL input and component selection
The input voltage to the on-chip oscillators is limited to 1.8 V. If the oscillator is driven by a
clock in slave mode, it is recommended that the input be coupled through a capacitor with
C
i
= 100 pF. To limit the input voltage to the specified range, choose an additional
capacitor to ground C
g
which attenuates the input voltage by a factor C
i
/ (C
i
+ C
g
). In
slave mode, a minimum of 200 mV (RMS) is needed.
Fig 20. LPC2387 USB host port configuration
USB_UP_LED
USB_D+
USB_D
USB_PWRD1
15 k
Ω
15 k
Ω
LPC2387
USB-A
connector
33
Ω
33
Ω
002aae168
V
DD
USB_OVRCR1
USB_PPWR1
LM3526-L
ENA
IN
5 V
FLAGA
OUTA
V
DD
D+
D
V
BUS
V
SS
Fig 21. LPC2387 USB device port configuration
LPC2387
USB-B
connector
33
Ω
33
Ω
002aae169
USB_UP_LED
USB_CONNECT
V
DD
V
DD
D+
D
USB_D+
USB_D
V
BUS
V
BUS
V
SS
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