參數(shù)資料
型號(hào): LPC1346FHN33,551
廠(chǎng)商: NXP Semiconductors
文件頁(yè)數(shù): 58/77頁(yè)
文件大小: 0K
描述: MCU 32BIT ARM 48KB FLASH 32HVQFN
標(biāo)準(zhǔn)包裝: 260
系列: LPC13xx
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 72MHz
連通性: I²C,Microwire,SPI,SSI,SSP,UART/USART,USB
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,WDT
輸入/輸出數(shù): 26
程序存儲(chǔ)器容量: 48KB(48K x 8)
程序存儲(chǔ)器類(lèi)型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 10K x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-VQFN 裸露焊盤(pán)
包裝: 托盤(pán)
LPC1315_16_17_45_46_47
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 3 — 20 September 2012
61 of 77
NXP Semiconductors
LPC1315/16/17/45/46/47
32-bit ARM Cortex-M3 microcontroller
12. Application information
12.1 Suggested USB interface solutions
12.2 XTAL input
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
Ci = 100 pF. To limit the input voltage to the specified range, choose an additional
capacitor to ground Cg which attenuates the input voltage by a factor Ci/(Ci + Cg). In slave
mode, a minimum of 200 mV(RMS) is needed.
Fig 28. USB interface on a self-powered device
LPC1345/46/47
USB-B
connector
USB_DP
USB_CONNECT
soft-connect switch
USB_DM
USB_VBUS
VSS
VDD
R1
1.5 kΩ
RS = 33 Ω
002aag564
RS = 33 Ω
Fig 29. USB interface on a bus-powered device
LPC1345/46/47
VDD
R1
1.5 kΩ
002aag565
USB-B
connector
USB_DP
USB_DM
USB_VBUS
VSS
RS = 33 Ω
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