參數(shù)資料
型號(hào): LPC11U14FET48/201,
廠商: NXP Semiconductors
文件頁(yè)數(shù): 41/72頁(yè)
文件大?。?/td> 0K
描述: IC MCU 32BIT 32K 48TFBGA
產(chǎn)品培訓(xùn)模塊: Code Density for LPC11xx
標(biāo)準(zhǔn)包裝: 490
系列: LPC11Uxx
核心處理器: ARM? Cortex?-M0
芯體尺寸: 32-位
速度: 50MHz
連通性: I²C,Microwire,智能卡,SPI,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): 40
程序存儲(chǔ)器容量: 32KB(32K x 8)
程序存儲(chǔ)器類(lèi)型: 閃存
RAM 容量: 6K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TFBGA
包裝: 托盤(pán)
其它名稱: 568-8578
LPC11U1X
All information provided in this document is subject to legal disclaimers.
NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 2.2 — 11 March 2014
46 of 72
NXP Semiconductors
LPC11U1x
32-bit ARM Cortex-M0 microcontroller
10.3 Internal oscillators
[1]
Parameters are valid over operating temperature range unless otherwise specified.
[2]
Typical ratings are not guaranteed. The values listed are at room temperature (25
C), nominal supply
voltages.
[1]
Typical ratings are not guaranteed. The values listed are at nominal supply voltages.
[2]
The typical frequency spread over processing and temperature (Tamb = 40 C to +85 C) is 40 %.
[3]
See the LPC11U1x user manual.
Table 12.
Dynamic characteristics: IRC
Tamb = 40 C to +85 C; 2.7 V VDD 3.6 V[1].
Symbol
Parameter
Conditions
Min
Max
Unit
fosc(RC)
internal RC oscillator
frequency
-
11.88
12
12.12
MHz
Conditions: Frequency values are typical values. 12 MHz
1 % accuracy is guaranteed for
2.7 V
V
DD 3.6 V and Tamb = 40 C to +85 C. Variations between parts may cause the IRC to
fall outside the 12 MHz
1 % accuracy specification for voltages below 2.7 V.
Fig 21. Internal RC oscillator frequency versus temperature
Table 13.
Dynamic characteristics: Watchdog oscillator
Symbol
Parameter
Conditions
Min
Typ[1] Max Unit
fosc(int)
internal oscillator
frequency
DIVSEL = 0x1F, FREQSEL = 0x1
in the WDTOSCCTRL register;
-
kHz
DIVSEL = 0x00, FREQSEL = 0xF
in the WDTOSCCTRL register
1700
-
kHz
002aaf403
11.95
12.05
12.15
f
(MHz)
11.85
temperature (
°C)
40
85
35
10
60
15
VDD = 3.6 V
3.3 V
3.0 V
2.7 V
2.4 V
2.0 V
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