参数资料
型号: OM13032,598
厂商: NXP Semiconductors
文件页数: 40/74页
文件大小: 0K
描述: BOARD EVAL LPC11U24
标准包装: 1
类型: MCU
适用于相关产品: LPC11U24
所含物品:
其它名称: 568-8599
LPC11U2X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 2.2 — 11 March 2014
45 of 74
NXP Semiconductors
LPC11U2x
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.
Fig 21. External clock timing (with an amplitude of at least Vi(RMS) = 200 mV)
tCHCL
tCLCX
tCHCX
Tcy(clk)
tCLCH
002aaa907
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 22. 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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