參數(shù)資料
型號: LPC2138FHN64
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)學(xué)處理器
英文描述: Single-chip 16-32-bit microcontrollers; 32-64-128-256-512 kB ISP-IAP flash with 10-bit ADC and DAC
封裝: LPC2131FBD64/01<SOT314-2 (LQFP64)|<<http://www.nxp.com/packages/SOT314-2.html<1<Always Pb-free,;LPC2131FBD64/01<SOT314-2 (LQFP64)|<<http://www.nxp.com/packages/SOT314-2.h
文件頁數(shù): 37/45頁
文件大?。?/td> 381K
代理商: LPC2138FHN64
LPC2131_32_34_36_38
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5.1 — 29 July 2011
37 of 45
NXP Semiconductors
LPC2131/32/34/36/38
Single-chip 16/32-bit microcontrollers
Table 10.
Table 11.
Fig 14. Oscillator modes and models: oscillation mode of operation and external crystal
model used for C
X1
/C
X2
evaluation
Recommended values for C
X1
/C
X2
in oscillation mode (crystal and external
components parameters): low frequency mode
Fundamental oscillation
frequency F
OSC
capacitance C
L
1 MHz to 5 MHz
10 pF
20 pF
30 pF
5 MHz to 10 MHz
10 pF
20 pF
30 pF
10 MHz to 15 MHz
10 pF
20 pF
15 MHz to 20 MHz
10 pF
Crystal load
Maximum crystal
series resistance R
S
< 300
< 300
< 300
< 300
< 200
< 100
< 160
< 60
< 80
External load
capacitors C
X1
/C
X2
18 pF, 18 pF
39 pF, 39 pF
57 pF, 57 pF
18 pF, 18 pF
39 pF, 39 pF
57 pF, 57 pF
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
Recommended values for C
X1
/C
X2
in oscillation mode (crystal and external
components parameters): high frequency mode
Fundamental oscillation
frequency F
OSC
capacitance C
L
15 MHz to 20 MHz
10 pF
20 pF
20 MHz to 25 MHz
10 pF
20 pF
Crystal load
Maximum crystal
series resistance R
S
< 180
< 100
< 160
< 80
External load
capacitors C
X1
,
CX2
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
39 pF, 39 pF
002aag469
LPC2xxx
XTAL1
XTAL2
CX2
CX1
XTAL
=
CL
CP
RS
L
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