參數(shù)資料
型號： LPC2377FBD144
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Single-chip 16-bit-32-bit microcontrollers; 512 kB flash with ISP-IAP, Ethernet, USB 2.0, CAN, and 10-bit ADC-DAC
中文描述： 32-BIT, FLASH, 25 MHz, RISC MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT486-1, LQFP-144
文件頁數(shù)： 58/68頁
文件大小： 1443K
代理商： LPC2377FBD144
LPC2377_78
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 5 — 17 June 2010
58 of 68
NXP Semiconductors
LPC2377/78
Single-chip 16-bit/32-bit microcontrollers
Table 15.
Table 16.
Fig 22. 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
Ω
< 300
Ω
< 300
Ω
< 300
Ω
< 200
Ω
< 100
Ω
< 160
Ω
< 60
Ω
< 80
Ω
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
Ω
< 100
Ω
< 160
Ω
< 80
Ω
External load
capacitors C
X1
,
CX2
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
39 pF, 39 pF
002aaf494
LPC2xxx
XTALIN
XTALOUT
CX2
CX1
XTAL
=
CL
CP
RS
L
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