參數(shù)資料
型號(hào): LPC12D27FBD100
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)學(xué)處理器
英文描述: 32-bit ARM Cortex-M0 microcontroller; 128 kB flash and 8 kB SRAM; 4 x 40 segment LCD driver
中文描述: 32位ARM Cortex-M0的微控制器,128KB閃存和8 KB靜態(tài)隨機(jī)存儲(chǔ)器;4×40段LCD驅(qū)動(dòng)器
封裝: LPC12D27FBD100/301<SOT407-1 (LQFP100)|<<http://www.nxp.com/packages/SOT407-1.html<1<Always Pb-free,;
文件頁(yè)數(shù): 35/46頁(yè)
文件大小: 371K
代理商: LPC12D27FBD100
LPC12D27
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 20 September 2011
35 of 46
NXP Semiconductors
LPC12D27
32-bit ARM Cortex-M0 microcontroller
11.4 Internal oscillators
Table 14.
T
amb
=
40
C to +85
C; V
DD(3V3)
over specified ranges.
[1]
Symbol
Parameter
f
osc(RC)
internal RC oscillator frequency
[1]
Parameters are valid over operating temperature range unless otherwise specified.
[2]
Typical ratings are not guaranteed. The values listed are at nominal supply voltages.
Table 15.
Symbol Parameter
f
osc(int)
internal oscillator
frequency
[1]
Typical ratings are not guaranteed. The values listed are at room temperature (25
C), nominal supply
voltages.
[2]
The typical frequency spread over processing and temperature (T
amb
=
40
C to +85
C) is
40 %.
See the
LPC122x user manual
.
[3]
Dynamic characteristics: internal oscillators
Conditions
-
Min
11.88
Typ
[2]
12
Max
12.12
Unit
MHz
Fig 21. Internal RC oscillator frequency versus temperature
Dynamic characteristics: Watchdog oscillator
Conditions
DIVSEL = 0x1F, FREQSEL = 0x1
in the WDTOSCCTRL register;
DIVSEL = 0x00, FREQSEL = 0xF
in the WDTOSCCTRL register
Min
Typ
[1]
7.8
Max
-
Unit
kHz
[2][3]
-
[2][3]
-
1700
-
kHz
002aag020
11.95
12.05
12.15
f
osc(RC)
(MHz)
11.85
temperature (
°
C)
40
85
35
10
60
15
VDD = 3.6 V
3.3 V
3.0 V
12 MHz + 1%
12 MHz
1%
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