參數(shù)資料
型號(hào): LPC12D27FBD100/301
廠商: NXP Semiconductors
文件頁(yè)數(shù): 10/46頁(yè)
文件大?。?/td> 0K
描述: MCU 32BIT ARM CORTEX-M0 100-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: LPC1200
核心處理器: ARM? Cortex?-M0
芯體尺寸: 32-位
速度: 45MHz
連通性: I²C,IrDA,SPI,SSP,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 40
程序存儲(chǔ)器容量: 128KB(128K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 3 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: 100-LQFP
包裝: 托盤
其它名稱: 568-8372
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
18 of 46
NXP Semiconductors
LPC12D27
32-bit ARM Cortex-M0 microcontroller
9.
Thermal characteristics
9.1 Thermal characteristics
The average chip junction temperature, Tj (C), can be calculated using the following
equation:
(1)
Tamb = ambient temperature (C),
Rth(j-a) = the package junction-to-ambient thermal resistance (C/W)
PD = sum of internal and I/O power dissipation
The internal power dissipation is the product of IDD and VDD. The I/O power dissipation of
the I/O pins is often small and many times can be negligible. However it can be significant
in some applications.
T
j
T
amb
P
D
R
th j
a
+
=
Table 6.
Thermal characteristics
VDD = 3.0 V to 3.6 V; Tamb = 40 C to +85 C unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Rth(j-a)
thermal resistance from
junction to ambient
JEDEC test board; no
air flow
LQFP64 package
-61
-
C/W
LQFP48 package
86
-
C/W
Rth(j-c)
thermal resistance from
junction to case
JEDEC test board
LQFP64 package
-19
-
C/W
LQFP48 package
36
-
C/W
Tj(max)
maximum junction
temperature
--150
C
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