參數(shù)資料
型號(hào): LPC1225FBD48/321,1
廠商: NXP Semiconductors
文件頁(yè)數(shù): 28/61頁(yè)
文件大?。?/td> 0K
描述: MCU 32BIT 80K FLASH 8K 48-LQFP
產(chǎn)品培訓(xùn)模塊: LPC1200 Series for Industrial Control
特色產(chǎn)品: LPC122x Cortex-M0 Microcontrollers
標(biāo)準(zhǔn)包裝: 250
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,Microwire,SPI,SSI,SSP,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,DMA,POR,WDT
輸入/輸出數(shù): 39
程序存儲(chǔ)器容量: 80KB(80K x 8)
程序存儲(chǔ)器類(lèi)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: 48-LQFP
包裝: 托盤(pán)
其它名稱(chēng): 568-5158
LPC1225FBD48/321
LPC122X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 26 August 2011
34 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
10.1 Peripheral power consumption
The supply current per peripheral is measured as the difference in supply current between
the peripheral block enabled and the peripheral block disabled in the SYSAHBCLKCFG
and PDRUNCFG (for analog blocks) registers. All other blocks are disabled in both
registers and no code is executed. Measured on a typical sample at Tamb =25 C and
VDD(3V3) = 3.3 V.
10.2 Power consumption
Power measurements in Active, Sleep, and Deep-sleep modes were performed under the
following conditions (see LPC122x user manual):
Active mode: all GPIO pins set to input with external pull-up resistors.
Sleep and Deep-sleep modes: all GPIO pins set to output driving LOW.
Deep power-down mode: all GPIO pins set to input with external pull-up resistors.
Table 8.
Peripheral power consumption
Peripheral
Typical current consumption IDD in mA
Frequency
independent
24 MHz
12 MHz
system
oscillator + PLL
IRC + PLL
system
oscillator
IRC
IRC
0.29
-
PLL (PLL output
frequency = 24 MHz)
1.87
-
WDosc (WDosc output
frequency = 500 kHz)
0.25
-
BOD
0.06
-
Analog comparator 0/1
-
0.05
0.03
0.02
ADC
-
1.86
1.85
1.61
CRC engine
-
0.04
0.02
16-bit timer 0 (CT16B0)
-
0.09
0.04
16-bit timer 1 (CT16B1)
-
0.09
0.04
32-bit timer 0 (CT32B0)
-
0.08
0.04
32-bit timer 1 (CT32B1)
-
0.08
0.04
GPIO0
-
0.34
0.17
GPIO1
-
0.34
0.17
GPIO2
-
0.36
0.37
0.18
I2C
-
0.09
0.05
IOCON
-
0.09
0.10
0.05
RTC
-
0.10
0.05
SSP
-
0.30
0.29
0.15
UART0
-
0.52
0.51
0.26
UART1
-
0.52
0.51
0.26
DMA
-
0.18
0.09
WWDT
-
0.06
0.03
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