参数资料
型号: LPC1225FBD48/321,1
厂商: NXP Semiconductors
文件页数: 40/61页
文件大小: 0K
描述: MCU 32BIT 80K FLASH 8K 48-LQFP
产品培训模块: LPC1200 Series for Industrial Control
特色产品: LPC122x Cortex-M0 Microcontrollers
标准包装: 250
系列: LPC1200
核心处理器: ARM? Cortex?-M0
芯体尺寸: 32-位
速度: 45MHz
连通性: I²C,IrDA,Microwire,SPI,SSI,SSP,UART/USART
外围设备: 欠压检测/复位,DMA,POR,WDT
输入/输出数: 39
程序存储器容量: 80KB(80K x 8)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 48-LQFP
包装: 托盘
其它名称: 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
45 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
11. Dynamic characteristics
11.1 Power-up ramp conditions
[1]
[2]
The wait time specifies the time the power supply must be at levels below 400 mV before ramping up.
Table 11.
Power-up characteristics
Tamb = 40 C to +85 C.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
tr
rise time
at t = t1: 0 < VI 400 mV
500
ms
twait
wait time
-
s
VI
input voltage
at t = t1 on pin VDD
0
-
400
mV
Condition: 0 < VI 400 mV at start of power-up (t = t1)
Fig 20. Power-up ramp
VDD
0
400 mV
tr
twait
t = t1
002aag001
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