参数资料
型号: LPC1227FBD48/301,1
厂商: NXP Semiconductors
文件页数: 42/61页
文件大小: 0K
描述: MCU 32BIT 128K 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: 128KB(128K 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: 568-5163
LPC1227FBD48/301
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
47 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
11.4 Internal oscillators
[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.
[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 (Tamb = 40 C to +85 C) is 40 %.
[3]
See the LPC122x user manual.
Table 14.
Dynamic characteristic: internal oscillators
Tamb = 40 C to +85 C; VDD(3V3) over specified ranges.[1]
Symbol
Parameter
Conditions
Min
Max
Unit
fosc(RC)
internal RC oscillator frequency
-
11.88
12
12.12
MHz
Fig 22. Internal RC oscillator frequency versus temperature
Table 15.
Dynamic characteristics: Watchdog oscillator
Symbol Parameter
Conditions
Min
Typ[1]
Max
Unit
fosc(int)
internal oscillator
frequency
DIVSEL = 0x1F, FREQSEL = 0x1
in the WDTOSCCTRL register;
-
kHz
DIVSEL = 0x00, FREQSEL = 0xF
in the WDTOSCCTRL register
1700
-
kHz
002aag020
11.95
12.05
12.15
fosc(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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