參數(shù)資料
型號(hào)： LPC11U12FBD48
廠商： NXP Semiconductors N.V.
元件分類： 32位微控制器
英文描述： 32-bit ARM Cortex-M0 microcontroller; up to 16 kB flash; 6 kB SRAM; USB device; USART; 2 SSPs
中文描述： 32位ARM的Cortex-M0微控制器；最大16kB閃存；6kB 靜態(tài)隨機(jī)存儲(chǔ)器；USB驅(qū)動(dòng)；通用同步/異步串行接收/發(fā)送器；2個(gè)同步串行接口控制器
封裝： LPC11U12FBD48/201<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;
文件頁(yè)數(shù)： 47/64頁(yè)
文件大小： 898K
代理商： LPC11U12FBD48
LPC11U1X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Objective data sheet
Rev. 1 — 11 April 2011
47 of 64
NXP Semiconductors
LPC11U1x
32-bit ARM Cortex-M0 microcontroller
[8]
The maximum t
HD;DAT
could be 3.45
μ
s and 0.9
μ
s for Standard-mode and Fast-mode but must be less than the maximum of t
VD;DAT
or
t
VD;ACK
by a transition time (see
UM10204
). This maximum must only be met if the device does not stretch the LOW period (t
LOW
) of the
SCL signal. If the clock stretches the SCL, the data must be valid by the set-up time before it releases the clock.
[9]
tSU;DAT is the data set-up time that is measured with respect to the rising edge of SCL; applies to data in transmission and the
acknowledge.
[10] A Fast-mode I
2
C-bus device can be used in a Standard-mode I
2
C-bus system but the requirement t
SU;DAT
= 250 ns must then be met.
This will automatically be the case if the device does not stretch the LOW period of the SCL signal. If such a device does stretch the
LOW period of the SCL signal, it must output the next data bit to the SDA line t
r(max)
+ t
SU;DAT
= 1000 + 250 = 1250 ns (according to the
Standard-mode I
2
C-bus specification) before the SCL line is released. Also the acknowledge timing must meet this set-up time.
Fig 22. I
2
C-bus pins clock timing
002aaf425
t
f
70 %
30 %
SDA
t
f
70 %
30 %
S
70 %
30 %
70 %
30 %
t
HD;DAT
SCL
1 / f
SCL
70 %
30 %
70 %
30 %
t
VD;DAT
t
HIGH
t
LOW
t
SU;DAT
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LPC11U12FBD48.201 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash; 6 kB SRAM; USB device; USART
LPC11U12FBD48/201 制造商:NXP Semiconductors 功能描述:MCU 32BIT 16K FLASH 48LQFP
LPC11U12FBD48/201, 功能描述:ARM微控制器 - MCU 32-bit ARM Cortex-M0 MCU RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
LPC11U12FHN201 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash; 6 kB SRAM; USB device; USART
LPC11U12FHN33 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-cost Cortex-M0 USB solutions with Smart Card interface
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