參數(shù)資料
型號: LPC3250FET296,551
廠商: NXP Semiconductors
文件頁數(shù): 15/57頁
文件大?。?/td> 0K
描述: IC ARM9 MCU 256K 296-TFBGA
特色產(chǎn)品: LPC32x0 ARM926EJ-S Processor
標準包裝: 126
系列: LPC3200
核心處理器: ARM9
芯體尺寸: 16/32-位
速度: 266MHz
連通性: EBI/EMI,以太網(wǎng),I²C,IrDA,Microwire,SPI,SSI,SSP,UART/USART,USB OTG
外圍設(shè)備: DMA,I²S,LCD,電機控制 PWM,PWM,WDT
輸入/輸出數(shù): 51
程序存儲器類型: ROMless
RAM 容量: 256K x 8
電壓 - 電源 (Vcc/Vdd): 0.9 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 3x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 296-TFBGA
包裝: 托盤
配用: 568-4743-ND - KIT LCD TOUCH 5.7" FOR LPC3250
568-4742-ND - MODULE DIMM LPC2478 ARM7
622-1030-ND - KIT LCD TOUCH 5.7" FOR LPC3250
其它名稱: 568-4533
935287084551
LPC3220_30_40_50
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 20 October 2011
22 of 79
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
[1]
See LPC32x0 User manual for details.
Table 5.
Digital I/O pad types[1]
Parameter
Abbreviation
I/O type
I = input.
O = output.
I/O = bidirectional.
I/O T = bidirectional or high impedance.
Pin detail
BK: pin has a bus keeper function that weakly retains the last logic
level driven on an I/O pin.
Bus keeper current for different I/O pin voltages:
0 V= 1
A (max)
VDD_x = 1
A (max)
2/3
VDD_x = 55 A (max)
1/3
VDD_x = 60 A (max)
PU: pin has a nominal 50
A internal pull-up connected.
PD: pin has a nominal 50
A internal pull-down connected.
P: pin has programmable input characteristics.
Table 6.
Supply domains
Supply domain
Voltage range
Related supply
pins
Description
VDD_CORE
0.9 V to 1.39 V
VDD_CORE
Core power domain.
VDD_COREFXD 1.2 V
VDD_COREFXD
Fixed 1.2 V supply for digital portion of
the analog block.
other core
domains
1.2 V
VDD_PLL397,
VDD_PLLHCLK,
VDD_PLLUSB,
VDD_FUSE,
VDD_OSC
1.2 V supplies, tied to
VDD_COREFXD.
VDD_RTC
0.9 V to 1.39 V
VDD_RTC,
VDD_RTCCORE,
VDD_RTCOSC
RTC supply domain. Can be
connected to a battery backed-up
power source.
VDD_AD
2.7 V to 3.6 V
VDD_AD
3.3 V supply for ADC and touch
screen.
VDD_EMC
1.7 V to 1.95 V
2.3 V to 2.7 V
2.7 V to 3.6 V
VDD_EMC
External memory interface IO pins in
1.8 V range, 2.5 V range, or 3.3 V
range.
VDD_IOA[1]
1.7 V to 1.95 V or
2.7 V to 3.6 V
VDD_IOA
Peripheral supply.
VDD_IOB[1]
1.7 V to 1.95 V or
2.7 V to 3.6 V
VDD_IOB
Peripheral supply.
VDD_IOC[1]
1.7 V to 1.95 V or
2.3 V to 3.6 V
VDD_IOC
Peripheral supply.
VDD_IOD[1]
1.7 V to 1.95 V or
2.7 V to 3.6 V
VDD_IOD
Peripheral supply.
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