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LPC3240 Datasheet(PDF) 20 Page - NXP Semiconductors

Part # LPC3240
Description  16/32-bit ARM microcontrollers; hardware floating-point coprocessor, USB On-The-Go, and EMC memory interface
PDF  73 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

LPC3240 Datasheet(HTML) 20 Page - NXP Semiconductors

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LPC3220_30_40_50_1
© NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 01 — 6 February 2009
20 of 73
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
[1]
The PWM2_CTRL register controls this pin function (see
LPC32x0 User manual).
[1]
See
LPC32x0 User manual for details.
VSS_IOB
F6
-
power
Ground for 1.8 V or 3.3 V I/O for GPI_6, GPO_4,
GPO_11, I2C1
VSS_IOC
F5,
G5,
H5
-
power
Ground IOC domain
VSS_IOD
F10,
F11,
F12,
H12
-
power
Ground IOD domain
VSS_OSC
P14
-
power
Ground for main oscillator
VSS_PLL397
T15
-
power
Ground for 397x PLL
VSS_PLLHCLK
R18
-
power
Ground for HCLK PLL
VSS_PLLUSB
R16
-
power
Ground for USB PLL
VSS_RTCCORE
L14
-
power
Ground for RTC
VSS_RTCOSC
P18
-
power
Ground for RTC oscillator
Table 4.
Pin description …continued
Symbol
Pin
Power supply
domain
Type
Description
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 level
driven on an I/O pin when it is switched from output to input.
PU: pin has a nominal 50
µA internal pull-up connected.
PD: pin has a nominal 50
µA internal pull-down connected.
P: pin has programmable input characteristics.



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