The LPC1759 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 120 MHz

LPC1759FBD80

Manufacturer Part NumberLPC1759FBD80
DescriptionThe LPC1759 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 120 MHz
ManufacturerNXP Semiconductors
LPC1759FBD80 datasheet
 


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NXP Semiconductors
Table 3.
Pin description
…continued
Symbol
Pin
Type
V
9
I
SSA
V
21, 42,
I
DD(3V3)
56, 77
V
34, 67
I
DD(REG)(3V3)
V
8
I
DDA
VREFP
10
I
VREFN
12
I
[11]
VBAT
16
I
[1]
5 V tolerant pad providing digital I/O functions with TTL levels and hysteresis.
[2]
5 V tolerant pad providing digital I/O functions (with TTL levels and hysteresis) and analog input. When configured as a ADC input,
digital section of the pad is disabled and the pin is not 5 V tolerant.
[3]
5 V tolerant pad providing digital I/O with TTL levels and hysteresis and analog output function. When configured as the DAC output,
digital section of the pad is disabled.
[4]
Pad provides digital I/O and USB functions. It is designed in accordance with the USB specification, revision 2.0 (Full-speed and
Low-speed mode only). This pad is not 5 V tolerant.
[5]
5 V tolerant pad with 5 ns glitch filter providing digital I/O functions with TTL levels and hysteresis.
[6]
5 V tolerant pad with TTL levels and hysteresis. Internal pull-up and pull-down resistors disabled.
[7]
5 V tolerant pad with TTL levels and hysteresis and internal pull-up resistor.
[8]
5 V tolerant pad with 20 ns glitch filter providing digital I/O function with TTL levels and hysteresis.
[9]
Pad provides special analog functionality.
[10] When the system oscillator is not used, connect XTAL1 and XTAL2 as follows: XTAL1 can be left floating or can be grounded (grounding
is preferred to reduce susceptibility to noise). XTAL2 should be left floating.
[11] When the RTC is not used, connect VBAT to V
LPC1759_58_56_54_52_51
Product data sheet
LPC1759/58/56/54/52/51
Description
analog ground: 0 V reference. This should nominally be the same voltage as V
but should be isolated to minimize noise and error.
3.3 V supply voltage: This is the power supply voltage for the I/O ports.
3.3 V voltage regulator supply voltage: This is the supply voltage for the on-chip
voltage regulator only.
analog 3.3 V pad supply voltage: This should be nominally the same voltage as
V
but should be isolated to minimize noise and error. This voltage is used to
DD(3V3)
power the ADC and DAC. This pin should be tied to 3.3 V if the ADC and DAC are
not used.
ADC positive reference voltage: This should be nominally the same voltage as
V
but should be isolated to minimize noise and error. Level on this pin is used
DDA
as a reference for ADC and DAC. This pin should be tied to 3.3 V if the ADC and
DAC are not used.
ADC negative reference voltage: This should be nominally the same voltage as
V
but should be isolated to minimize noise and error. Level on this pin is used as
SS
a reference for ADC and DAC.
RTC pin power supply: 3.3 V on this pin supplies the power to the RTC
peripheral.
and leave RTCX1 floating.
DD(REG)(3V3)
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 29 March 2011
32-bit ARM Cortex-M3 microcontroller
© NXP B.V. 2011. All rights reserved.
,
SS
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