lpc1778 NXP Semiconductors, lpc1778 Datasheet - Page 32

• Manufacturer Part Number: lpc1778
• Description: 32-bit Arm Cortex-m3 Microcontroller; Up To 512 Kb Flash And 96 Kb Sram; Usb Device/host/otg; Ethernet; Lcd; Emc
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 3.
Not all functions are available on all parts. See
LPC178x_7x
Objective data sheet
Symbol
Vdda
Vdd(3v3)
VREFP
V
Vss(reg)
Vssa
XTAL1
XTAL2
SS
Pin description
20
15,
60,
71,
89,
112,
125,
146,
165,
181,
198
24
33,
63,
77,
93,
114,
133,
148,
169,
189,
200
32,
84,
172
22
44
46
…continued
G4
G3,
P6,
P8,
U13,
P17,
K16,
C17,
B13,
C9,
D7
K1
L3,
T5,
R9,
P12,
N16,
H14,
E15,
A12,
B6,
A2
-
J2
M4
N4
F2
E2,
L4,
K8,
L11,
J14,
E12,
E10,
C5
G2
H4,
P4,
L9,
L13,
G13,
D13,
C11,
B4
H3,
L8,
A10
F3
L2
K4
14
41,
62,
77,
102,
114,
138
17
44,
65,
79,
103,
117,
139
22,
59,
119
15
31
33
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Table 2
Type
Supply Analog 3.3 V pad supply voltage: This can be connected to the
Supply 3.3 V supply voltage: This is the power supply voltage for I/O
Supply ADC positive reference voltage: This should be the same
Ground Ground: 0 V reference for digital IO pins.
Ground Ground: 0 V reference for internal logic.
Ground Analog ground: 0 V power supply and reference for the ADC and
I
O
Rev. 00.04 — 8 July 2010
(Ethernet, USB, LCD, QEI, SD/MMC pins) and
Description
same supply as V
and error. This voltage is used to power the ADC and DAC. Note:
this pin should be tied to 3.3V if the ADC and DAC are not
used.
other than pins in the Vbat domain.
voltage as V
error. The voltage level on this pin is used as a reference for ADC
and DAC. Note: this pin should be tied to 3.3V if the ADC and
DAC are not used.
DAC. This should be the same voltage as V
isolated to minimize noise and error.
Input to the oscillator circuit and internal clock generator circuits.
Output from the oscillator amplifier.
DDA
, but should be isolated to minimize noise and
DD(3V3)
32-bit ARM Cortex-M3 microcontroller
but should be isolated to minimize noise
LPC178x/7x
SS
Table 7
, but should be
© NXP B.V. 2010. All rights reserved.
(EMC pins).
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