UM10503
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
228 of 1269
NXP Semiconductors
UM10503
Chapter 14: LPC43xx Pin configuration
VBAT
B10
B9
C5
184 127
-
-
RTC power supply: 3.3 V on this pin supplies power to the
RTC.
VDDREG
F10,
F9,
L8,
L7
D8,
E8
E4,
E5,
F4
135
,
188
,
195
,
82,
33
94,
131,
59,
25
-
Main regulator power supply. Tie the VDDREG and
VDDIO pins to a common power supply to ensure the
same ramp-up time for both supply voltages.
VPP
E8
-
-
-
-
-
-
OTP programming voltage.
VDDIO
D7,
E12,
F7,
F8,
G10,
H10,
J6,
J7,
K7,
L9,
L10,
N7,
N13
H5,
H10,
K8
F10,
K5
6,
52,
57,
102
,
110
,
155
,
160
,
202
5,
36,
41,
71,
77,
107,
111,
141
-
-
I/O power supply. Tie the VDDREG and VDDIO pins to a
common power supply to ensure the same ramp-up time
for both supply voltages.
VDD
-
-
-
-
-
Power supply for main regulator, I/O, and OTP.
VSS
G9,
H7,
J10,
J11,
K8
F10,
G10,
D7,
E6,
E7,
E9,
K6,
K9
-
-
-
-
-
Ground.
VSSIO
C4,
D13,
G6,
G7,
G8,
H8,
H9,
J8,
J9,
K9,
K10,
M13,
P7,
P13
-
C8,
D4,
D5,
G8,
J3,
J6
5,
56,
109
,
157
4,
40,
76,
109
-
-
Ground.
Table 129. Pin description
…continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts.
Symbol
LB
GA25
6
TFBGA180
TFBGA100
LQ
FP2
08
[1
]
LQ
FP1
44
R
e
se
t st
ate
[2
]
Ty
p
e
Description