UM10503
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
354 of 1269
NXP Semiconductors
UM10503
Chapter 18: LPC43xx Serial GPIO (SGPIO)
11
N3
M3
B3
N3
M3
B3
M1
N1
G1
N0
Nck
L
12
N4
M4
B4
P0
O0
D0
P0
O0
D0
D0
Ick
M
13
N5
M5
B5
P1
O1
D1
P1
O1
D1
O0
Jck
N
14
N6
M6
B6
P2
O2
D2
O0
P0
H0
H0
Kck
O
15
N7
M7
B7
P3
O3
D3
O1
P1
H1
P0
Lck
P
Table 213. Output pin multiplexing
SGPIO
pin
Output mode - register OUT_MUX_CFG, bits P_OUT_CFG (see
Table 212
)
1011
1010
1001
0111
0110
0101
0011
0010
0001
0000
1000
0100
8-bit 8c 8-bit 8b 8-bit 8a 4-bit 4c 4-bit 4b 4-bit 4a 2-bit 2c 2-bit 2b 2-bit 2a 1-bit
clk
gpio
Table 214. Output enable control
SGPIO pin
OE control - register OUT_MUX_CFG, bits P_OE_CFG
111
110
101
100
000
8-bit
4-bit
2-bit
1-bit
gpio
0
H0
H0
H0
B0
A
1
H1
H1
H1
M0
B
2
H1
H1
D0
G0
C
3
H1
H1
D1
N0
D
4
H1
O0
G0
D0
E
5
H1
O1
G1
O0
F
6
H1
O1
O0
H0
G
7
H1
O1
O1
P0
H
8
P0
P0
P0
A0
I
9
P1
P1
P1
I0
J
10
P1
P1
B0
E0
K
11
P1
P1
B1
J0
L
12
P1
N0
N0
C0
M
13
P1
N1
N1
K0
N
14
P1
N1
M0
F0
O
15
P1
N1
M1
L0
P