NuMaker-HMI-N9H20
Mar. 15, 2022
Page
33
of 42
Rev 1.00
NUMA
K
E
R
-HMI
-N
9H20
US
E
R M
A
NU
A
L
Ma
k
er Nu
-m
be
d
NUC
47
2
Us
er Man
ua
l
3.4
NuMaker-N9H20 Keys and Configuration Circuit
Figure 3-4 shows the NuMaker-N9H20 keys and configuration circuit.
Figure 3-4 NuMaker-N9H20 Keys and Configuration Circuit
GPA2
Nor. Mode
ND4(RS5)
R34
10K
RS5
0
GPA2
v
R26
10K
Rec. Mode
GPA4
ND7
x
JP1
v
VS
K1
UP
STS-B5
x
DDR
VD33
ND2
E43
NSP4201
6
3
4
2
5
1
CH4
CH2
CH3
Vn
Vp
CH1
GPC4(RS1)
DDR2
ND0
R28
1K
JP1
GPC4
LPDDR
R30
10K
RN1
10KR
1
2
3
4
5
6
7
8
DN
GPC5
K5
ESC
STS-B5
NAND Cycle
ND4
SHORT
SDRAM
VS
K4
RIGHT
STS-B5
RT
RS3
0
OPEN
MEMORY TYPE
RS6
0
R33
1K
K2
DOWN
STS-B5
GPA3
ENTER
R24
10K
x
5
R
ow
1
GPA7
R31
1K
VS
GPA4
GPA4
Home
GPA7
v
4
R
ow
2
RS4
0
None (by IBR)
LF
K3
LEFT
STS-B5
ND7(RS4)
x
JP1
ND0
1
2
VS
E3
ESD7371
GPA3
8KB
ND5
v
K6
ENTER
STS-B5
x
RS2
0
4KB
VS
GPA2
v
R27
10K
v
v
ND0
2KB
v
x
R29
10K
GPA3
x
UP
RS1
0
VD33
NAND Page Size
x
R25
1K
ND5(RS6)
v
x
GPC5(RS2)
VD33
R32
10K
