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11. Flash Memory
VCC-3.3
R5
27
R4
27
VREF-1.8
C31
22pF
C30
22pF
X3
32.768KHz
C2
22pF
C1
22pF
X1
8MHz
E9
10uF
MOSI2-RG8
SCK2-RG6
SOSCO
SOSCI
CLKO
CLKI
LC
D
-R
S
LC
D
-Y
U
LC
D
-X
L
LC
D
-Y
D
LC
D
-X
R
SD
-C
D
#
T-
D
1
R
D
14
R
D
15
M
CU
-R
X
M
CU
-T
X
R
B9
R
B8
PG
D
1
PG
C1
R
F1
3
R
F1
2
FLASH-CS#
MISO2-RG7
30
29
28
27
34
33
58
57
56
55
54
53
52
46
36
35
42 43 44 45
37
50
9
48 49
11
12
32
72
69
68
67
66
65
64
63
4
3
78 77
24
23
18
17
16
15
14
13
5
6
7
8
10
79
80
1
2
22
21
20
19
62
61
60
59
38 39 40 41
47
71
31
51
70
26
25
76
75
74
73
dsPIC33FJ256GP710A
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
10
0
R
B1
1
R
B10
/A
N
10
R
B9
/A
N
9
R
B8
/A
N
8
R
B1
3
R
B1
2
RE7
RC1
RC2
RC3
RA15
SCL1/RG2
R
B1
5
R
B1
4
SDO1/RF8
SDI1/RF7
SCK1/RF6
SDA1/RG3
G
N
D
VC
C
R
A6
R
G
0
R
G
1
R
E0
R
F1
R
F0
R
D
7
R
D
6
RE6
RE5
R
E2
R
G
13
R
G
12
R
G
14
R
E1
R
A7
RG8/SDO2
R
A9
/V
re
f-
RB1
RB2/AN2
RB3
RB4
RB5
RA13
RD9
RD8
U1RX/RF2
U1TX/RF3
GND
RG7/SDI2
RG6/SCK2
R
A1
R
E3
R
E4
RG15
VCC
R
B7
/P
G
ED
1
R
B6
/P
G
EC1
RB0
R
F4
R
F5
RA14
RA5
R
D
14
R
D
15
RA2
R
F1
3
VC
C
RA3
VCC
VC
C
RA12
RA0
VCC
G
N
D
R
F1
2
RA4
GND
VCA
P
AG
N
D
AV
CC
R
A1
0/
Vr
ef
+
MCLR
RC4
CLKI/RC12
CLKO/RC15
RD10
R
D
3
R
D
1
SOSCI/RC13
SOSCO/RC14
GND
R
D
2
R
D
12
R
D
13
R
D
4
R
D
5
RG9
RD11
RD0
U1
FLASH-CS#
C37
100nF
R48
10K
VCC-3.3
VCC-3.3
VCC-3.3
1
2
3
5
4
6
7
8
CS
SDO
WP
GND
SDI
SCK
HOLD
VCC
U10
M25P80
MOSI2-RG8
SCK2-RG6
MISO2-RG7
C5
100nF
C6
100nF
C7
100nF
E8
10uF
VCC-3.3 VCC-3.3 VCC-3.3
VCC-3.3
C8
100nF
VCC-3.3
decoupling capacitors
Figure 11-2:
Flash memory module connection schematics
Since multimedia applications are
getting increasingly demanding, it is
necessary to provide additional memory
space to be used for storing more data.
The flash memory module enables the
microcontroller to use additional
8Mbit
flash memory. It is connected to the
microcontroller via the Serial Peripheral
Interface (
SPI
).
Figure 11-1:
Flash memory module