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Circuit Diagrams and PWB Layouts
SSB: MJC MT8280 Power
1
2
MJC MT8280 - POWER
B08C
A
FG15
+3V3_SW
5G11
30R
B
2G11
4u7
2G12
100n
C8
2G13
100n
2G14
100n
D9
W7
2G15
100n
W19
2G16
100n
2G17
1u0
Y20
5G13
30R
FG18
+1V8_SW
2G18
4u7
A1
B2
2G19
100n
C6
2G20
100n
2G21
100n
D7
F3
2G22
100n
2G23
100n
G1
C
G4
2G24
100n
2G25
100n
H2
2G26
100n
M1
M4
2G27
10n
2G28
10n
N3
U2
2G29
10n
2G30
10n
V1
2G39
10n
V4
W3
2G40
10n
2G41
10n
AA4
AB3
2G42
1u0
2G43
1u0
FG22
J10
5G17
30R
+1V
5G18
30R
J13
+1V
D
5G19
30R
J14
+1V
K9
2G44
4u7
2G45
100n
K11
K12
2G50
100n
2G51
100n
K14
2G52
100n
L10
L13
2G53
100n
2G54
100n
M10
M13
2G55
100n
2G57
100n
N9
N11
2G58
100n
N12
2G59
100n
2G61
100n
N14
P10
2G62
100n
E
2G63
10n
P13
P14
2G64
10n
2G65
1u0
2G66
1u0
2G67
1u0
F
7G04
TPS74801DRCR
Φ
1
+1V2_SW
IN
OUT
2
5
EN
7
SS
3
PG
BIAS
2G69
2G70
1u0
1n0
G
H
3139 123 6349.1
1
2
LC8.2HA LA
3
4
5
7G01-1
MT8280
Φ
POWER
DVDD33
A4
B5
C3
+1V2_SW
D1
DVSS
D4
E2
J3
DVDD18
+1V2_SW
J9
J11
J12
K1
DVSS
+1V2_SW
K4
DVDD18
K10
K13
L9
L11
L12
DVDD18
L14
DVSS
M9
M11
M12
+3V3_SW
M14
N10
N13
P2
DVDD10
DVSS
P9
P11
P12
R1
R4
DVDD10
T3
W6
DVSS
Y2
Y5
TO FLASH&NVM
AA1
DVDD10
9
FG29
10
+1V
8
FB
3G36
2G68
680R
22u
6.3V
+5V_SW
1%
4
IG14
3G34
3G35
2G71
10K
2K2
1u0
5%
3
4
5
10.
EN 73
6
7
8
+3V3_SW
FG17
5G12
30R
FG19
5G14
30R
FG20
5G15
30R
FG21
5G16
30R
7G01-5
MT8280
V20
AVDD33
XTAL
U20
3G11
820K
2G56
22p
AVDD12
AVSS33
SDA
1G01
27M0
V21
I
Φ
2G60
22p
NS_XTAL
SFCS
V22
O
SFCK
10K
PHERIPHERAL
3G16
SFDI
PRST
3G17
0R
W18
PRST
SFDO
PWN
Y18
3G19
0R
PWN
W15
EFUSE
JTMS
JTRST
UART_0RX
IG10
AB21
3G23
100R
UART_1RX
RXD
JRTCK
UART_0TX
IG11
3G24
100R
AA20
UART_1TX
TXD
JTCK
JTDI
Y6
0
JTDO
IG12
BL_ON_OFF
3G30
100R
Y7
1
LCD_PWR_ON
IG13
Y16
3G33
100R
2
INT0
W16
GPIO
3
W17
4
V16
5
AVSS_PLL
6
7
8
2009-Apr-10
9
10
11
+3V3_SW
5G10
30R
FLASH
2G10
100n
FG10
7G02
M25P16-VMF
VCC
SF_S0
FG12
15
Φ
8
SF_DO
D
Q
2Mx8
SF_CK
FG13
16
3
C
FLASH
4
SF_CS0
FG14
7
5
S
6
IG15
3G10
4K7
9
DU
11
NC
+3V3_SW
W
12
1
13
+3V3_SW
HOLD
14
VSS
FG16
FLASH_MJC_WE
7G03
PDTC114ET
TO Microp
TO Microp
Y19
IIC_SCL_up
3G12
100R
SCL
AB20
3G13
100R
IIC_SDA_up
A7
4K7
RES
3G14
+3V3_SW
D8
3G15
4K7
B8
RES
A8
3G18
4K7
+3V3_SW
4K7
3G20
Y22
FG23
10K
3G21
RES
+3V3_SW
W21
FG24
3G22
10K
AA22
FG25
Y21
FG26
W20
FG27
AA21
FG28
3G27
4K7
+3V3_SW
3G29
4K7
RES
V17
INT0
3G31
0R
3G32
10K
RES
+3V3_SW
U21
TN0
NC
U22
TP0
NC
TRAP MODE
JTDO
JTRST
SFCK
SFDO
TEST_CPUM
X
0
1
1
NORM
(1)
(0)
(1)
(1)
( ) DEFAULT MODE
9
10
11
12
1G01 E6
FG11 B12
2G10 A11
FG12 B10
B08C
2G11 B2
FG13 B10
2G12 B2
FG14 B10
2G13 B2
FG15 B3
2G14 B2
FG16 B10
2G15 B2
FG17 B7
2G16 B2
FG18 C3
2G17 B2
FG19 C7
2G18 C2
FG20 C7
2G19 C2
FG21 D7
A
2G20 C2
FG22 D3
2G21 C2
FG23 E9
2G22 C2
FG24 E9
2G23 C2
FG25 E9
2G24 C2
FG26 E9
2G25 C2
FG27 E9
FG11
2G26 C2
FG28 F9
2G27 C2
FG29 F5
2G28 C2
IG10 E7
2G29 C2
IG11 E7
2G30 C2
IG12 F7
B
2G31 C6
IG13 F7
2G32 C6
IG14 G4
2G33 C7
IG15 B10
2G34 C7
2G35 C7
2G36 C7
2G37 C7
2G38 C7
2G39 D2
2G40 D2
2G41 D2
2G42 D2
C
2G43 D2
2G44 D2
2G45 D2
2G46 D6
2G47 D6
2G48 D7
2G49 D7
2G50 D2
2G51 D2
2G52 D2
2G53 D2
2G54 E2
D
2G55 E2
2G56 E7
2G57 E2
2G58 E2
2G59 E2
2G60 E7
2G61 E2
2G62 E2
2G63 E2
2G64 E2
2G65 E2
E
2G66 E2
2G67 E2
2G68 G5
2G69 G2
2G70 G2
2G71 G4
3G10 B10
3G11 E6
3G12 E9
3G13 E9
3G14 E9
3G15 E9
F
3G16 E7
3G17 E7
3G18 E9
3G19 E7
3G20 E9
3G21 E9
3G22 E9
3G23 E7
3G24 E7
3G27 F9
3G29 F9
3G30 F7
G
3G31 F9
3G32 F9
3G33 F7
3G34 G4
3G35 G4
3G36 G4
3G38 B8
5G10 A11
5G11 B2
5G12 C6
5G13 C2
H
5G14 C6
5G15 C6
5G16 D6
5G17 D2
5G18 D2
5G19 D2
7G01-1 B3
7G01-5 D8
7G02 A11
I_17760_019.eps
7G03 B10
180208
7G04 F3
FG10 A11
12
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