Linx Technologies MDEV-GPS - Manual (Page 8)

– – – – 10 11
B2
BATHLD-001
GND
VBACKUP
1
2
3
4
5
6
7
8
9
10
J5
GND
GND
VCC
VBACKUP
1
2
3
4
5
6
7
8
9
10
J4
GND
GND
TXM
RXM
ON_OFF
1PPS
RESET
RFPWRUP
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
J6
GND
VCC13
C12
4.7uF
D7
D6
D5
D4
D3
D2
D1
D0
E/RD#
R/W#
BS0
BS1
CS#
D/C#
RES#
GPIO1
GPIO0
R12
560k
C11
1uF
VCC
VCC GND
GND
GND
GND
GND
C13
0.1uF
GND
D6
D7
R13
51
GND GND
VCC
VCC
VCOMH
VDDIO
VSL
IREF
VDD
VCI
VSS
+
D4 D3 D2 D1 D0 E/
RD
#
R/W# VCC
C15
10uF
GND
EN
D/C#
AVS
S
VSS VD
D
VDD
VSS
PMD5/RE5
PMD6/RE6
PMD7/RE7
PMA5/SCK2/CN8/RG6
PMA4/SDI2/CN9/RG7
PMA3/SDO2/CN10/RG8
MCLR
PMA2/SS2/CN11/RG9
VSS
VDD
C1IN+/AN5/CN7/RB5
C1IN-/AN4/CN6/RB4
C2IN+/AN3/CN5/RB3
C2IN-/AN2/SS1/CN4/RB2
PGC1/EMUC1/VREF-/AN1/CN3/RB1
PGD1/EMUD1/PMA6/VREF+/AN0/CN2/RB0
PG
C2
/E
M
UC2/AN6/O
CF
A/RB6
PG
D2
/E
MU
D2/AN7/RB7
AVDD U2
CT
S/
C1
OUT/
AN
8/RB
8
PMA7/C2OUT/AN9/R
B9
TM
S/
PMA13/CVREF/A
N1
0/RB1
0
TD
O/
PMA12/AN11/R
B1
1
TCK/PMA11/AN12/R
B1
2
TDI/
PMA10/AN13/R
B1
3
PMA1/U2RTS/BCLK2/AN14/RB
14
PMA0/A
N15/OCFB/CN12/RB15
PMA9/U2RX/SDA2/CN1
7/RF
4
PMA8/U2TX/SCL2/CN18/R
F5
U1TX/SDO1/RF3
U1RX/SDI1/RF2
U1RTS/BCLK1/SCK1/INT0/RF6
SDA1/RG3
SCL1/RG2
OSC1/CLKI/RC12
OSC2/CLKO/RC15
IC1/RTCC/INT1/RD8
IC2/U1CTS/INT2/RD9
IC3/PMCS2/INT3/RD10
IC4/PMCS1/INT4/RD11
OC1/RD0
SOSCI/CN1/RC13
SOSC0/T1CK/CN0/RC14
OC
2/RD1
49
OC
3/RD2
50
PMBE/
OC
4/
RD
3
51
PMWR/OC5/IC5/CN13/RD4
52
PMRD/CN14/
RD
5
53
CN
15
/RD6
54
CN
16
/RD7
55
VCAP/V
DD
CORE
56
EN
VR
EG
57
RF
0
58
RF
1
59
PMD0/RE0
60
PMD1/RE1
61
PMD2/RE2
62
PMD3/RE3
63
PMD4/RE4
64
U5
SW2
POWER SWITCH
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
D7
D6
D5
CS#
RES#
GND
GND GND
GND
VCC
VCC VCC
VCC
VPP
PGC
PGD
TXM
SW2
GND
VCC
GND
+ GND
VCCU
GND
GND GND
VCC13
EN
C10
0.1uF C8
10uF
C9
10uF
VIN 5
GND 2
EN 4 FB 3
SW 1
U3
B1
L2 10uH
D5
R10
47.5k
R11
4.99k
SW1
GND
C5
100uF
Vin 1
GN
D
2
Vout 3
U1
VCC
GND
GND
D9
C16
10uF D1
GRN
R2
200
GND
VCC
D8
R14
100k
GPIOD
GPIOE
GPIOC
GPIOB
GPIOA
1
2
3
4
5
6
7
8
9
10
J3
TXM
RXMHDR
ON_OFF
1PPS
RFPWRUP
GPIOC
GPIOE
GPIOB
GPIOA
GPIOD
SW3
RXM
RXMHDR
RXMUSB
5V 1 DAT- 2
DAT+ 3 GND 4
GSHD
5
GSHD
6
J2
USB-B
GND
R1
0
RI USBDP 1
USBDM 2
GND 3
VCC 4
SUSP IND 5
RX IND 6
TX IND 7
485 TX
8
DTR
9 CTS 10 RTS 11 DATA OUT 12 DATA IN 13 DSR 14 DCD 15
16
U4
SDM-USB-QS
RXM USB
TXM
+
GND
GND
C4
4.7uF
C2
0.01uF
L1
GND GND GND
R4 10
C6
10pF
/FAULT
R3
100k
SUSP IND
TX IND
RX IND C7
0.1uF
C3
10pF
R5 10
4
5
6
+
VCCU
R7 200
D2 TX_IND
D3 RX_IND
R8 200 IN 1
GND 2
EN
3
/FAULT
ILIM
OUT
U2
TPS2553
GND
/FAULT
SUSP IND
GND
GND
TX IND
RX IND
/FAULT
D4 Over Current
R9 200
C1
0.1uF
R6
53.6k
C17
100uF
GND +
VCC
GND
C14
10uF
B2
BATHLD-001
GND
VBACKUP
1
2
3
4
5
6
7
8
9
10
J5
GND
GND
VCC
VBACKUP
1
2
3
4
5
6
7
8
9
10
J4
GND
GND
TXM
RXM
ON_OFF
1PPS
RESET
RFPWRUP
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
J6
GND
VCC13
C12
4.7uF
D7
D6
D5
D4
D3
D2
D1
D0
E/RD#
R/W#
BS0
BS1
CS#
D/C#
RES#
GPIO1
GPIO0
R12
560k
C11
1uF
VCC
VCC GND
GND
GND
GND
GND
C13
0.1uF
GND
D6
D7
R13
51
GND GND
VCC
VCC
VCOMH
VDDIO
VSL
IREF
VDD
VCI
VSS
+ D4 D3 D2 D1 D0 E/
RD
#
R/W# VCC
C15
10uF
GND
EN
D/C#
AVS
S
VSS VD
D
VDD
VSS
PMD5/RE5
PMD6/RE6
PMD7/RE7
PMA5/SCK2/CN8/RG6
PMA4/SDI2/CN9/RG7
PMA3/SDO2/CN10/RG8
MCLR
PMA2/SS2/CN11/RG9
VSS
VDD
C1IN+/AN5/CN7/RB5
C1IN-/AN4/CN6/RB4
C2IN+/AN3/CN5/RB3
C2IN-/AN2/SS1/CN4/RB2
PGC1/EMUC1/VREF-/AN1/CN3/RB1
PGD1/EMUD1/PMA6/VREF+/AN0/CN2/RB0
PG
C2
/E
M
UC2/AN6/O
CF
A/RB6
PG
D2
/E
MU
D2/AN7/RB7
AVDD U2
CT
S/
C1
OUT/
AN
8/RB
8
PMA7/C2OUT/AN9/R
B9
TM
S/
PMA13/CVREF/A
N1
0/RB1
0
TD
O/
PMA12/AN11/R
B1
1
TCK/PMA11/AN12/R
B1
2
TDI/
PMA10/AN13/R
B1
3
PMA1/U2RTS/BCLK2/AN14/RB
14
PMA0/A
N15/OCFB/CN12/RB15
PMA9/U2RX/SDA2/CN1
7/RF
4
PMA8/U2TX/SCL2/CN18/R
F5
U1TX/SDO1/RF3
U1RX/SDI1/RF2
U1RTS/BCLK1/SCK1/INT0/RF6
SDA1/RG3
SCL1/RG2
OSC1/CLKI/RC12
OSC2/CLKO/RC15
IC1/RTCC/INT1/RD8
IC2/U1CTS/INT2/RD9
IC3/PMCS2/INT3/RD10
IC4/PMCS1/INT4/RD11
OC1/RD0
SOSCI/CN1/RC13
SOSC0/T1CK/CN0/RC14
OC
2/RD1
49
OC
3/RD2
50
PMBE/
OC
4/
RD
3
51
PMWR/OC5/IC5/CN13/RD4
52
PMRD/CN14/
RD
5
53
CN
15
/RD6
54
CN
16
/RD7
55
VCAP/V
DD
CORE
56
EN
VR
EG
57
RF
0
58
RF
1
59
PMD0/RE0
60
PMD1/RE1
61
PMD2/RE2
62
PMD3/RE3
63
PMD4/RE4
64
U5
SW2
POWER SWITCH
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
D7
D6
D5
CS#
RES#
GND
GND GND
GND
VCC
VCC VCC
VCC
VPP
PGC
PGD
TXM
SW2
GND
VCC
GND
+ GND
VCCU
GND
GND GND
VCC13
EN
C10
0.1uF C8
10uF
C9
10uF
VIN 5
GND 2
EN 4 FB 3
SW 1
U3
B1
L2 10uH
D5
R10
47.5k
R11
4.99k
SW1
GND
C5
100uF
Vin
1
GN
D
2
Vout
3
U1
VCC
GND
GND
D9
C16
10uF D1
GRN
R2
200
GND
VCC
D8
R14
100k
GPIOD
GPIOE
GPIOC
GPIOB
GPIOA
1
2
3
4
5
6
7
8
9
10
J3
TXM
RXMHDR
ON_OFF
1PPS
RFPWRUP
GPIOC
GPIOE
GPIOB
GPIOA
GPIOD
SW3
RXM
RXMHDR
RXMUSB
5V 1 DAT- 2 DAT+
3 GND 4
GSHD
5
GSHD
6
J2
USB-B
GND
R1
0
RI USBDP
1
USBDM 2
GND 3
VCC 4
SUSP IND 5
RX IND 6
TX IND 7
485 TX 8 DTR 9
CTS 10 RTS 11 DATA OUT 12 DATA IN 13 DSR 14 DCD 15
16
U4
SDM-USB-QS
RXM USB
TXM
+
GND
GND
C4
4.7uF
C2
0.01uF
L1
GND GND GND
R4 10
C6
10pF
/FAULT
R3
100k
SUSP IND
TX IND
RX IND
C7
0.1uF
C3
10pF
R5 10
4
5
6
+
VCCU
R7 200
D2 TX_IND
D3 RX_IND
R8 200 IN 1
GND 2
EN 3 /FAULT
ILIM
OUT
U2
TPS2553
GND
/FAULT
SUSP IND
GND
GND
TX IND
RX IND
/FAULT
D4 Over Current
R9 200
C1
0.1uF
R6
53.6k
C17
100uF
GND +
VCC
GND
C14
10uF
Figure 9: Receiver Section Schematic
Figure 10: Header Section Schematic
B2
BATHLD-001
GND
VBACKUP
1
2
3
4
5
6
7
8
9
10
J5
GND
GND
VCC
VBACKUP
1
2
3
4
5
6
7
8
9
10
J4
GND
GND
TXM
RXM
ON_OFF
1PPS
RESET
RFPWRUP
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
J6
GND
VCC13
C12
4.7uF
D7
D6
D5
D4
D3
D2
D1
D0
E/RD#
R/W#
BS0
BS1
CS#
D/C#
RES#
GPIO1
GPIO0
R12
560k
C11
1uF
VCC
VCC GND
GND
GND
GND
GND
C13
0.1uF
GND
D6
D7
R13
51
GND
GND
VCC
VCC
VCOMH
VDDIO
VSL
IREF
VDD
VCI
VSS
+ D4 D3 D2 D1 D0 E/
RD
#
R/W# VCC
C15
10uF
GND
EN
D/C#
AVS
S
VSS VD
D
VDD
VSS
PMD5/RE5
PMD6/RE6
PMD7/RE7
PMA5/SCK2/CN8/RG6
PMA4/SDI2/CN9/RG7
PMA3/SDO2/CN10/RG8
MCLR
PMA2/SS2/CN11/RG9
VSS
VDD
C1IN+/AN5/CN7/RB5
C1IN-/AN4/CN6/RB4
C2IN+/AN3/CN5/RB3
C2IN-/AN2/SS1/CN4/RB2
PGC1/EMUC1/VREF-/AN1/CN3/RB1
PGD1/EMUD1/PMA6/VREF+/AN0/CN2/RB0
PG
C2
/E
M
UC2/AN6/O
CF
A/RB6
PG
D2
/E
MU
D2/AN7/RB7
AVDD U2
CT
S/
C1
OUT/
AN
8/RB
8
PMA7/C2OUT/AN9/R
B9
TM
S/
PMA13/CVREF/A
N1
0/RB1
0
TD
O/
PMA12/AN11/R
B1
1
TCK/PMA11/AN12/R
B1
2
TDI/
PMA10/AN13/R
B1
3
PMA1/U2RTS/BCLK2/AN14/RB
14
PMA0/A
N15/OCFB/CN12/RB15
PMA9/U2RX/SDA2/CN1
7/RF
4
PMA8/U2TX/SCL2/CN18/R
F5
U1TX/SDO1/RF3
U1RX/SDI1/RF2
U1RTS/BCLK1/SCK1/INT0/RF6
SDA1/RG3
SCL1/RG2
OSC1/CLKI/RC12
OSC2/CLKO/RC15
IC1/RTCC/INT1/RD8
IC2/U1CTS/INT2/RD9
IC3/PMCS2/INT3/RD10
IC4/PMCS1/INT4/RD11
OC1/RD0
SOSCI/CN1/RC13
SOSC0/T1CK/CN0/RC14
OC
2/RD1
49
OC
3/RD2
50
PMBE/
OC
4/
RD
3
51
PMWR/OC5/IC5/CN13/RD4
52
PMRD/CN14/
RD
5
53
CN
15
/RD6
54
CN
16
/RD7
55
VCAP/V
DD
CORE
56
EN
VR
EG
57
RF
0
58
RF
1
59
PMD0/RE0
60
PMD1/RE1
61
PMD2/RE2
62
PMD3/RE3
63
PMD4/RE4
64
U5
SW2
POWER SWITCH
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
D7
D6
D5
CS#
RES#
GND
GND GND
GND
VCC
VCC VCC
VCC
VPP
PGC
PGD
TXM
SW2
GND
VCC
GND
+ GND
VCCU
GND
GND GND
VCC13
EN
C10
0.1uF C8
10uF
C9
10uF
VIN 5
GND 2
EN 4 FB 3
SW 1
U3
B1
L2 10uH
D5
R10
47.5k
R11
4.99k
SW1
GND
C5
100uF
Vin 1
GN
D
2
Vout 3
U1
VCC
GND
GND
D9
C16
10uF
D1
GRN
R2
200
GND
VCC
D8
R14
100k
GPIOD
GPIOE
GPIOC
GPIOB
GPIOA
1
2
3
4
5
6
7
8
9
10
J3
TXM
RXMHDR
ON_OFF
1PPS
RFPWRUP
GPIOC
GPIOE
GPIOB
GPIOA
GPIOD
SW3
RXM
RXMHDR
RXMUSB
5V 1 DAT- 2 DAT+ 3
GND 4
GSHD
5
GSHD
6
J2
USB-B
GND
R1
0
RI USBDP 1
USBDM 2
GND 3
VCC 4
SUSP IND 5
RX IND
6
TX IND 7
485 TX 8 DTR 9 CTS 10 RTS
11 DATA OUT 12 DATA IN 13 DSR 14 DCD 15
16
U4
SDM-USB-QS
RXM USB
TXM
+
GND
GND
C4
4.7uF
C2
0.01uF
L1
GND GND GND
R4 10
C6
10pF
/FAULT
R3
100k
SUSP IND
TX IND
RX IND
C7
0.1uF
C3
10pF
R5 10
4
5
6
+
VCCU
R7 200
D2 TX_IND
D3 RX_IND
R8 200 IN 1
GND
2
EN 3 /FAULT
ILIM
OUT
U2
TPS2553
GND
/FAULT
SUSP IND
GND
GND
TX IND
RX IND
/FAULT
D4 Over Current
R9 200
C1
0.1uF
R6
53.6k
C17
100uF
GND +
VCC
GND
C14
10uF
Figure 11: USB Section Schematic
Schematics
B2
BATHLD-001
GND
VBACKUP
1
2
3
4
5
6
7
8
9
10
J5
GND
GND
VCC
VBACKUP
1
2
3
4
5
6
7
8
9
10
J4
GND
GND
TXM
RXM
ON_OFF
1PPS
RESET
RFPWRUP
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
J6
GND
VCC13
C12
4.7uF
D7
D6
D5
D4
D3
D2
D1
D0
E/RD#
R/W#
BS0
BS1
CS#
D/C#
RES#
GPIO1
GPIO0
R12
560k
C11
1uF
VCC
VCC GND
GND
GND
GND
GND
C13
0.1uF
GND
D6
D7
R13
51
GND GND
VCC
VCC
VCOMH
VDDIO
VSL
IREF
VDD
VCI
VSS
+ D4 D3 D2 D1 D0 E/
RD
#
R/W# VCC
C15
10uF
GND
EN
D/C#
AVS
S
VSS VD
D
VDD
VSS
PMD5/RE5
PMD6/RE6
PMD7/RE7
PMA5/SCK2/CN8/RG6
PMA4/SDI2/CN9/RG7
PMA3/SDO2/CN10/RG8
MCLR
PMA2/SS2/CN11/RG9
VSS
VDD
C1IN+/AN5/CN7/RB5
C1IN-/AN4/CN6/RB4
C2IN+/AN3/CN5/RB3
C2IN-/AN2/SS1/CN4/RB2
PGC1/EMUC1/VREF-/AN1/CN3/RB1
PGD1/EMUD1/PMA6/VREF+/AN0/CN2/RB0
PG
C2
/E
M
UC2/AN6/O
CF
A/RB6
PG
D2
/E
MU
D2/AN7/RB7
AVDD U2
CT
S/
C1
OUT/
AN
8/RB
8
PMA7/C2OUT/AN9/R
B9
TM
S/
PMA13/CVREF/A
N1
0/RB1
0
TD
O/
PMA12/AN11/R
B1
1
TCK/PMA11/AN12/R
B1
2
TDI/
PMA10/AN13/R
B1
3
PMA1/U2RTS/BCLK2/AN14/RB
14
PMA0/A
N15/OCFB/CN12/RB15
PMA9/U2RX/SDA2/CN1
7/RF
4
PMA8/U2TX/SCL2/CN18/R
F5
U1TX/SDO1/RF3
U1RX/SDI1/RF2
U1RTS/BCLK1/SCK1/INT0/RF6
SDA1/RG3
SCL1/RG2
OSC1/CLKI/RC12
OSC2/CLKO/RC15
IC1/RTCC/INT1/RD8
IC2/U1CTS/INT2/RD9
IC3/PMCS2/INT3/RD10
IC4/PMCS1/INT4/RD11
OC1/RD0
SOSCI/CN1/RC13
SOSC0/T1CK/CN0/RC14
OC
2/RD1
49
OC
3/RD2
50
PMBE/
OC
4/
RD
3
51
PMWR/OC5/IC5/CN13/RD4
52
PMRD/CN14/
RD
5
53
CN
15
/RD6
54
CN
16
/RD7
55
VCAP/V
DD
CORE
56
EN
VR
EG
57
RF
0
58
RF
1
59
PMD0/RE0
60
PMD1/RE1
61
PMD2/RE2
62
PMD3/RE3
63
PMD4/RE4
64
U5
SW2
POWER SWITCH
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
D7
D6
D5
CS#
RES#
GND
GND GND
GND
VCC
VCC VCC
VCC
VPP
PGC
PGD
TXM
SW2
GND
VCC
GND
+ GND
VCCU
GND
GND GND
VCC13
EN
C10
0.1uF C8
10uF
C9
10uF
VIN 5
GND 2
EN 4 FB 3
SW 1
U3
B1
L2 10uH
D5
R10
47.5k
R11
4.99k
SW1
GND
C5
100uF
Vin 1
GN
D
2
Vout 3
U1
VCC
GND
GND
D9
C16
10uF D1
GRN
R2
200
GND
VCC
D8
R14
100k
GPIOD
GPIOE
GPIOC
GPIOB
GPIOA
1
2
3
4
5
6
7
8
9
10
J3
TXM
RXMHDR
ON_OFF
1PPS
RFPWRUP
GPIOC
GPIOE
GPIOB
GPIOA
GPIOD
SW3
RXM
RXMHDR
RXMUSB
5V 1 DAT- 2 DAT+ 3 GND 4
GSHD
5
GSHD
6
J2
USB-B
GND
R1
0
RI USBDP 1
USBDM 2
GND 3
VCC 4
SUSP IND 5
RX IND 6
TX IND 7
485 TX 8 DTR 9 CTS 10 RTS 11 DATA OUT 12 DATA IN 13 DSR 14 DCD 15
16
U4
SDM-USB-QS
RXM USB
TXM
+
GND
GND
C4
4.7uF
C2
0.01uF
L1
GND GND GND
R4 10
C6
10pF
/FAULT
R3
100k
SUSP IND
TX IND
RX IND C7
0.1uF
C3
10pF
R5 10
4
5
6
+
VCCU
R7 200
D2 TX_IND
D3 RX_IND
R8 200 IN 1
GND 2
EN 3 /FAULT
ILIM
OUT
U2
TPS2553
GND
/FAULT
SUSP IND
GND
GND
TX IND
RX IND
/FAULT
D4 Over Current
R9 200
C1
0.1uF
R6
53.6k
C17
100uF
GND +
VCC
GND
C14
10uF
Figure 13: Display Section Schematic
B2
BATHLD-001
GND
VBACKUP
1
2
3
4
5
6
7
8
9
10
J5
GND
GND
VCC
VBACKUP
1
2
3
4
5
6
7
8
9
10
J4
GND
GND
TXM
RXM
ON_OFF
1PPS
RESET
RFPWRUP
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
J6
GND
VCC13
C12
4.7uF
D7
D6
D5
D4
D3
D2
D1
D0
E/RD#
R/W#
BS0
BS1
CS#
D/C#
RES#
GPIO1
GPIO0
R12
560k
C11
1uF
VCC
VCC
GND
GND
GND
GND
GND
C13
0.1uF
GND
D6
D7
R13
51
GND GND
VCC
VCC
VCOMH
VDDIO
VSL
IREF
VDD
VCI
VSS
+
D4 D3 D2 D1 D0 E/
RD
#
R/W# VCC
C15
10uF
GND
EN
D/C#
AVS
S
VSS VD
D
VDD
VSS
PMD5/RE5
PMD6/RE6
PMD7/RE7
PMA5/SCK2/CN8/RG6
PMA4/SDI2/CN9/RG7
PMA3/SDO2/CN10/RG8
MCLR
PMA2/SS2/CN11/RG9
VSS
VDD
C1IN+/AN5/CN7/RB5
C1IN-/AN4/CN6/RB4
C2IN+/AN3/CN5/RB3
C2IN-/AN2/SS1/CN4/RB2
PGC1/EMUC1/VREF-/AN1/CN3/RB1
PGD1/EMUD1/PMA6/VREF+/AN0/CN2/RB0
PG
C2
/E
M
UC2/AN6/O
CF
A/RB6
PG
D2
/E
MU
D2/AN7/RB7
AVDD U2
CT
S/
C1
OUT/
AN
8/RB
8
PMA7/C2OUT/AN9/R
B9
TM
S/
PMA13/CVREF/A
N1
0/RB1
0
TD
O/
PMA12/AN11/R
B1
1
TCK/PMA11/AN12/R
B1
2
TDI/
PMA10/AN13/R
B1
3
PMA1/U2RTS/BCLK2/AN14/RB
14
PMA0/A
N15/OCFB/CN12/RB15
PMA9/U2RX/SDA2/CN1
7/RF
4
PMA8/U2TX/SCL2/CN18/R
F5
U1TX/SDO1/RF3
U1RX/SDI1/RF2
U1RTS/BCLK1/SCK1/INT0/RF6
SDA1/RG3
SCL1/RG2
OSC1/CLKI/RC12
OSC2/CLKO/RC15
IC1/RTCC/INT1/RD8
IC2/U1CTS/INT2/RD9
IC3/PMCS2/INT3/RD10
IC4/PMCS1/INT4/RD11
OC1/RD0
SOSCI/CN1/RC13
SOSC0/T1CK/CN0/RC14
OC
2/RD1
49
OC
3/RD2
50
PMBE/
OC
4/
RD
3
51
PMWR/OC5/IC5/CN13/RD4
52
PMRD/CN14/
RD
5
53
CN
15
/RD6
54
CN
16
/RD7
55
VCAP/V
DD
CORE
56
EN
VR
EG
57
RF
0
58
RF
1
59
PMD0/RE0
60
PMD1/RE1
61
PMD2/RE2
62
PMD3/RE3
63
PMD4/RE4
64
U5
SW2
POWER SWITCH
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
D7
D6
D5
CS#
RES#
GND
GND GND
GND
VCC
VCC VCC
VCC
VPP
PGC
PGD
TXM
SW2
GND
VCC
GND
+ GND
VCCU
GND
GND GND
VCC13
EN
C10
0.1uF C8
10uF
C9
10uF
VIN 5
GND 2
EN 4 FB 3
SW 1
U3
B1
L2 10uH
D5
R10
47.5k
R11
4.99k
SW1
GND
C5
100uF
Vin 1
GN
D
2
Vout 3
U1
VCC
GND
GND
D9
C16
10uF D1
GRN
R2
200
GND
VCC
D8
R14
100k
GPIOD
GPIOE
GPIOC
GPIOB
GPIOA
1
2
3
4
5
6
7
8
9
10
J3
TXM
RXMHDR
ON_OFF
1PPS
RFPWRUP
GPIOC
GPIOE
GPIOB
GPIOA
GPIOD
SW3
RXM
RXMHDR
RXMUSB
5V 1
DAT- 2 DAT+ 3 GND 4
GSHD
5
GSHD
6
J2
USB-B
GND
R1
0
RI USBDP 1
USBDM 2
GND 3
VCC 4
SUSP IND 5
RX IND 6
TX IND 7
485 TX 8 DTR 9 CTS 10 RTS 11 DATA OUT 12 DATA IN 13 DSR 14
DCD 15
16
U4
SDM-USB-QS
RXM USB
TXM
+
GND
GND
C4
4.7uF
C2
0.01uF
L1
GND GND GND
R4 10
C6
10pF
/FAULT
R3
100k
SUSP IND
TX IND
RX IND C7
0.1uF
C3
10pF
R5 10
4
5
6
+
VCCU
R7 200
D2 TX_IND
D3 RX_IND
R8 200 IN 1
GND 2
EN 3 /FAULT
ILIM
OUT
U2
TPS2553
GND
/FAULT
SUSP IND
GND
GND
TX IND
RX IND
/FAULT
D4 Over Current
R9 200
C1
0.1uF
R6
53.6k
C17
100uF
GND
+
VCC
GND
C14
10uF
Figure 12: Power Supply Schematic