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DIGITAL
5
752027 SCH 2 OF 4
J11
1
2
USB1 -
USB -
USB +
USB1 +
3
4
TCK
TCK
GND
5
6
TMS
TMS
GND
7
8
TDO
TDO
GND
9
10
TDI
TDI
GND
11
12
EXT RXD
TXD
GND
13
14
EXT TXD
RXD
NRST
NRST
15
16
TST
+3.3V
+3 .3V BU
C45
OPEN
GP8
6-32
C46
OPEN
GP4
+3 .3V M
6-32
+3 .3V BU
L4
L M ET +
J10:5
6
L MET +
R55
10k
1
Q7
MET ENA
L M ET -
J10:6
6
L MET -
R M ET +
C52
6
R MET +
.1µF
J10:21
R56
10k
1
Q8
R M ET -
J10:20
R MET -
6
PB D ET
J10:19
PB D ET
6
+3. 3VBU
J10:15
6
+3 .3V BU
FR IR
J10:16
FR IR
6
C AR A
J10:22
C AR A
6
C AR B
J10:23
C AR B
6
IN P A
J10:1
IN P A
6
IN P B
J10:2
IN P B
6
ST BY
J10:17
ST BY
6
FP R ST
J10:18
FP R ST
6
M ET LT S
J10:4
M ET LT S
6
PAN LT S
J10:3
PAN LT S
6
+5VF D
J10:10
6
J10:11
U18
1
Vc c
VF D C L
J10:14
VF D C L
4
6
2
GND
VF D D A
J10:12
VF D D A
6
VF D C S
J10:13
VF D C S
6
FR ON T R XD
J10:7
TXD
6
FR ON T TXD
J10:8
RXD
6
GN D
J10:9
6
D GN D
+3 .3V M
R59
22.1
USB1 -
USB1 +
R60
22.1
E RA S E
C59
12pF
Y1
12.00MHz
C60
12pF
+1 .2V M
+3 .3V M
+1 .2V M
C56
C58
.1µF
.1µF
R57
10
1
ADVREF
2
GND
C53
3
.1µF
PB0/AD4
R58
4
2.21k
PB1/AD5
5
PB2/AD6
6
PB3/AD7
7
VDDIN
8
VDDOUT
9
+1 .2V M
PA17/PGMD5/AD0
10
PA18/PGMD6/AD1
11
PA21/PGMD9/AD8
12
VDDCORE
13
ML IN
PA19/PGMD7/AD2
14
PA22/PGMD10/AD9
15
C54
REAR IR
PA23/PGMD11
.1µF
16
PA20/PGMD8/AD3
C57
.1µF
+3 .3V M
+5 V FD
.1µF
C24
U19
1
Vc c
4
2
GND
U20
1
Vc c
4
2
+3 .3V BU
GND
TXD
L14
EXT TXD
RXD
EXT RXD
DGND
L13
41
MP1100
+3 .3V M
TCK
TMS
TDO
4.75k
TDI
S1
C61
.1µF
R61
1k
+3 .3V M
C65
.1µF
48
PA0/PGMEN0
USB ENA
47
PA1/PGMEN1
USB SW
46
GND
45
VDDIO
+3 .3V M
44
PA2/PGMEN2
43
PA3
I2C DA
42
PA30
41
PA29
U21
40
TST
39
NRST
38
PA28
37
PA27/PGMD15
36
PA4/PGMNCMD
I2C CL
35
PA5/PGMRDY
34
PA6/PGMNOE
33
TDI/PB4
RE S E T
S2
C64
+1 .2V M
+3 .3V M
.1µF
C62
C63
.1µF
.1µF
+3 .3V M
+3 .3V M
R62
U22
47.5k
R65
+1 .2V M
1
10k
Vcc
4
1
Q11
2
GND
+5 V FD
+5 V FD
+5 V FD
+5 V FD
Q9
Q10
1
1
4.75k
4.75k
R64
R63
MET ENA
RS 232
U41
18
1
SD
EN
C33
C43
17
2
Vcc
C1+
.1µF
.1µF
Q15
16
3
1
GND
V+
15
4
T1out
C1-
14
5
R1in
C2+
Q16
C34
C44
13
6
R1out
C2-
.1µF
1
.1µF
12
7
T1in
V-
10k
11
8
R113
T2in
T2out
C25
10
9
R2out
R2in
.1µF
+3 .3V BU
+3 .3V M
+3 .3V BU
+3 .3V BU
+3 .3V BU +3 .3V BU
C66
.1µF
4.75k
4.75k
R69
R71
R66
R67
4.75k
U23
1
8
VCC(A)
VCC(B)
2
7
SCLA
SCLB
3
6
SDAA
SDAB
4
5
GND
EN
+3 .3V BU
U24
8
1
+3.3VBU
VC C
A0
7
2
W P
A1
C70
6
3
.1µF
SC L
A2
5
4
SD A
GN D
+3 .3V BU
U28
1
Vcc
4
2
GND
+3 .3V BU
+3 .3V BU
+3 .3V BU
+3 .3V BU +3 .3V BU
C67
.1µF
4.75k
4.75k
R70
R72
U25
1
8
VCC(A)
VCC(B)
2
7
SCLA
SCLB
3
6
SDAA
SDAB
4
5
GND
EN
+3 .3V BU
U29
1
Vc c
4
+3 .3V BU
2
GND
C68
+3. 3VBU
.1µF
+3 .3V BU
U26
1
16
+3 .3V BU
SC L
VD D
U30
2
15
SD A
R ST
3
14
A0
IO7
1
Vc c
4
13
4
A1
IO6
2
5
12
GND
A2
IO5
6
11
IO0
IO4
7
10
USB RST
IO1
IO3
DA RST
8
9
VSS
IO2
DA 192
A = 0 0 0 (0)
+3 .3V BU
+3 .3V BU
1
Vcc
C69
4
.1µF
2
GND
+3 .3V BU
+3 .3V BU
U31
U27
1
16
SC L
VD D
2
15
SD A
R ST
3
14
A0
IO7
4
13
A1
IO6
R118
5
12
A2
IO5
100k
6
11
IO0
IO4
7
10
IO1
IO3
8
9
VSS
IO2
A = 1 1 1 (7)
R112
10k
Q12
1
1
42
J12:1
I2C CL
3
J12:2
I2C DA
3
+3. 3VBU
3
L31
J12:4
J12:5
+5V
3
L27
J12:6
J12:7
D GN D
3
J12:8
J12:9
+17VL
3
L28
J12:10
J12:11
-17VL
3
L29
J12:12
J12:13
L AU D D ET
3
J12:14
L MET +
3
J12:15
L MET -
3
J12:16
+5VAD C
3
L5
J12:17
A DC L+
L ADC +
3
A DC L-
J12:18
L ADC -
3
J13:1
R I2C C L
2
J13:2
R I2C D A
2
+3. 3VBU
2
J13:4
L30
PWR RLY
J13:5
+5V
2
L26
J13:6
J13:7
D GN D
2
J13:8
J13:9
+17VR
2
L32
J13:10
LV PS
J13:11
-17VR
2
L33
J13:12
J13:13
R AU D D ET
2
J13:14
R MET +
2
ADC PS
J13:15
R MET -
2
J13:16
+5VAD C
2
L6
J13:17
R ADC +
2
J13:18
A DC R -
R ADC -
2
Q13
Q14
1
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