Isolation, Rs485, Usb spi & uart – Maxim Integrated 78M6610+LMU Evaluation Kit User Manual
Page 27

78M6610+LMU Evaluation Kit User Manual
Rev 1
27
J12
CON3
1
2
3
R45
0
0603
C24
0.1uF
0603
R52
120
0805
R57
1K
0603
U3
FT2232C
TQFP48
USBDM 8
3V3OUT
6
USBDP
7
AD0
24
RSTOUTB 5
TEST
47
AVCC
46
AGND
45
RESETB
4
XTIN
43
XTOUT
44
EECS
48
EESK
1
EEDATA
2
VCC
1
3
VCC
2
42
VCCIOA
14
VCCIOB
31
GND
1
9
GND
2
18
GND
3
25
GND
4
34
AD1
23
AD2
22
AD3
21
AD4
20
AD5
19
AD6
17
AD7
16
AC0
15
AC1
13
AC2
12
AC3
11
S1/WUA
10
BD0
40
BD1
39
BD2
38
BD3
37
BD4
36
BD5
35
BD6
33
BD7
32
BC0
30
BC1
29
BC2
28
BC3
27
SI/WUB
26
PWREN 41
Y2
CSTCRG6M00
CSTCR
2
3
1
U7
IL516-3E
GND1
2
IN2
4
OUT4
6
NC 10
IN4 11
OUT1 14
VDD1
1
GND2 15
IN1
3
OUT3
5
NC
7
GND2 9
OUT2 13
IN3 12
GND1
8
VDD2 16
R56
1K
0603
J38
CON2
SIP100P2
1
2
J17
CON3
1
2
3
C28
0.1uF
0603
J28 CON2
SIP100P2
1
2
R55
NC
0603
C23
0.1uF
0603
U11
MAX13433EESD+
VL
1
RO
2
DE
3
RE
4
DI
5
GND
6
NC
7
GND 8
Y
9
Z
10
B
11
A
12
NC 13
VCC 14
C27
10uF
0805
445-3458-1-ND
R59
120
0805
R58
1K
0603
C31
0.1uF
0603
R47
2.2K
0603
C29
0.1uF
0603
J18
CON3
1
2
3
U8
IL510-3E
VDD1 2
IN1
1
GND1 4
OUT1
8
VDD2
7
GND2
5
OUT2 3
IN2
6
J21
CON6
USBB
1
2
3
4
5
6
R40
0
0603
C25
0.033uF
0603
C21
10uF
0805
445-3458-1-ND
R50
1M
0603
VR2
VBT1-5V
NC
1
3
VOUT
5
VIN
2
VGND
4
GND 1
NC
2
6
NC
3
7
NC
4
8
R41
470
0603
J27
CON2
SIP100P2
1
2
C20
10uF
R49
0
0603
R46
2.2K
0603
C30
1uF
0603
R43
10K
0603
R54
10K
0603
J16
CON6
SIP100P6
1
2
3
4
5
6
J29
CON2
SIP100P2
1
2
R53
10K
0603
C26
0.1uF
0603
J22
CON4
1
2
3
4
5
6
R42
10K
0603
C22
0.1uF
0603
GND
GND
+5VISO
5VIN
GND
5VIN
UGND
SSBin
MOSIin
SSB
SCKin
5VIN
RS485RX
RS485Y
GND
5VIN
MISOout
RS485TXEN
UGND
SPCK
SSBout
MOSIF
SDI
5VIN
SDO
GND
UGND
GND
GND
USBDM
USB3
UGND
UGND
RSTOB
UGND
UGND
AVCC
XTI
XTO
UGND
UGND
UGND
USBDP
RXFTDI
MISOF
SSBF
5VUSB
RS485TXENout
RS485TXENout
RS485Z
RS485B
RS485A
V3P3
V3P3
V3P3
SDI
SSB
+5VISO
SDO
SPCK
MOSI
SSB/TXEN
Isolation
Optional External I2C or SPI
Do NOT apply +5VDC to
J22-1 when USB cable is
attached to J21.
RS485
MISO
SCK
RS485/SPI
Select
RS485/SPI
Select
RS485
TXen/
SSB
Select
SCKout
MISOin
USB
SPI &
UART
500 ma Max
1K
RE-WORK
0603
Figure 7: 78M6610+LMU Evaluation Board Electrical Schematic (4 of 4)