Datasheet

Maxim Integrated │ 10
MAX31865 Evaluation Kit Evaluates: MAX31865
www.maximintegrated.com
Figure 5. MAX31865 EV Kit Schematic (Sheet 2 of 2)
MCLR
1
P3,HB
2
COM_LED,BOOT
3
P1
4
P2
5
RCV
6
P6, CS
7
GND
8
OSC1
9
OSC2
10
P4
11
UOE
12
PS_VAR
13
VUSB
14
D-,VM
15
D+,VP
16
ENUM
17
P9,SDO
18
GND
19
VDD
20
P11,SDI,SDA
21
P10,SCK,SCL
22
VMO
23
VPO
24
USB_DET
25
P5
26
P7,1W_DQ
27
P8,1W_PU
28
U20 PICfor DS3900
Vbus
1
D-
2
D+
3
I.D.
4
GND
5
J20 USB_5PIN
R203 560 R2010 R2020
R211 330
R212 330
R213 2.2K
R214 0
C204 10uF
C212 0.1uF
C211
1.0uF
C202
10uF
C201
10uF
C213
220nF
C214 10nF D- D+
VBUS
5V
3.3V_MASTER
12
D22
3.3V_MASTER
3.3V_MASTER
D+ D-
TP10
3.3V_MASTER
R210 4.7K C215 DNP
1 2
J21 DNP
VPP
OSC1
HB COM
Green
D21B
Red
D21A COM
INH
1
GND
2
OUT
3
VCC
4
I
N
I
I
H
GN
D
O
U
T
V
C
C
X1 OSC_CMOS_4pin
3.3V_MASTER
CLK
3.3V_MASTER
R204
56k
Red D20A
Green
D20B
R205
560
C203 10nF
R207 10k R206 45k
OUT
1
GND
2
SETI
3
ON
4
IN
5
FLAG
6
OU
T
GN
D
S
E
T
I
O
N
I
N
I
I
F
L
A
G
U21 MAX4995A
EP
9
IN
1
GND
2
EN
3
GS
4
POK
5
FB
6
BYP
7
OUT
8
E
P
I
N
I
I
GN
D
E
N
G
S
P
O
K
F
B
B
Y
P
OU
T
E
P
U22 MAX8902B
USB-to-SPI Master
SCLK_MASTER SDI_MASTER SD0_MASTER
CS#_MASTER
DRDY#_MASTER
MISO
MOSI
SCLK
MISO MOSI
CS#
GND
GND
GND
GND
GND
TP11GND
GND