Microchip Technology MCP2221 User Manual

MCP2221 I
2
C Demonstration Board User’s Guide
DS50002480A-page 46  2016 Microchip Technology Inc.
A.2 BOARD – INTERFACE SCHEMATIC
VDD
1
GP0
2
GP1
3
RST
4
UART RX
5
UART TX
6
GP2
7
GP3
8
SDA
9
SCL
10
VUSB
11
D-
12
D+
13
VSS
14
VDD
G
P0
G
P1
RS
T
UA
RT RX
U
ART TX
G
P2
G
P
3
S
D
A
SCL
V
U
S
B
D-
D
+
VSS
U3
MCP2221
ID
4
VBUS
1
GND
5
D-
2
D+
3
0
USB Mini-B
J4
GND
D_N
D_ND_P
D_P
VDD
5V
VUSB
SCL
SDA
GP3
GP0
GP1
RESET
RX_MCP
TX_MCP
GP2
GND
VIN
1
GND
2
VOUT
3
U2
MCP18255V
4.7uF
10V
0603
C15
GNDGND
0.1uF
16V
0603
C16
GND
1
1
2 3
HDR-2.54 Male 1x3
J19
4.7uF
10V
0603
C17
GND
VDD
5V
10k
0603
5%
R2
VDD
SCL SDA
10k
0603
1%
R3
10k
0603
1%
R5
GND
TP LOOP Black
TP1
12
HDR-2.54 Female 1x2
J13
GND
TP LOOP Black
TP2
10k
0603
1%
R4
0.1uF
16V
0603
C14
0.47uF
6.3V
0603
C2
VDD
GND GND
USB connector for MCP2221 Power module I2C Pull-Up Resistors
470k
0603
1%
R6
4.7k
0603
5%
R10
4.7k
0603
5%
R11
12
HDR-2.54 Male 1x2
J24
GND
VDD
1
2
3
4
5
6
HDR-2.54 Female 1x6
J25
SDA
SCL
TP LOOP Black
TP7
TP LOOP Black
TP6
SCL
SDA
TP LOOP Black
TP8
GND
MCP2221 and R/C measurement circuit I2C bus pinouts
1
2
3
4
5
6
7
8
9
DE-9 Female
J5
1
1
2
34
56
78
HDR-2.54 Male 2x4
J12
TX_MAX
RX_MAX
RX_MAX TX_MAX
TX_PIC/RB7
TX_MCP
GND
0.1uF
16V
0603
C6
GND
VDD
0.1uF
16V
0603
C4
0.1uF
16V
0603
C5
GND
0.1uF
16V
0603
C1
0.1uF
16V
0603
C3
MAX3232 UART adapter and RS-232 connector
RX_MCP
RX_PIC/RB5
UART connectivity selection jumpers
4
5
6
7
8
9
10
16
15
14
13
12
11
17
1
2
3
19
18
20
J1
VDD
RA5
RA4
MCLR/RA3
RC5
RC4
RC3
RC6
RC7
TX_PIC/RB7
VSS
RA0/ICSPDAT
RA1/ICSPCLK
RA2
RC0
RC1
RC2
RB4
RX_PIC/RB5
RB6
GND
10k
0603
5%
R1
2 1
43
GREEN
RED
BLUE
5 6
CLX6A-FKB-CK1P1G1BB7R3R3
LD1
LED_RGB
GND
12
HDR-2.54 Male 1x2
J14
12
HDR-2.54 Male 1x2
J9
12
HDR-2.54 Male 1x2
J6
SCL
SDA
IO_INT
PIC16F1509 microcontroller
1
2
3
4
5
6
HDR-2.54 Male 1x6
J23
MCLR/RA3
VDD VDD
VSS
RA0/ICSPDAT
RA1/ICSPCLK
RA2
1.5k
0603
5%
R7
3.3k
0603
5%
R8
2.7k
0603
5%
R9
12
HDR-2.54 Male 1x2
J15
ICSP connector
MCP23008 interrupt pin to PIC
VDD
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
DOUT2
7
RIN2
8
ROUT2
9
DIN2
10
DIN1
11
ROUT1
12
RIN1
13
DOUT1
14
GND
15
VCC
16
C
1
+
V+
C
1
-
C
2
+
C
2
-
V-
DOUT
2
RI
N2
RO
UT
2
D
I
N
2
D
I
N1
ROU
T1
R
I
N1
DOU
T1
G
N
D
VCC
MAX3232
U1
VUSB
0.1uF
16V
0603
C21
GND

Microchip Technology MCP2221 Specifications

General

Brand	Microchip Technology
Model	MCP2221
Category	Motherboard
Language	English