![](http://datasheet.mmic.net.cn/Microchip-Technology/MCP2210T-I-MQ_datasheet_98949/MCP2210T-I-MQ_3.png)
2011 Microchip Technology Inc.
DS22288A-page 3
MCP2210
1.0
FUNCTIONAL DESCRIPTION
The MCP2210 device is a USB-to-SPI Master
converter
which
enables
USB
connectivity
in
applications that have an SPI interface. The device
reduces external components by integrating the USB
termination resistors.
The MCP2210 also has 256 bytes of integrated user
EEPROM.
The MCP2210 has nine general purpose input/output
pins. Seven pins have alternate functions to indicate
USB and communication status. See
Table 1-1 and
functions.
TABLE 1-1:
PINOUT DESCRIPTION
MCP2210
Symbol
Type
S
tan
dard
Func
tion
(GPIO)
Al
ternat
eFu
nctio
n
1
(Chip
Sele
ct
s)
Al
ternat
eFu
nctio
n
2
(de
d
ic
ated
func
tions
)
Description
QFN
SOIC,
SSOP
14
RST
I—
—
Reset input
2
5
GP0
I/O
GPIO0
CS0
—
General Purpose I/O
3
6
GP1
I/O
GPIO1
CS1
—
General Purpose I/O
4
7
GP2
I/O
GPIO2
CS2
USB Suspend
General Purpose I/O
5
8
GP3
I/O
GPIO3
CS3
SPI Transfer Traffic LED General Purpose I/O
6
9
MOSI
O
—
SPI Master output
7
10
GP4
I/O
GPIO4
CS4
USB Low Power
General Purpose I/O
8
11
SCK
O
—
SPI Clock output
9
12
GP5
I/O
GPIO5
CS5
USB Configured
General Purpose I/O
10
13
MISO
I
—
SPI Master input
11
14
GP6
I/O
GPIO6
CS6
External Interrupt
General Purpose I/O
12
15
GP7
I/O
GPIO7
CS7
SPI Bus Release ACK
General Purpose I/O
13
16
GP8
I/O
GPIO8
CS8
SPI Bus Release REQ
General Purpose I/O
14
17
VUSB
USB
—
USB Regulator output
15
18
D-
USB
—
USB D-
16
19
D+
USB
—
USB D+
17
20
VSS
GND
—
Ground
18
1
VDD
P—
—
Power
19
2
OSC1
I
—
Oscillator input
20
3
OSC2
O
—
Oscillator output