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MCP2210 데이터시트 PDF




Microchip에서 제조한 전자 부품 MCP2210은 전자 산업 및 응용 분야에서
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부품번호 MCP2210 기능
기능 USB-to-SPI Protocol Converter
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MCP2210 데이터시트, 핀배열, 회로
MCP2210
USB-to-SPI Protocol Converter with GPIO (Master Mode)
Features:
Universal Serial Bus (USB)
• Supports Full-Speed USB (12 Mb/s)
• Human Interface Device (HID) device
• 128-Byte Buffer to Handle Data Throughput:
- 64-byte transmit
- 64-byte receive
• Fully Configurable VID, PID Assignments and
String Descriptor (factory programming also avail-
able)
• Bus Powered (factory default) or Self-Powered
(can be selected through special USB
commands)
• USB 2.0 Compliant
USB Driver and Software Support
• Uses Standard HID Drivers (built-in support on
Windows® XP, Vista, 7, Linux and Mac OS®)
• Configuration Utility for Device’s Power-up
Configuration
• Utility for USB-SPI Communication, GPIO
Manipulation and Miscellaneous Features Usage
SPI Master Peripheral
• Supports all Four SPI modes (Mode 0, 1, 2, 3)
• Bit Rates from 1500 bps up to 12 Mbps
• Configurable Delays for SPI Transactions:
- Chip Select (assert) to 1st byte of data delay
- Data to data delay
- Data to Chip Select (de-assert) delay
• SPI Transactions Lengths of up to 65535 Bytes
Long
• Up to 9 Chip Select lines – to be used in any
combination for a given SPI transaction (the Chip
Select lines are shared between GPIOs and
alternate function pins; certain GPs – up to 9 of
them – can be assigned with the Chip Select
functionality)
General Purpose Input/Output (GPIO) Pins
• Nine General Purpose I/O Pins
EEPROM
• 256 Bytes of User EEPROM (accessible through
certain USB commands)
Package Types:
The device will be offered in the following packages:
• 20-lead QFN (5 x 5 mm)
• 20-lead SOIC
• 20-lead SSOP
MCP2210
SOIC, SSOP
VDD 1
OSC1 2
OSC2 3
RST 4
GP0 5
GP1 6
GP2 7
GP3 8
MOSI 9
GP4 10
20 VSS
19 D+
18 D-
17 VUSB
16 GP8
15 GP7
14 GP6
13 MISO
12 GP5
11 SCK
MCP2210
5x5 QFN*
20 19 18 17 16
RST 1
15 D-
GP0 2
GP1 3
GP2 4
EP
21
14 VUSB
13 GP8
12 GP7
GP3 5
11 GP6
6 7 8 9 10
* Includes Exposed Thermal Pad (EP); see Table 1-1.
Other
• USB Activity LED Output
• SSPND Output Pin (to signal USB Suspend state)
• USBCFG Output Pin (indicates when the
enumeration is completed)
• Operating Voltage: 3.3-5.5V
• Oscillator Input: 12 MHz
• Industrial Operating Temperature: -40°C to +85°C
2011 Microchip Technology Inc.
DS22288A-page 1




MCP2210 pdf, 반도체, 판매, 대치품
MCP2210
1.1 Supported Operating Systems
The following operating systems are supported:
• Windows XP/Vista/7
• Linux
• Mac OS
1.1.1 ENUMERATION
The MCP2210 will enumerate as a USB device after
Power-on Reset (POR). The device enumerates as a
Human Interface Device (HID) only.
1.1.1.1 Human Interface Device (HID)
The MCP2210 enumerates as an HID, so the device
can be configured and all the other functionalities can
be controlled. A DLL package that facilitates I/O control
through a custom interface is supplied by Microchip
and is available on the product landing page.
1.2 Control Module
The control module is the heart of the MCP2210. All
other modules are tied together and controlled via the
control module. The control module manages the data
transfers between the USB and the SPI, as well as
command requests generated by the USB host
controller, and commands for controlling the function of
the SPI and I/O.
1.2.1 SPI INTERFACE
The control module interfaces to the SPI and USB
modules.
1.2.2 INTERFACING TO THE DEVICE
The MCP2210 can be accessed for reading and writing
via USB host commands. The device cannot be
accessed and controlled via the SPI interface.
1.3 SPI Module
The MCP2210 SPI module provides the MOSI, MISO
and SCK signals to the outside world. The module has
the ability to control the GP pins (as Chip Select) only if
these pins are configured for Chip Select operation.
1.3.1 SPI MODULE FEATURES
The SPI module has the following configurable
features:
• Bit rates
• Delays
• Chip Select pin assignments (up to 9 Chip Select
lines)
All the above features are available for customization
using certain USB commands.
1.3.2
SPI MODULE POWER-UP
CONFIGURATION
Default parameters:
• 1 Mbit
• 4 bytes to transfer per SPI transaction
• GP1 as Chip Select line
1.4 USB Protocol Controller
The USB controller in the MCP2210 is full-speed USB
2.0 compliant.
• HID only device used for:
- SPI transfers
- I/O control
- EEPROM access
- Chip configuration manipulation
• 128-byte buffer to handle data for SPI transfers
- 64-byte transmit
- 64-byte receive
• Fully configurable VID, PID assignments, string
descriptors (stored on-chip) and chip power-up
settings (default chip settings and SPI transfer
parameters)
• Bus powered or self-powered
1.4.1 DESCRIPTORS
The string descriptors are stored internally in the
MCP2210 and they can be changed so when the chip
enumerates, the host gets the customer’s own product
and manufacturer names. They can be customized to
the user’s needs by using the Microchip provided con-
figuration utility or a custom built application that will
send the proper USB commands for storing the new
descriptors into the chip.
1.4.2 USB EVENTS
The MCP2210 provides support for signaling important
USB-related events such as:
• USB Suspend and Resume – these states are
signaled on the GP2, if the pin is configured for its
dedicated function
- USB Suspend mode is entered when a
suspend signaling event is detected on the
USB bus
- USB Resume is signaled when one of the
following events is occurring:
a) Resume signaling is detected or generated
b) A USB Reset signal is detected
c) A device Reset occurs
• USB device enumerated successfully (this state is
signaled if the GP4 is configured for its dedicated
function)
• USB Low-Power mode
DS22288A-page 4
2011 Microchip Technology Inc.

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MCP2210 전자부품, 판매, 대치품
1.6 GP Module
The GP module features nine I/O lines.
1.6.1 CONFIGURABLE PIN FUNCTIONS
The pins can be configured as:
• GPIO – individually configurable, general purpose
input or output
• Chip Select pins – used by the SPI module
• Alternate function pins – used for miscellaneous
features such as:
- SSPND – USB Suspend and Resume states
- USBCFG – indicates USB configuration
status
- LOWPWR – signals when the host does not
accept the requirements (presented during
enumeration) and the chip is not configured.
In this mode, the whole system powered from
the USB host should draw up to 100 mA.
- External Interrupt Input – used to count
external events
- SPI bus Release Request – used to request
SPI bus access from the MCP2210
- SPI bus Release Acknowledge – used to
acknowledge when the MCP2210 has
released the SPI bus
- LED – indicates SPI traffic led
1.6.1.1 GPIO Pins Function
The GP pins (if enabled for GPIO functionality) can be
used as digital inputs/outputs.
These pins can be read (both inputs and outputs) and
written (only the outputs).
1.6.1.2 Chip Select Pins Function
The GP pins (if enabled for the Chip Select functional-
ity) are controlled by the SPI module. Their Idle/Active
value is determined by the SPI transfer parameters.
1.6.1.3 SSPND Pin Function
The GP2 pin (if enabled for this functionality) reflects
the USB state (Suspend/Resume). The pin is active
‘low’ when the Suspend state has been issued by the
USB host.
Likewise, the pin drives ‘high’ after the Resume state is
achieved.
This pin allows the application to go into Low-Power
mode when USB communication is suspended, and
switches to a full active state when USB activity is
resumed.
MCP2210
1.6.1.4 USBCFG Pin Function
The GP5 pin (if enabled for this functionality) starts out
‘high’ during power-up or after Reset, and goes ‘low’
after the device successfully configures to the USB.
The pin will go ‘high’ when in Suspend mode and ‘low’
when the USB resumes.
1.6.1.5 LOWPWR Pin Function
The GP4 pin (if enabled for this functionality) starts out
‘low’ during power-up or after Reset, and goes ‘high’
after the device successfully configures to the USB.
The pin will go ‘low’ when in Suspend mode and ‘high’
when the USB resumes.
1.6.1.6 External Interrupt Input Pin Function
The GP4 pin (if enabled for this functionality) is used as
an interrupt input pin and it will count interrupt events
such as:
• Falling edges
• Rising edges
• Low-logic pulses
• High-logic pulses
1.6.1.7
SPI Bus Release Request Pin
Function
The GP8 pin (if enabled for this functionality) is used by
an external device to request the MCP2210 to release
the SPI bus. This way, more than one SPI master can
have access to the SPI slave chips on the bus. When
this pin is driven ‘low’, the MCP2210 will examine the
request and, based on the conditions and internal logic,
it might release the SPI bus. If there is an ongoing SPI
transfer taking place at the moment when an external
device requests the bus, MCP2210 will release it after
the transfer is completed or if the USB host cancels the
current SPI transfer.
1.6.1.8
SPI Bus Release Acknowledge Pin
Function
The GP7 pin (if enabled for this functionality) is used by
the MCP2210 to signal back if the SPI bus was
released. When a SPI bus release request is registered
by the MCP2210, based on the condition and internal
logic, the chip might release the bus. The bus is
released immediately if there is no SPI transfer taking
place, or it will do so after the current SPI transfer is
finished or cancelled by the USB host.
1.6.1.9 LED Pin Function
The GP3 pin (if enabled for this functionality) is used as
an SPI traffic indication. When an SPI transfer is taking
place (active state for this pin), this pin will be driven
‘low’. When there is no SPI traffic taking place, the pin
is in its inactive state or logic ‘high’.
2011 Microchip Technology Inc.
DS22288A-page 7

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MCP2210

USB-to-SPI Protocol Converter

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