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| 型號： | MCP25055T-I/SL |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO14 |
| 封裝： | 0.150 INCH, PLASTIC, SOIC-14 |
| 文件頁數(shù)： | 12/64頁 |
| 文件大小： | 1232K |
| 代理商： | MCP25055T-I/SL |
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MCP2502X/5X
DS21664C-page 2
2003 Microchip Technology Inc.
Package Types
Definition of Terms
The following terms are used throughout this
document:
I/O Expander - refers to the integrated circuit (IC)
device being described (MCP2502X/5X).
Input Message - term given to messages that are
received by the MCP2502X/5X and cause the internal
registers to be modified. Once the register modification
has been performed, the MCP2502X/5X transmits a
Command Acknowledge message to indicate that the
command was received and processed.
Command Acknowledge Message - term given to the
message that is automatically transmitted by the
MCP2502X/5X after receiving and processing an input
message.
Information Request Message - term given to
Remote Request messages that are received by the
MCP2502X/5X that subsequently generate an output
message (data frame) in response.
Output Message - term given to the message that the
MCP2502X/5X sends in response to an Information
Request message.
On Bus Message - term given to the message that the
MCP2502X/5X transmits after completing the power-on/
self-configuration sequence at timed intervals, if
enabled.
Self-Configuration - term used to describe the
process of transferring the contents of the EPROM
memory array to the SRAM memory array.
On Bus - term used to describe the condition when the
MCP2502X/5X is fully-configured and ready to
transmit, or receive, on the bus. This is the only state in
which the MCP2502X/5X can transmit on the bus.
Edge Detection - refers to the MCP2502X/5X’s ability
to automatically transmit a message based upon the
occurance of a predefined edge on any digital input.
Threshold Detection - refers to the MCP2502X/5X’s
ability to automatically transmit a message when a
predefined analog threshold is reached.
GP0/AN0
GP1/AN1
VDD
TXCAN/TXRXCAN*
RXCAN/NC*
GP5/VREF+
1
2
3
4
GP4/VREF-
GP6/CLKOUT
14
13
12
11
10
GP3/AN3/PWM2
OSC1/CLKIN
GP2/AN2/PWM1
5
6
7
8
9
OSC2
VSS
GP7/RST/VPP
PDIP/SOIC
* One-wire option available on MCP250X5 devices.
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