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MCP2120-IP 数据表(PDF) 21 Page - Microchip Technology

部件名 MCP2120-IP
功能描述  Infrared Encoder/Decoder
PDF  36 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP2120-IP 数据表(HTML) 21 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS21618B-page 21
MCP2120
FIGURE 4-7:
USART ASynchronous Receive Timing
TABLE 4-7:
USART ASYNCHRONOUS RECEIVE REQUIREMENTS
AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
–40
°C ≤ TA ≤ +85°C (industrial)
Operating Voltage VDD range is described in Section 4.1 “DC
Characteristics”
Param.
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
IR110
TRXBIT Receive Baud Rate
Hardware Selection
768
—
768
TOSC
BAUD2:BAUD0 = 000
384
—
384
TOSC
BAUD2:BAUD0 = 001
192
—
192
TOSC
BAUD2:BAUD0 = 010
128
—
128
TOSC
BAUD2:BAUD0 = 011
64
—
64
TOSC
BAUD2:BAUD0 = 100
Software Selection
BAUD2:BAUD0 = 111
768
—
768
TOSC
Hex Command = 0x87
384
—
384
TOSC
Hex Command = 0x8B
192
—
192
TOSC
Hex Command = 0x85
128
—
128
TOSC
Hex Command = 0x83
64
—
64
TOSC
Hex Command = 0x81
IR111 ERXBIT
Receive (RXIR pin) Baud rate
Error (into MCP2120)
——
1
%
IR112 ERXBIT
Receive (RX pin) Baud rate
Error (out of MCP2120)(1)
——
1
%
IR113 TTXRF
RX pin rise time and fall time
—
—
25
ns
Note 1: This error is not additive to IR111 parameter.
Note:
Refer to Figure 4-2 for load conditions.
IR112
RX pin
IR112
IR110
IR110
IR110
Start Bit
Data Bit
Data Bit
Data Bit
IR110



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