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MCP2140-IP датащи(PDF) 36 Page - Microchip Technology

номер детали MCP2140-IP
подробное описание детали  IrDA짰 Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate
PDF  58 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP2140-IP датащи(HTML) 36 Page - Microchip Technology

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MCP2140
DS21790A-page 36
Preliminary
 2003 Microchip Technology Inc.
FIGURE 4-9:
RXPD/RXPDREF WAVEFORMS
TABLE 4-9:
RXPD/RXPDREF REQUIREMENTS
AC Specifications
Electrical 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
Param.
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
IR110A TRXPDBIT Receive Baud Rate
768
—
768
TOSC
BAUD = 9600
IR131A TRXPDPW RXPD pulse width
0.01
—
1.5
µs
IR132
TRXPDP RXPD/RXPDREF bit period (1)
—
16
—
TBITCLK
IRD060 VRXPDD
∆ Quiescent Delta Voltage
between RXPD and
RXPDREF
20
—
—
mV
IRD061 VRXPDE IR Pulse Detect Delta Voltage
(RXPD to RXPDREF)
30
—
—
mV
RXPD signal must cross
RXPDREF signal level
IR133
TRESP
Response Time (2)
—
—
400 *
ns
* These parameters characterized but not tested.
Note 1: TBITCLK = TRXBIT/16.
2: Response time measured with RXPDREF at (VDD - 1.5V)/2, while RXPD transitions from VSS to VDD.
BITCLK
RXPD
01
0
0
0
1
IR131A
IR110A
IR131B
IR131B
IR131B
IR131B
IR131B
IR131B
Start Bit
Data bit 7
Data bit 6
Data bit 5
Data bit ...
Start Bit
Data bit 7
Data bit 6
Data bit 5
Data bit ...
RXPDREF
RXPD
RXPDREF
IRD160
IRD161
RXPD
RXPDREF
IRD160
IRD161



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