MCP2120-IP datasheet(20/36 Pages) MICROCHIP

номер детали	MCP2120-IP

подробное описание детали	Infrared Encoder/Decoder

PDF	36 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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20 / 36 page

MCP2120

DS21618B-page 20

FIGURE 4-6:

USART ASynchronous Transmission Waveform

TABLE 4-6:

USART ASYNCHRONOUS TRANSMISSION 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

IR100

TTXBIT Transmit 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

—

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

—

TOSC

Hex Command = 0x81

IR101

ETXBIT Transmit (TX pin) Baud rate

Error (into MCP2120)

——

IR102 ETXIRBIT Transmit (TXIR pin) Baud rate

Error (out of MCP2120)(1)

——

IR103

TTXRF TX pin rise time and fall time

—

Note 1: This error is not additive to IR101 parameter.

Note:

Refer to Figure 4-2 for load conditions.

IR103

TX pin

IR100

IR103

IR100

Start Bit

Data Bit

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