SN65C3232EPW

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	2/2
Duplex:	Full
Receiver Hysteresis:	300mV
Data Rate:	1Mbps
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	SN65C3232E

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The SN65C3232EPW, manufactured by Texas Instruments (TI), is an integrated half-duplex transceiver designed for the operation of two-wire, half-duplex communication. The device supports data rates up to 625 Kbps and can be used in any data transmission application requiring minimal interface components. The transceiver, ideal for large systems and employing no pull-up resistors, features low power, low cost, and reliability.The SN65C3232EPW integrates multiple analog and digital features such as receiving, transmitting, controlling, clocking, and data storage functions into a single chip. Thus, a designer is able to create a complete two-wire half-duplex-data link with minimal external components. The device consists of a receiver, a transmitter, and digital logic with associated logic controls, as well as an on-chip voltage regulator, digital and analog trimming option, and differential receiver inputs. As mentioned, the SN65C3232EPW has an operational data rate of up to 625 Kbps and is primarily used for two-wire buses. It was designed for applications such as industrial control systems and point-of-sale (POS) systems. Its two-wire half-duplex communication supports a wide variety of devices and protocols, from direct communication to communication between multiple devices on a single bus.In terms of the working principle, the SN65C3232EPW employs the concept of half-duplex communication with two-wire signal lines that both transmit and receive data. Upon receiving a signal, the device initiates a data transfer cycle. The transmitter then proceeds to transmit data bits without regard to any intervening data, until it is interrupted by the receiver. The receiver then halts the transmission and stores the information in its receive register.The transmitter of the SN65C3232EPW is fed with serial data from a microcontroller or a logic circuit. The rising edge of the clock signal starts the transmitter operation and the data is transmitted bit-by-bit. After the entire word is transmitted, the transmitter stops and the receiver takes over to receive the data.At the end of the reception cycle, the received data is latched in the device\'s receive register. The received data can be clocked out on the RISING edge of the serial clock, with the Enable output high. The Enable goes low after the reception of a valid word.In conclusion, the SN65C3232EPW is a half-duplex transceiver that features integrated features for operating two-wire, half-duplex communication. It employs a data rate up to 625 Kbps and can be used in both industrial control systems and point-of-sale systems. Additionally, its working principle involves the transmission of data bits without regard to intervening data by the transmitter and the data being stored in the receiver register when reception is complete. It is an extremely reliable and cost effective transceiver, ideal for large systems and requiring minimal external components.

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