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SCC2698BC1A84 - NXP
Manufacturer:
NXP
ManyChip's Part#:
MC211855496
Category:
UART Chip, UART Interface IC
Package:
PLCC-84
Datasheet:
Datasheet 3D Model
Description:
Enhanced octal universal asynchronous receiver/transmitter (Octal UART)
Stock Locations:
Availability:
204 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 21.08

Updated at 17/06/2025 10:30:15(UTC+8)

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Description

Overview
The SCC2698B Enhanced Octal Universal Asynchronous Receiver/Transmitter (Octal UART) is a single chip MOS-LSI communications device that provides eight full-duplex asynchronous receiver/transmitter channels in a single package. It is fabricated with CMOS technology which combines the benefits of high density and low power consumption.
The operating speed of each receiver and transmitter can be selected independently as one of 26 fixed baud rates, a 16X clock derived from a programmable counter/timer, or an external 1X or 16X clock. The baud rate generator and counter/timer can operate directly from a crystal or from external clock inputs. The ability to independently program the operating speed of the receiver and transmitter make the Octal UART particularly attractive for dual-speed channel applications such as clustered terminal systems.
The receiver is quadruple buffered to minimize the potential of receiver overrun or to reduce interrupt overhead in interrupt driven systems. In addition, a handshaking (RTS/CTS) capability is provided to disable a remote UART transmitter when the receiver buffer is full.
The UART provides a power-down mode in which the oscillator is frozen but the register contents are stored. This results in reduced power consumption on the order of several magnitudes. The Octal UART is fully TTL compatible and operates from a single +5V power supply.
The SCC2698B is an upwardly compatible version of the 2698A Octal UART. In PLCC packaging, it is enhanced by the addition of receiver ready or FIFO full status outputs, and transmitter empty status outputs for each channel on 16 multipurpose I/O pins. The multipurpose pins of the 2698B RIO pins, thus DMA and modem control is provided.
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## Features
* Eight full-duplex independent asynchronous receiver/transmitters
* Quadruple buffered receiver data register
* Programmable data format:
* 5 to 8 data bits plus parity
* Odd, even, no parity or force parity
* 1, 1.5 or 2 stop bits programmable in 1/16-bit increments
* Baud rate for the receiver and transmitter selectable from:
* 26 fixed rates: 50 to 38.4K baud
Non-standard rates to 115.2K baud
* User-defined rates from the programmable counter/timer
associated with each of four blocks
* External 1x or 16x clock
* Parity, framing, and overrun error detection
* False start bit detection
* Line break detection and generation
* Programmable channel mode
* Normal (full-duplex), automatic echo, local loop back, remote loopback
* Four multi-function programmable 16-bit counter/timers
* Four interrupt outputs with eight maskable interrupting conditions for each output
* Receiver ready/FIFO full and transmitter ready status available on 16 multi-function pins in PLCC package
* On-chip crystal oscillator
* TTL compatible
* Single +5V power supply with low power mode
* Eight multi-purpose output pins
* Sixteen multi-purpose I/O pins
* Sixteen multi-purpose Input pins with pull-up resistors
## Features

Show

SCC2698BC1A84 Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	84 Pin
Case/Package	PLCC-84
Supply Voltage (DC)	5.00 V
Data Rate	115 kbps
	Show
Product Lifecycle Status	Unknown
Packaging	Tube, Rail
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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