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SC28L92A1A,529 Datasheet PDF - NXP
Manufacturer: | NXP |
Category: | UART Interface Ics |
Case Package: | LCC-44 |
Description: | UART 2CH 16Byte FIFO 3.3V/5V 44Pin PLCC |
Documentation: | SC28L92A1A,529 Datasheet (73 Pages)Pinout Diagram on6 Page9 Page10 Page11 Page12 PageHot Package Outline Dimension on65 Page66 Page67 Page Part Numbering System on3 Page |
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SC28L92A1A,529 Datasheet PDF
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SC28L92A1A,529 Datasheet PDF (73 Pages)
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SC28L92A1A,529 Specifications
TYPE | DESCRIPTION |
---|---|
Mounting Style | Surface Mount |
Number of Pins | 44 Pin |
Supply Voltage (DC) | 2.97V (min) |
Case/Package | LCC-44 |
Number of Channels | 2 Channel |
Power Dissipation | 2400 mW |
Data Rate | 1.00 Mbps |
Operating Temperature (Max) | 85 ℃ |
Operating Temperature (Min) | -40 ℃ |
Power Dissipation (Max) | 2400 mW |
Supply Voltage | 3.3V, 5V |
Supply Voltage (Max) | 3.63V, 5.5V |
Supply Voltage (Min) | 2.97V, 4.5V |
SC28L92A1A,529 Size & Package
TYPE | DESCRIPTION |
---|---|
Product Lifecycle Status | Active |
Packaging | Tube |
Size-Length | 16.66 mm |
Size-Width | 16.66 mm |
Size-Height | 3.69 mm |
Operating Temperature | -40℃ ~ 85℃ |
SC28L92A1A,529 Environmental
SC28L92A1A,529 Function Overview
Overview
●The SC28L92 is a pin and function replacement for the SCC2692 and SC26C92 operating at 3.3 V or 5 V supply with added features and deeper FIFOs. Its configuration on power-up is that of the SC26C92. Its differences from the SCC2692 and SC26C92 are: 16 character receiver, 16 character transmit FIFOs, watchdog timer for each receiver, mode register 0 is added, extended baud rate and overall faster speeds, programmable receiver and transmitter interrupts. (Neither the SC26C92 nor the SCC2692 is being discontinued.)
●Pin programming will allow the device to operate with either the Motorola or Intel bus interface. The bit 3 of the MR0A register allows the device to operate in an 8 byte FIFO mode if strict compliance with the SC26C92 FIFO structure is required.
●The NXP Semiconductors SC28L92 Dual Universal Asynchronous Receiver/Transmitter (DUART) is a single-chip CMOS-LSI communications device that provides two full-duplex asynchronous receiver/transmitter channels in a single package. It interfaces directly with microprocessors and may be used in a polled or interrupt driven system with modem and DMA interface.
●The operating mode and data format of each channel can be programmed independently. Additionally, each receiver and transmitter can select its operating speed as one of 28 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 DUART particularly attractive for dual-speed channel applications such as clustered terminal systems.
●Each receiver and transmitter is buffered by 8 or 16 character FIFOs to minimize the potential of receiver overrun, transmitter underrun and to reduce interrupt overhead in interrupt driven systems. In addition, a flow control capability is provided via RTS/CTS signaling to disable a remote transmitter when the receiver buffer is full.
●Also provided on the SC28L92 are a multipurpose 7-bit input port and a multipurpose 8-bit output port. These can be used as general purpose I/O ports or can be assigned specific functions (such as clock inputs or status/interrupt outputs) under program control.
●The SC28L92 is available in three package versions: PLCC44, QFP44, and HVQFN48.
●MoreLess
●## Features
● Member of IMPACT family: 3.3 V to 5.0 V, -40 Cel to +85 Cel and 68xxx or 80xxx bus interface for all devices
● Dual full-duplex independent asynchronous receiver/transmitters
● 16 character FIFOs for each receiver and transmitter
● Pin programming selects 68xxx or 80xxx bus interface
● Programmable data format
● 5 data to 8 data bits plus parity
● Odd, even, no parity or force parity
● 1 stop, 1.5 stop or 2 stop bits programmable in 1/16-bit increments
● 16-bit programmable counter/timer
● Programmable baud rate for each receiver and transmitter selectable from:
● 28 fixed rates: 50 kBd to 230.4 kBd
● Other baud rates to 1 MHz at 16x
● Programmable user-defined rates derived from a programmable counter/timer
● 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 loopback
● Remote loopback
● Multi-drop mode (also called wake-up or 9-bit)
● Multi-function 7-bit input port (includes IACKN)
● Can serve as clock or control inputs
● Change of state detection on four inputs
● Inputs have typically > 100 kΩ pull-up resistors
● Change of state detectors for modem control
● Multi-function 8-bit output port
● Individual bit set/reset capability
● Outputs can be programmed to be status/interrupt signals
● FIFO status for DMA interface
● Versatile interrupt system
● Single interrupt output with eight maskable interrupting conditions
● Output port can be configured to provide a total of up to six separate interrupt outputs that may be wire ORed
● Each FIFO can be programmed for four different interrupt levels
● Watchdog timer for each receiver
● Maximum data transfer rates: 1x - 1 Mbit/s, 16x - 1 Mbit/s
● Automatic wake-up mode for multi-drop applications
● Start-end break interrupt/status
● Detects break which originates in the middle of a character
● On-chip crystal oscillator
● Power-down mode
● Receiver time-out mode
● Single 3.3 V or 5 V power supply
● Powers up to emulate SC26C92
●## Features
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NXP
NXP SC28L92A1B,528UART Interface, 2Channel, 1Mbps, 2.97V, 3.63V, QFP, 44Pins
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