SCN68681C1A44

Name: SCN68681C1A44
Brand: Philips
Rating: 4.5 (10 reviews)
Author: Lisleapex

2 Channel(s) 1M Bps Serial Comm Controller PQCC44

5,537 有效庫存

SCN68681C1A44

有效庫存5,537

2 Channel(s) 1M Bps Serial Comm Controller PQCC44

製造商零件號 # : SCN68681C1A44
包裝/封裝: PLCC-44
製造商: Philips

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SCN68681C1A44 數據表

目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!

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SCN68681C1A44 詳細說明

The Philips Semiconductors SCN68681 Dual Universal Asynchronous Receiver/Transmitter (DUART) is a single-chip MOS-LSI communications device that provides two independent full-duplex asynchronous receiver/transmitter channels in a single package. It is compatible with other S68000 family devices, and can also interface easily with other microprocessors. The DUART can be used in polled or interrupt driven systems.FEATURES• S68000 bus compatible• Dual full-duplex asynchronous receiver/transmitter• Quadruple buffered receiver data registers• 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• Programmable baud rate for each receiver and transmitter selectable from: – 22 fixed rates: 50 to 115.2k baud – Non-standard rates to 115.2kb – Non-standard user-defined rate derived from programmable counter/timer – External 1X or 16X clock• 16-bit programmable Counter/Timer• 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-function programmable 16-bit counter/timer• Multi-function 6-bit input port – Can serve as clock or control inputs – Change-of-state detection on four inputs – 100kΩ typical pull-up resistors• Multi-function 8-bit output port – Individual bit set/reset capability – Outputs can be programmed to be status/interrupt signals• Versatile interrupt system– Single interrupt output with eight maskable interrupting conditions – Interrupt vector output on interrupt acknowledge – Output port can be configured to provide a total of up to six separate wire-ORable interrupt outputs• Maximum data transfer rates: 1X - 1MB/sec, 16X - 125kB/sec• Automatic wake-up mode for multidrop applications• Start-end break interrupt/status• Detects break which originates in the middle of a character• On-chip crystal oscillator• Single +5V power supply• Commercial and industrial temperature ranges available• DIP and PLCC packages

主要特徵

S68000 bus compatible
Dual full-duplex asynchronous receiver/transmitter
Quadruple buffered receiver data registers
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
Programmable baud rate for each receiver and transmitter selectable from:
– 22 fixed rates: 50 to 115.2k baud
– Non-standard rates to 115.2kb
– Non-standard user-defined rate derived from programmable counter/timer
– External 1X or 16X clock
16-bit programmable Counter/Timer
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-function programmable 16-bit counter/timer
Multi-function 6-bit input port
– Can serve as clock or control inputs
– Change-of-state detection on four inputs
– 100kΩ typical pull-up resistors
Multi-function 8-bit output port
– Individual bit set/reset capability
– Outputs can be programmed to be status/interrupt signals
Versatile interrupt system
– Single interrupt output with eight maskable interrupting conditions
– Interrupt vector output on interrupt acknowledge
– Output port can be configured to provide a total of up to six separate wire-ORable interrupt outputs
Maximum data transfer rates: 1X - 1MB/sec, 16X - 125kB/sec
Automatic wake-up mode for multidrop applications
Start-end break interrupt/status
Detects break which originates in the middle of a character
On-chip crystal oscillator
Single +5V power supply
Commercial and industrial temperature ranges available
DIP and PLCC packages