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SCN68681E1N40規(guī)格書詳情
DESCRIPTION
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
– 100k? 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
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
恩XP |
24+ |
NA/ |
28 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
PHI |
20+ |
PLCC44 |
35830 |
原裝優(yōu)勢主營型號-可開原型號增稅票 |
詢價 | ||
TI/德州儀器 |
22+ |
SOT-23-5 |
100000 |
代理渠道/只做原裝/可含稅 |
詢價 | ||
MINI |
24+ |
SMD |
3600 |
MINI專營品牌全新原裝正品假一賠十 |
詢價 | ||
PHI |
25+23+ |
DIP40 |
13002 |
絕對原裝正品全新進口深圳現(xiàn)貨 |
詢價 | ||
S |
23+ |
PLCC |
11200 |
原廠授權一級代理、全球訂貨優(yōu)勢渠道、可提供一站式BO |
詢價 | ||
PHI |
0426+ |
DIP |
3324 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 | ||
恩XP |
23+ |
DIP |
30000 |
代理全新原裝現(xiàn)貨,價格優(yōu)勢 |
詢價 | ||
PHI |
22+ |
DIP40 |
35598 |
原裝正品現(xiàn)貨 |
詢價 | ||
SCN8031H |
23 |
23 |
詢價 |