參數(shù)資料
型號: XR68C681P
英文描述: UART
中文描述: 異步
文件頁數(shù): 4/74頁
文件大?。?/td> 2911K
代理商: XR68C681P
;5&
5HY
3,1 '(6&5,37,21 &217·'
3LQ 1XPEHU
SLQ 3/&&
3LQ 1XPEHU
SLQ ',3
6\PERO
7\SH
'HVFULSWLRQ
,3
&76$
,
,QSXW 3RUW
FRQILJXUHG WR EH WKH $FWLYHORZ FKDQQHO $ &OHDUWR6HQG ,QSXW
&76$
*HQHUDO SXUSRVH LQSXW 7KLV LQSXW FDQ DOVR EH
5:
,
5HDG:ULWH ,QSXW
,I WKLV LQSXW LV KLJK ZKLOH &6 LV ORZ WKHQ WKH
&38 LV SHUIRUPLQJ D 5($' F\FOH ZLWK WKH '8$57 ,I WKLV LQSXW
LV ORZ ZKLOH &6 LV ORZ WKHQ WKH &38 LV SHUIRUPLQJ D :5,7(
F\FOH ZLWK WKH '8$57
'7$&.
2
'DWD 7UDQVIHU $FNQRZOHGJH
7KUHH 6WDWH DFWLYH ORZ 7KH
'8$57 DVVHUWV '7$&. LQ RUGHU WR LQIRUP WKH &38 WKDW WKH
SUHVHQW 5($' RU :5,7( RSHUDWLRQ LV QHDUO\ FRPSOHWH 7KH
IDPLO\ RI &38V UHTXLUHV WKLV VLJQDO IURP LWV SHULSKHUDO
GHYLFHV LQ RUGHU WR TXLFNO\ DQG SURSHUO\ FRPSOHWH D 5($' RU
:5,7( F\FOH
,I WKH '8$57 DVVHUWV '7$&. GXULQJ D 5($' RSHUDWLRQ LW LQGL
FDWHV WR WKH &38 WKDW WKH UHTXHVWHG GDWD LV RQ WKH GDWD EXV
,I '7$&. LV DVVHUWHG GXULQJ DQ ,QWHUUXSW $FNQRZOHGJH F\FOH
WKH '8$57 LV LQIRUPLQJ WKH &38 WKDW WKH FRQWHQWV RI WKH ,95
,QWHUUXSW 9HFWRU 5HJLVWHU DUH DYDLODEOH RQ WKH GDWD EXV
,I WKH '8$57 DVVHUWV WKH '7$&. GXULQJ D :5,7( F\FOH LW LV
LQIRUPLQJ WKH &38 WKDW WKH GDWD RQ WKH GDWD EXV KDV EHHQ
ODWFKHG LQWR WKH GDWD EXV EXIIHU RI WKH '8$57 GHYLFH
5;'%
,
5HFHLYHU 6HULDO 'DWD ,QSXW &KDQQHO %
ELW RI WKH FKDUDFWHU LV UHFHLYHG ILUVW ,I DQ H[WHUQDO UHFHLYHU
FORFN LV VSHFLILHG WKH UHFHLYHG GDWD LV VDPSOHG RQ WKH ULVLQJ
HGJH RI WKLV FORFN
7KH OHDVW VLJQLILFDQW
1&
1R &RQQHFW
7;'%
2
7UDQVPLWWHU 6HULDO 'DWD 2XWSXW &KDQQHO %
LFDQW ELW RI WKH FKDQQHO LV WUDQVPLWWHG ILUVW 7KLV RXWSXW LV KHOG LQ
WKH PDUNLQJ KLJK VWDWH ZKHQ WKH WUDQVPLWWHU LV LGOH GLVDEOHG
RU RSHUDWLQJ LQ WKH ORFDO /223%$&. PRGH ,I DQ H[WHUQDO FORFN
LV VSHFLILHG WKH WUDQVPLWWHG GDWD LV VKLIWHG RXW RI WKH 765
7UDQVPLWWHU 6KLIW 5HJLVWHU RQ WKH IDOOLQJ HGJH RI WKLV FORFN
7KH OHDVW VLJQLI
23
576%
2
2XWSXW
FRQILJXUHG DV WKH DFWLYHORZ FKDQQHO % 5HTXHVWWR6HQG RXWSXW
576%
$ JHQHUDO SXUSRVH RXWSXW 7KLV RXWSXW FDQ DOVR EH
23
7;&%
5;&%
&7B5'<
2
2XWSXW
EH FRQILJXUHG WR EH WKH FKDQQHO % 7UDQVPLWWHU ; &ORFN RXWSXW
7;&% WKH FKDQQHO % 5HFHLYHU ; &ORFN RXWSXW 5;&% RU DV
DQ DFWLYHORZ RSHQGUDLQ &RXQWHU7LPHU 5HDG\ 2XWSXW
&7B5'<
$ JHQHUDO SXUSRVH RXWSXW 7KLV RXWSXW SLQ FDQ DOVR
23
5;5'<
))8//B%
2
2XWSXW
EH FRQILJXUHG WR EH WKH RSHQGUDLQ DFWLYHORZ FKDQQHO %
5;5'<))8// RXWSXW DFWLYHORZ
$ JHQHUDO SXUSRVH RXWSXW 7KLV RXWSXW SLQ FDQ DOVR
相關(guān)PDF資料
PDF描述
XR68C681CJ UART
XR68C681CJ44 Telecommunication IC
XR88C681CJ44 Telecommunication IC
XR88C681CP28 Telecommunication IC
XR88C681CP40 Telecommunication IC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR68C681P-F 功能描述:UART 接口集成電路 Dual Channel UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR68C92 制造商:EXAR 制造商全稱:EXAR 功能描述:DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92_05 制造商:EXAR 制造商全稱:EXAR 功能描述:DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92CJ 制造商:EXAR 制造商全稱:EXAR 功能描述:DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92CJ-0A-EVB 功能描述:界面開發(fā)工具 Supports 68C92 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V