Z85230 Datasheet, PDF (38/120 Pages) Zilog, Inc. – ENHANCED SERIAL COMMUNICATIONS CONTROLLER

==
(QKDQFHG 6HULDO &RPPXQLFDWLRQV &RQWUROOHU

)UDPH 6WDWXV ),)2 &LUFXLWU\
6&& 6WDWXV 5HJLVWHU
55 5HVLGXH %LWV 
2YHUUXQ &5& (UURU
%\WH &RXQWHU
5HVHW RQ )ODJ 'HWHFW
,QFUHPHQW RQ
(DFK 5HFHLYHG &KDUDFWHU
(QDEOH &RXQW LQ 6'/&
 %LWV
(QG RI )UDPH 6LJQDO
 %LWV _{6WDWXV 5HDG &RPSOHWH}
),)2 $UUD\
 E\  %LWV
7DLO 3RLQWHU
%LW &RXQWHU
+HDG 3RLQWHU
%LW &RXQWHU
 %LWV
(2)  _{ %LWV} ^{ %LWV}
%LW &RPSDUDWRU
2YHU (TXDO
%LW 08;
(1
 %LWV
 %LWV
55
%LW %LW

%LWV

55
),)2
(QDEOH
,QWHUIDFH
WR 6&&
6HH 1RWHV QH[W
55     55 
%LW %\WH &RXQWHU
 .% 0D[LPXP &RXQW
55 %LW 
),)2 GDWDDYDLODEOH VWDWXV ELW
 GXULQJ UHDG
55 %LW 
),)2 2YHUIORZ 6WDWXV %LW
 RQ RYHUIORZ
:5 %LW 
6HW (QDEOHV
6WDWXV ),)2
)LJXUH  6'/& )UDPH 6WDWXV ),)2
1RWHV
 $OO 6HQW E\SDVVHV 08; DQG HTXDOV FRQWHQWV RI 6&& 6WDWXV 5HJLVWHU
 3DULW\ ELWV E\SDVV 08; DQG HTXDOV FRQWHQWV RI 6&& 6WDWXV 5HJLVWHU
 (2) LV VHW WR  ZKHQHYHU UHDGLQJ IURP WKH ),)2
6XPPDUL]LQJ WKH RSHUDWLRQ GDWD LV UHFHLYHG DVVHPEOHG DQG ORDGHG LQWR WKH 
E\WH ),)2 EHIRUH WUDQVIHUULQJ WR PHPRU\ E\ WKH '0$ FRQWUROOHU
:KHQ D IODJ LV UHFHLYHG DW WKH HQG RI DQ 6'/& IUDPH WKH IUDPH E\WH FRXQW IURP
WKH ELW FRXQWHU DQG ILYH VWDWXV ELWV DUH ORDGHG LQWR WKH VWDWXV ),)2 IRU YHULILFD
36
== (QKDQFHPHQWV