Z85230 Datasheet, PDF (15/120 Pages) Zilog, Inc. – ENHANCED SERIAL COMMUNICATIONS CONTROLLER

==
(QKDQFHG 6HULDO &RPPXQLFDWLRQV &RQWUROOHU

3LQ 'HVFULSWLRQV ([FOXVLYH WR WKH =
$'±$' $GGUHVV'DWD %XV %LGLUHFWLRQDO $FWLYH +LJK WULVWDWH 7KHVH PXOWL
SOH[HG OLQHV FDUU\ UHJLVWHU DGGUHVVHV WR WKH = DV ZHOO DV GDWD RU FRQWURO
LQIRUPDWLRQ WR DQG IURP WKH =
5: 5HDG:ULWH ,QSXW 5HDG $FWLYH +LJK 7KLV SLQ VSHFLILHV LI WKH RSHUDWLRQ WR EH
SHUIRUPHG LV D UHDG RU ZULWH RSHUDWLRQ
&6 &KLS 6HOHFW  ,QSXW $FWLYH /RZ 7KLV SLQ LV ODWFKHG FRQFXUUHQWO\ ZLWK WKH
DGGUHVVHV RQ $$ DQG PXVW EH /RZ IRU WKH LQWHQGHG EXV WUDQVDFWLRQ WR RFFXU
&6 &KLS 6HOHFW  ,QSXW $FWLYH +LJK 7KLV VHFRQG VHOHFW SLQ PXVW EH +LJK
EHIRUH WKH LQWHQGHG EXV WUDQVDFWLRQ FDQ RFFXU &6 PXVW UHPDLQ +LJK WKURXJKRXW
WKH WUDQVDFWLRQ
'6 'DWD 6WUREH ,QSXW $FWLYH /RZ 7KLV SLQ SURYLGHV WLPLQJ IRU WKH WUDQVIHU RI
GDWD LQWR DQG RXW RI WKH = ,I $6 DQG '6 DUH ERWK /RZ WKLV FRQGLWLRQ LV LQWHU
SUHWHG DV D UHVHW
$6 $GGUHVV 6WUREH ,QSXW $FWLYH /RZ $GGUHVVHV RQ $$ DUH ODWFKHG E\ WKH
ULVLQJ HGJH RI WKLV VLJQDO
)XQFWLRQDO 'HVFULSWLRQ
7KH DUFKLWHFWXUH RI WKH (6&& LV GHVFULEHG IURP WZR SRLQWV RI YLHZ
‡ 'DWD FRPPXQLFDWLRQV GHYLFH ZKLFK WUDQVPLWV DQG UHFHLYHV GDWD LQ D ZLGH
YDULHW\ RI SURWRFROV
‡ 0LFURSURFHVVRU SHULSKHUDO LQ ZKLFK WKH (6&& RIIHUV YDOXDEOH IHDWXUHV VXFK DV
YHFWRUHG LQWHUUXSWV DQG '0$ VXSSRUW
7KH (6&& SHULSKHUDO DQG GDWD FRPPXQLFDWLRQ IXQFWLRQV DUH GHVFULEHG LQ WKH IRO
ORZLQJ VHFWLRQV 7KH GHWDLOV RI WKH FRPPXQLFDWLRQV EHWZHHQ WKH UHFHLYH DQG
WUDQVPLW ORJLF WR WKH V\VWHP EXV DUH LOOXVWUDWHG LQ )LJXUH  DQG )LJXUH  7KH IHD
WXUHV DQG GDWD SDWK IRU HDFK RI WKH (6&& $ DQG % FKDQQHOV DUH LGHQWLFDO 5HIHU WR
WKH 6&&(6&& DQG ,6&& )DPLO\ RI 3URGXFWV 8VHU¶V 0DQXDO IRU IXOO GHWDLOV RQ
XVLQJ WKH (6&&
36
)XQFWLRQDO 'HVFULSWLRQ