Z86C9116PSG Datasheet, PDF (20/56 Pages) Zilog, Inc. – CMOS Z8 ROMLess Microcontrollers

=&
&026 =^Š 520/HVV 0LFURFRQWUROOHUV

3RUW  3±3 3RUW  LV DQ ELW 77/FRPSDWLEOH SRUW ZLWK IRXU IL[HG LQSXWV 3±
3 DQG IRXU IL[HG RXWSXWV 3±3 3RUW  LV FRQILJXUHG XQGHU VRIWZDUH FRQWURO IRU
,QSXW2XWSXW &RXQWHU7LPHUV LQWHUUXSW 8$57 SRUW KDQGVKDNH DQG GDWD 0HPRU\ IXQF
WLRQV 3RUW  ZKHQ XVHG DV VHULDO ,2 DUH SURJUDPPHG DV VHULDO LQ DQG VHULDO RXW UHVSHF
WLYHO\ )LJXUH 
0&8
3RUW  ,2
,2 RU +DQGVKDNH
)LJXUH  3RUW  &RQILJXUDWLRQ
)RU LQWHUUXSW IXQFWLRQV 3RUW  LQSXWV DUH IDOOLQJHGJH LQWHUUXSW LQSXWV $FFHVV WR &RXQWHU
7LPHU  LV PDGH WKURXJK 3 7  DQG 3 7  +DQGVKDNH OLQHV IRU 3RUWV   DQG 
DI
PVU
DUH DYDLODEOH RQ 3 WKURXJK 3
3RUW  DOVR SURYLGHV WKH IROORZLQJ FRQWURO IXQFWLRQV KDQGVKDNH IRU 3RUWV   DQG  '$9
DQG 5'< IRXU H[WHUQDO LQWHUUXSW UHTXHVW VLJQDOV ,54±,54 WLPHU LQSXW DQG RXWSXW
VLJQDOV 7 DQG 7  'DWD 0HPRU\ 6HOHFW
DI
PVU
3 RXWSXW LV VRIWZDUHSURJUDPPHG WR IXQFWLRQ DV D 'DWD 0HPRU\ 6HOHFW '0 7KH 3RUW
 0RGH 5HJLVWHU 30 ELW '' VHOHFWV WKLV IXQFWLRQ :KHQ DFFHVVLQJ H[WHUQDO GDWD
PHPRU\ 3 JRHV DFWLYH /RZ ZKHQ DFFHVVLQJ H[WHUQDO SURJUDP PHPRU\ 3 JRHV +LJK
$Q RQERDUG 8$57 LV HQDEOHG E\ VRIWZDUH VHWWLQJ ELW ' RI WKH 3RUW  0RGH 5HJLVWHU
30 :KHQ HQDEOHG 3 LV WKH UHFHLYH LQSXW DQG 3 LV WKH WUDQVPLW RXWSXW
3RUW  OLQHV 3 DQG 3 DUH SURJUDPPHG DV VHULDO ,2 IRU IXOOGXSOH[ VHULDO DV\QFKURQRXV
UHFHLYHUWUDQVPLWWHU RSHUDWLRQ 7KH ELW UDWH LV FRQWUROOHG E\ &RXQWHU7LPHU
7KH = DXWRPDWLFDOO\ DGGV D VWDUW ELW DQG WZR VWRS ELWV WR WUDQVPLWWHG GDWD 6HULDO 'DWD IRU
PDWV DUH VKRZQ LQ )LJXUH  DQG )LJXUH  2GG SDULW\ LV DOVR DYDLODEOH E\ VHWWLQJ ELW ' LQ
WKH 30 UHJLVWHU (LJKW GDWD ELWV DUH DOZD\V WUDQVPLWWHG UHJDUGOHVV RI SDULW\ VHOHFWLRQ ,I
SDULW\ LV HQDEOHG WKH HLJKWK ELW LV WKH RGG SDULW\ ELW $Q LQWHUUXSW UHTXHVW ,54 LV JHQHU
DWHG RQ DOO WUDQVPLWWHG FKDUDFWHUV
36
3LQ )XQFWLRQV