63, 3257
7KH IROORZLQJ GLDJUDP GHVFULEHV WKH 63, SRUW DQG WKH FRQWURO ELWV DVVRFLDWHG ZLWK LW
Figure 4: SPI Port
,6' 6HULHV
63, &21752/ 5(*,67(5
7KH 63, FRQWURO UHJLVWHU SURYLGHV FRQWURO RI LQGLYLGXDO GHYLFH IXQFWLRQV VXFK DV 3OD\ 5HFRUG 0HVVDJH
&XHLQJ 3RZHU8S DQG 3RZHU'RZQ 6WDUW DQG 6WRS RSHUDWLRQV DQG ,JQRUH $GGUHVV SRLQWHUV
Table 3: SPI Control Register
Control
Register
Bit
Device Function
Control
Register
Bit
Device Function
581
(QDEOH RU 'LVDEOH DQ RSHUDWLRQ
38
0DVWHU SRZHU FRQWURO
6WDUW
6WRS
3RZHU8S
3RZHU'RZQ
35
6HOHFWV 3OD\ RU 5HFRUG RSHUDWLRQ ,$%
,JQRUH DGGUHVV FRQWURO ELW
3OD\
5HFRUG
,JQRUH LQSXW DGGUHVV UHJLVWHU $r$
8VH WKH LQSXW DGGUHVV UHJLVWHU FRQWHQWV
IRU DQ RSHUDWLRQ $r$
0&
(QDEOH RU 'LVDEOH 0HVVDJH &XHLQJ 3r3
2XWSXW RI WKH URZ SRLQWHU UHJLVWHU
(QDEOH 0HVVDJH &XHLQJ
'LVDEOH 0HVVDJH &XHLQJ
$r$
,QSXW DGGUHVV UHJLVWHU
XurÃD67ÃDt
rÃ6qq
rÃ7vÃvÃrÃÃÃhÃyhihpxÃ
Ã
rp
qÃr
hvÃh
Ãs
Ãhqq
rÃ6(¥6ÃA
Ã
prpvrÃyhihpxÃ
Ã
rp
qÃD67ÃuyqÃirÃpuhtrqÃÃhà Ãirs
rÃurÃrqÃsÃuhÃ
ÃrrÃS68ÃvvtÃ
Pur
vrÃurÃDT9#"ÃvyyÃ
rrhÃurÃr
hvÃs
ÃurÃhrÃ
Ãhqq
rÃA
Ãr
ÃhhtrrÃurÃSÃ
6qq
rÃ8ypxÃS68ÃvÃhqÃD67ÃphÃirÃrqÃÃrÃh
qÃurÃr
Ãrtr
ISD
7