BS66FV340 Datasheet, PDF (199/265 Pages) Holtek Semiconductor Inc – Enhanced Touch Voice A/D Flash MCU

BS66FV340/BS66FV350/BS66FV360
Enhanced Touch Voice A/D Flash MCU
SCSA
S C K A (S A C K P O L B = 1 )
S C K A (S A C K P O L B = 0 )
SDO A
D 7 /D 0 D 6 /D 1 D 5 /D 2 D 4 /D 3 D 3 /D 4 D 2 /D 5 D 1 /D 6 D 0 /D 7
S D IA D a ta C a p tu re
W r ite to S P IA D
( S D O A c h a n g e s a s s o o n a s w r itin g o c c u r s ; S D O A is flo a tin g if S C S A = 1 )
N o te : F o r S P IA s la v e m o d e , if S P IA E N = 1 a n d S A C S E N = 0 , S P IA is a lw a y s e n a b le d
a n d ig n o r e s th e S C S A le v e l.
SPIA Master/Slave Mode Timing Diagram
S P IA tra n s fe r
M a s te r
m a s te r o r
s la v e
?
S A S P I[2 :0 ]= 0 0 0 ,
0 0 1 ,0 1 0 ,0 1 1 o r 1 0 0
S la v e
S A S P I [2 :0 ]= 1 0 1
C le a r S A W C O L
A
W r ite D a ta
in to S P IA D
Y
S A W C O L=1?
N
C o n fig u r e S A C K P O L B ,
S A C K E G ,S A C S E N and S A M LS
S P IA E N = 1
N
T r a n s m is s io n
c o m p le te d ?
(S A T R F = 1 ? )
Y
R e a d D a ta
fro m S P IA D
A
C le a r S A T R F
SPIA Transfer Control Flow Chart
T ra n s fe r
N
F in is h e d ?
Y
END
Rev. 1.10
199
December 15, 2016