Holtek HT45F23A Manual page 94

S C S
S C K ( C K P O L B = 1 , C K E G = 0 )
S C K ( C K P O L B = 0 , C K E G = 0 )
S C K ( C K P O L B = 1 , C K E G = 1 )
S C K ( C K P O L B = 0 , C K E G = 1 )
S D O ( C K E G = 0 )
S D O ( C K E G = 1 )
S D I D a t a C a p t u r e
S C S
S C K ( C K P O L B = 1 )
S C K ( C K P O L B = 0 )
S D O
S D I D a t a C a p t u r e
S C S
S C K ( C K P O L B = 1 )
S C K ( C K P O L B = 0 )
S D O
S D I D a t a C a p t u r e
Rev. 1.40
TinyPower Flash MCU with OPA & Comparators
TM
S I M E N = 1 , C S E N = 0 ( E x t e r n a l P u l l - H i g h )
S I M E N , C S E N = 1
D 7 / D 0 D 6 / D 1
D 7 / D 0 D 6 / D 1
W r i t e t o S I M D
SPI Master Mode Timing
D 7 / D 0 D 6 / D 1 D 5 / D 2
W r i t e t o S I M D
( S D O d o e s n o t c h a n g e u n t i l f i r s t S C K e d g e )
SPI Slave Mode Timing-CKEG=0
D 7 / D 0 D 6 / D 1 D 5 / D 2
W r i t e t o S I M D
( S D O c h a n g e s a s s o o n a s w r i t i n g o c c u r s ; S D O
N o t e : F o r S P I s l a v e m o d e , i f S I M E N = 1 a n d C S E N = 0 , S P I i s a l w a y s e n a b l e d
a n d i g n o r e s t h e S C S l e v e l .
SPI Slave Mode Timing-CKEG=1
94
HT45F23A/HT45F24A
D 5 / D 2 D 4 / D 3 D 3 / D 4 D 2 / D 5 D 1 / D 6
D 5 / D 2 D 4 / D 3 D 3 / D 4 D 2 / D 5 D 1 / D 6
D 4 / D 3 D 3 / D 4 D 2 / D 5 D 1 / D 6 D 0 / D 7
D 4 / D 3 D 3 / D 4 D 2 / D 5 D 1 / D 6 D 0 / D 7
i s f l o a t i n g i f S C S = 1 )
March 29, 2019
D 0 / D 7
D 0 / D 7