282
ยต
PD78214 Sub-Series
(d) When ACKE is set to 1 for a short period of timeFig. 10-25 ACKD Operations(a) When the ACK signal is output during the ninth cycle of the SCK clock
SCK
SB0
ACKE
The ACK signal is not
output
When ACKE is set or cleared during this period,
and ACKE = 0 at the falling edge of SCK
D2 D1 D0
SIO
SCK 98
D2 D1 D0 SB0
ACKD
76
ACK
Transfer start request
Transfer operation start
D7 D6
(b) When the ACK signal is output after the ninth pulse of the SCK clock
SIO
SCK
D2 D1 D0 SB0
ACKD
9
ACK
876
Transfer start request
Transfer operation start
D7 D6
(c) Clear timing when a transfer start is specified in the busy state
SIO
SCK
D2 D1 D0 SB0
ACKD
9
BUSY
876
D7 ACK
Transfer start request
D6