346CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (μPD78078 SUBSERIES)Figure 17-23. ACKE Operations(a) When ACKE = 1 upon completion of transfer(b) When set after completion of transfer(c) When ACKE = 0 upon completion of transfer(d) When “ACKE = 1” period is shortSB0 (SB1)ACKE1 2 7 8 9D7 D6 D2 D1 D0 ACKWhen ACKE = 1 at this pointACK signal is outputat 9th clockSCK0SB0 (SB1)ACKE7 8 9D1 D0 ACK6D2If set during this period and ACKE = 1at the falling edge of the next SCK0ACK signal is output fora period of one clockjust after settingSCK0SB0 (SB1)ACKE1 2 7 8 9D7 D6 D2 D1 D0When ACKE = 0 at this pointACK signal is not outputSCK0SB0 (SB1)ACKEIf set and cleared during this periodand ACKE = 0 at the falling edge of SCK0ACK signal is not outputD2 D1 D0SCK0
