Datasheet

Section 10 Serial Communication Interface
Rev. 6.00 Aug 04, 2006 page 344 of 680
REJ09B0145-0600
SCK
1
SO
1
Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5
Tail mark
Bit 14
Bit 15
1 frame
Figure 10.4 Transfer Format (When SNC1 = 0, SNC0 = 1, MRKON = 1)
3. Tail Mark
There are two tail marks: HOLD TAIL and LATCH TAIL. The output waveforms of HOLD TAIL
and LATCH TAIL are shown in figure 10.5. Time t in figure 10.5 is determined by the serial clock
cycle set by bits CKS2 to CKS0 in SCR1.
t t t t t t2t
Bit 14 Bit 15 Bit 0
HOLD TAIL
SCK
1
SO
1
t t t t t2t
Bit 14 Bit 15
LATCH TAIL
SCK
1
SO
1
Figure 10.5 HOLD TAIL and LATCH TAIL Output Waveforms