CHAPTER 14 SERIAL INTERFACE CHANNEL 1
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User’s Manual U11302EJ4V0UM
(c) Automatic data transmit/receive interval specification register (ADTI)
This register sets the data transfer interval of the automatic transmit/receive function.
ADTI is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets ADTI to 00H.
ADTI7
Data transfer interval control
0
No control of interval by ADTI
Note 1
1
Control of interval by ADTI (ADTI0 to ADTI4)
Data transfer interval specification (f
X
= 5.0 MHz operation)
ADTI4 ADTI3 ADTI2 ADTI1 ADTI0
Minimum
Note 2
Maximum
Note 2
0
0
0
0
0
36.8
µ
s + 0.5/f
SCK
40.0
µ
s + 1.5/f
SCK
0
0
0
0
1
62.4
µ
s + 0.5/f
SCK
65.6
µ
s + 1.5/f
SCK
0
0
0
1
0
88.0
µ
s + 0.5/f
SCK
91.2
µ
s + 1.5/f
SCK
0
0
0
1
1
113.6
µ
s + 0.5/f
SCK
116.8
µ
s + 1.5/f
SCK
0
0
1
0
0
139.2
µ
s + 0.5/f
SCK
142.4
µ
s + 1.5/f
SCK
0
0
1
0
1
164.8
µ
s + 0.5/f
SCK
168.0
µ
s + 1.5/f
SCK
0
0
1
1
0
190.4
µ
s + 0.5/f
SCK
193.6
µ
s + 1.5/f
SCK
0
0
1
1
1
216.0
µ
s + 0.5/f
SCK
219.2
µ
s + 1.5/f
SCK
0
1
0
0
0
241.6
µ
s + 0.5/f
SCK
244.8
µ
s + 1.5/f
SCK
0
1
0
0
1
267.2
µ
s + 0.5/f
SCK
270.4
µ
s + 1.5/f
SCK
0
1
0
1
0
292.8
µ
s + 0.5/f
SCK
296.0
µ
s + 1.5/f
SCK
0
1
0
1
1
318.4
µ
s + 0.5/f
SCK
321.6
µ
s + 1.5/f
SCK
0
1
1
0
0
344.0
µ
s + 0.5/f
SCK
347.2
µ
s + 1.5/f
SCK
0
1
1
0
1
369.6
µ
s + 0.5/f
SCK
372.8
µ
s + 1.5/f
SCK
0
1
1
1
0
395.2
µ
s + 0.5/f
SCK
398.4
µ
s + 1.5/f
SCK
0
1
1
1
1
420.8
µ
s + 0.5/f
SCK
424.0
µ
s + 1.5/f
SCK
6
5
4
3
2
1
0
7
Symbol
ADTI ADTI7
0
0
ADTI4 ADTI3 ADTI2 ADTI1 ADTI0
FF6BH 00H R/W
Address After reset R/W