CHAPTER 12 SERIAL INTERFACE 1A0
222
User’s Manual U15331EJ4V1UD
(3) Automatic data transmit/receive interval specification register 0 (ADTI0)
This register sets the automatic data transmit/receive function data transfer interval.
ADTI0 is set via a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to 00H.
Figure 12-4. Format of Automatic Data Transmit/Receive Interval Specification Register 0 (1/2)
Symbol
<7> 6
5 <4> <3> <2> <1> <0>
Address
After
reset
R/W
ADTI0 ADTI07
0
0
ADTI04 ADTI03 ADTI02 ADTI01 ADTI00 FF7BH
00H
R/W
ADTI07
Data transfer interval control
0
No control of interval by ADTI00 to ADTI04
Note 1
1
Control of interval by ADTI00 to ADTI04
ADTI04 ADTI03 ADTI02 ADTI01 ADTI00
Data transfer interval specification
(f
X
= 5.0 MHz, f
SCK
= 1.25 MHz)
Note 2
n
0 0 0 0 0
0
0 0 0 0 1
1.60
µ
s
+
0.5/f
SCK
1
0 0 0 1 0
2.40
µ
s
+
0.5/f
SCK
2
0 0 0 1 1
3.20
µ
s
+
0.5/f
SCK
3
0 0 1 0 0
4.00
µ
s
+
0.5/f
SCK
4
0 0 1 0 1
4.80
µ
s
+
0.5/f
SCK
5
0 0 1 1 0
5.60
µ
s
+
0.5/f
SCK
6
0 0 1 1 1
6.40
µ
s
+
0.5/f
SCK
7
0 1 0 0 0
7.20
µ
s
+
0.5/f
SCK
8
0 1 0 0 1
8.00
µ
s
+
0.5/f
SCK
9
0 1 0 1 0
8.80
µ
s
+
0.5/f
SCK
10
0 1 0 1 1
9.60
µ
s
+
0.5/f
SCK
11
0 1 1 0 0
10.4
µ
s
+
0.5/f
SCK
12
0 1 1 0 1
11.2
µ
s
+
0.5/f
SCK
13
0 1 1 1 0
12.0
µ
s
+
0.5/f
SCK
14
0 1 1 1 1
12.8
µ
s
+
0.5/f
SCK
15