NEC PD789488 User Manual page 233

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