Automatic Ready Function Selection Register (Arsr) - Fujitsu F2MC-16LX Hardware Manual

CHAPTER 7 MODE SETTING
7.4.1

Automatic Ready Function Selection Register (ARSR)

The configuration and functions of the automatic ready function selection register
(ARSR) are described.
Automatic Ready Function Selection Register (ARSR)
Figure 7.4-3 shows the bit configuration of the automatic ready function selection register (ARSR).
Figure 7.4-3 Bit Configuration of automatic Ready Function Selection Register (ARSR)
Bit
0000A5
Reserved
H
Function of each bit for the automatic ready function selection register (ARSR) shows as follows.
[bit 15, bit 14] Reserved
It is Reserved bit. Please write "00
[bit 13, bit 12] HMR1, HMR0
The automatic wait function is selected when executing the external access to the area 800000
FFFFFF
HMR1
0
0
1
1
[bit 11, bit 10] undefinition bit
Nothing is affected when it is written.
[bit 9, bit 8] LMR1, LMR0
The automatic wait function is selected when executing the external access to the area 007100
7FFFFF
below.
LMR1
0
0
1
1
184
15 14 13 12
HMR1 HMR0
Reserved
(W) (W) (W) (W)
(0) (0) (1) (1)
. A set content is a table below.
H
HMR0
0 Automatic wait interdiction
1 At the external access, an automatic wait of 1 machine cycle
0 At the external access, an automatic wait of 2 machine cycle
1 At the external access, an automatic wait of 3 machine cycles [Initial value]
(however, the extended I/O area 007900
H
LMR0
0 Automatic wait interdiction [Initial value]
1 At the external access, an automatic wait of 1 machine cycle
0 At the external access, an automatic wait of 2 machine cycle
1 At the external access, an automatic wait of 3 machine cycle
11 10 9 8
LMR1 LMR0
( - ) ( - ) (W) (W)
( - ) ( - ) (0) (0)
".
B
to 007FFF
H
Setting
Automatic Ready Function
Selection Register (ARSR)
Read/write
Initial value
Setting
is disable). A set content is a table
H
to
H
to
H