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

CHAPTER 7 MODE SETTING
7.4.1

Automatic ready function selection register (ARSR)

This section shows the configuration and explains the function of the automatic ready
function selection register (ARSR)
I Automatic ready function selection register (ARSR)
The bit configuration of the automatic ready function selection register (ARSR) is shown in the
figure below.
15
0000A5 IOR1
H
( W )
( 0 )
Functions of each bit in the automatic ready function selection register are described below.
[Bits 15, 14] IOR1, IOR0
These bits are used to select the automatic wait function for external access to areas in a
range of 0000D0
IOR1
0
0
1
1
[Bits 13, 12] HMR1, HMR0
These bits are used to select the automatic wait function for external access to areas in a
range of 800000
HMR1
0
0
1
1
166
14 13 12 11
IOR0 HMR1 HMR0
( W ) ( W ) ( W ) ( - )
( 0 ) ( 1 ) ( 1 ) ( - )
to 0000FF . Contents of settings are listed below.
H H
IOR0
0 Automatic wait prohibited [Initial value]
1 Automatic wait in 1 machine cycle during external access
0 Automatic wait in 2 machine cycle during external access
1 Automatic wait in 3 machine cycle during external access
to FFFFFF . Contents of settings are listed below.
H H
HMR0
0 Automatic wait prohibited
1 Automatic wait in 1 machine cycle during external access
0 Automatic wait in 2 machine cycle during external access
Automatic wait in 3 machine cycle during external access
1
[Initial value]
10 9 8
Automatic ready function
selection register
LNR1 LMR0
( - ) ( W ) ( W ) Read/write
Initial value
( - ) ( 0 ) ( 0 )
Setting
Setting