Fujitsu FR81S User Manual
CHAPTER 36: EXTERNAL BUS INTERFACE
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : EXTERNAL BUS INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
7
4.1. CS Area Setting Registers: ASR0 to ASR3 (Area
Setting Register 0-3)
The bit configurations of the CS area setting registers are shown below.
These registers configure the CS areas CS0 to CS3. Each CS area has a single ASR register. Set the CS
areas such that they do not overlap. See "5.10 CS Setting Sequence" for the setting procedure for these
registers.
ASR0 : Address 0600
H
(Access : Word)
ASR1 : Address 0604
H
(Access : Word)
ASR2 : Address 0608
H
(Access : Word)
ASR3 : Address 060C
H
(Access : Word)
bit31
bit30
bit29
bit28
bit27
bit26
bit25
bit24
SADR[31:24]
Initial value
*1
*1
*1
*1
*1
*1
*1
*1
Attribute
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
bit23
bit22
bit21
bit20
bit19
bit18
bit17
bit16
SADR[23:16]
Initial value
*1
*1
*1
*1
*1
*1
*1
*1
Attribute
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
Reserved
Initial value
*1
*1
*1
*1
*1
*1
*1
*1
Attribute
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
ASZ[3:0]
Reserved WREN
LEDN
CSEN
Initial value
*1
*1
*1
*1
*1
*1
*1
*1
Attribute
R/W
R/W
R/W
R/W
R0,W0
R/W
R/W*2
R/W
*1 : [Initial value] ASR0 0000_0000_0000_0000_0000_0000_1111_0001
B
Not ASR0 XXXX_XXXX_XXXX_XXXX_0000_0000_XXXX_0XX0
B
*2 : The attribute is "R0,W0" only ASR0 register.
MB91520 Series
MN705-00010-1v0-E
1206