MB86831 FUJITSU [Fujitsu Component Limited.], MB86831 Datasheet - Page 65

• Manufacturer Part Number: MB86831
• Description: 32-bit Embedded Controller
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

(11)Bus Width/Cacheable Register (BWCR)
bit 31 to bit 24
bit 23,bit 21,bit 19,bit 17,bit 15,bit 13
bit 22,bit 20,bit 18,bit 16,bit 14,bit 12
bit 11 to bit 10,bit 9 to bit 8,bit 7 to bit 6,bit 5 to bit 4,
bit 3 to bit 2
bit 1 to bit 0
(12)DRAM Refresh Timer Register (REFTMR)
bit 31
bit 30 to bit 16 :Reserved [“0”Write, Don’t care for read]
bit 15 to bit 0
(13)DRAM Refresh Timer Pre-load (DRLD)
bit 31
bit 30 to bit 16 :Reserved [“0”Write, Don’t care for read]
bit 15 to bit 0
(14)Ancillary Version Register (VER2)[Read only]
bit 31 to bit 16 :Reserved [Don’t care for read]
bit 15 to bit 0
(MB86831:Value
MB86835:Value
(15)Sleep Mode Register (SLPMD)[Write only]
bit 31 to bit 1
bit 0
bit
bit
bit
bit
bit
31
31 30
31 30
31
31
Reserved
:Test Mode [“0“Write, Don’t care for read]
:Timer Value (RST
:3 Cycle Mode (On
:Timer Pre-load Value (RST
:Reserved
:Sleep Mode (On
:Version
24
4, MB86836:Value
0, MB86832:Value
23 22 21 20 19 18 17 16
CS5
Reserved
CS4
Reserved
Reserved
1, Off
0xffff)
1, Off
CS3
1)
1, MB86833:Value
0, RST
0, RST
0xffff)
CS2
15 14
0)
CS1
0)
Reserved
16 15
16 15
16 15
:Cacheable (0
:Bus Width Control bit
:Reserved [“0”Write, Don’t care for read]
ASI
:Reserved [“0”Write, Don’t care for read]
:Internal/External Cacheable (0
13 12 11 10 9
CS0
2, MB86834:Value
0x01, Address
CS5
cacheable, 1
ASI
ASI
ASI
ASI
Timer Pre-load Value
CS4
MB86830 Series
8
0x01, Address
Timer Value
0x01, Address
0x01, Address
0x01, Address
0x00000174
3,
Version
7
CS3
6 5
noncacheable)
External, 1
CS2
H
4 3
0x0000016C
0x00000178
0x00020004
0x00020000
CS1
2 1
Internal)
1
0
0
0
0
0
H
H
H
H
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