參數(shù)資料
型號: MB86831
廠商: Fujitsu Limited
英文描述: 32-bit Embedded Controller
中文描述: 32位嵌入式控制器
文件頁數(shù): 12/82頁
文件大小: 1373K
代理商: MB86831
MB86830 Series
12
(Continued)
Symbol
(Continued)
Pin name
I/O
Function
BE0#
BE1#
BE2#
BE3#
BYTE ENABLE
O
O
I/O
O
CS0#
CS1#
CS2#
CS3#
CS4#
CS5#
CHIP SELECT
O
Chip select signals.
These chip select signals are asserted when the Address Range Spec-
ifier Register (ARSR) and Address Mask Register (AMR) is accessed
with the CS Enable bit (bit 4) in the System Support Control Register
(SSCR) set to “1.” (Note, however, that only the CS0# pin is indepen-
dent of the CS Enable bit.)
(Continued)
* : The mark such as (D<31:24>) shows the bit of the data bus used.
Width of
bus
Access type
BE0#
BE1#
BE2#
BE3#
Width of
16-bits
bus
Write
Byte-0 (D<15:8>)
1
0
0
0
Byte-1 (D<7:0>)
0
1
0
0
Byte-2 (D<15:8>)
1
0
1
0
Byte-3 (D<7:0>)
0
1
1
0
Half word-0 (D<15:0>)
0
0
0
0
Half word-1 (D<15:0>)
0
0
1
0
Word (D<15:0>) access-0
0
0
1
0
Word (D<15:0> )access-1
0
0
0
0
Read
Access-0
0
0
0
0
Access-1
0
0
1
0
Width of
8-bits
bus
Write
Byte-0
X
X
0
0
Byte-1
X
X
0
1
Byte-2
X
X
1
0
Byte-3
X
X
1
1
Half word-0 access-1
X
X
0
1
Half word-0 access-0
X
X
0
0
Half word-1 access-0
X
X
1
1
Half word-1 access-1
X
X
1
0
word access-0
X
X
1
1
word access-1
X
X
1
0
word access-2
X
X
0
1
word access-3
X
X
0
0
Read
Access-0
X
X
0
0
Access-1
X
X
0
1
Access-2
X
X
1
0
Access-3
X
X
1
1
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