參數(shù)資料
型號(hào)： MC68306FC16B
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 4/191頁(yè)
文件大?。?/td> 0K
描述： IC MPU INTEGRATED 132-PQFP
標(biāo)準(zhǔn)包裝： 36
系列： M683xx
處理器類(lèi)型： M683xx 32-位
速度： 16MHz
電壓： 5V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 132-BQFP 緩沖式
供應(yīng)商設(shè)備封裝： 132-PQFP（24.13x24.13）
包裝： 托盤(pán)
MOTOROLA
MC68306 USER'S MANUAL
5- 11
.........
1111 = A31–A17 must match CSA31–CSA17 in chip select address match
Table 5-2 shows the entire range of address bits that must match for a chip select to
occur.
Table 5-2. Chip Select Match Bits
A31
A30
A29
A28
A27
A26
A25
A24
A23
A22
A21
A20
A19
A18
A17
0000
xxxxxxxxxxxxxxx
0001
xxxxxxxxxxxxxx
0010
xxxxxxxxxxxxx
0011
xxxxxxxxxxxx
0100
xxxxxxxxxxx
0101
xxxxxxxxxx
0110
xxxxxxxxx
0111
xxxxxxxx
1000
xxxxxxx
1001
xxxxxx
1010
xxxxx
1011
xxxx
1100
x
1101
x
1110
x
1111
x = Address bit is a don’t care, CSA bit must be 0 to allow match.
= Address bit must match CSA bit for chip select to occur.
CSDT3–0—Chip Select DTACK Wait State Selection
This field determines whether automatic DTACK is returned, and how many wait states
are inserted if automatic DTACK is enabled. When automatic DTACK is selected, the
write portion of a TAS indivisible cycle is the same length as a normal write cycle to the
same location. Any external DTACK generation circuit must recognize that AS remains
asserted throughout a read-write indivisible cycle, if it supports TAS.
0000 = Automatic DTACK, 0 wait states
1000 = Automatic DTACK, 8 wait states
0001 = Automatic DTACK, 1 wait state
1001 = Automatic DTACK, 9 wait states
0010 = Automatic DTACK, 2 wait states
1010 = Automatic DTACK, 10 wait states
0011 = Automatic DTACK, 3 wait states
1011 = Automatic DTACK, 11 wait states
0100 = Automatic DTACK, 4 wait states
1100 = Automatic DTACK, 12 wait states
0101 = Automatic DTACK, 5 wait states
1101 = Automatic DTACK, 13 wait states
0110 = Automatic DTACK, 6 wait states
1110 = Automatic DTACK, 14 wait states
0111 = Automatic DTACK, 7 wait states
1111 = No automatic DTACK, external
DTACK required
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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