參數(shù)資料
型號(hào)： MC68150FN33
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PQCC68
封裝： PLASTIC, LCC-68
文件頁(yè)數(shù)： 34/40頁(yè)
文件大?。?/td> 384K
代理商： MC68150FN33
MC68150
4
MOTOROLA
High Performance Frequency
Control Products — BR1334
Figure 3. “FAST Bus” “SLOW Bus” Application
PROCESSOR
MC68150
BUS SIZER
TRANSCEIVERS
8-BIT PORTS
16-BIT PORTS
32-BIT PORTS
DYNAMIC
RAM
“SLOW Bus”
32
(Isolate slower
bus from
“FAST Bus”)
“FAST Bus”
8
16
Table 1. 68150 TRUTH TABLE (READ Mode)
SIZ1
SIZ0
PA1
PA0
DSACK1
DSACK0
D31:24
D23:16
D15:8
D7:0
PD31:24
PD23:16
Description of Transfer
Fig
L
H
L
Out0
X
Z
In0
X
8-Bit READ from 32-Bit Peripheral
49
L
H
L
H
L
X
Out1
Z
X
In1
51
L
H
L
X
Z
X
53
L
H
L
X
Z
X
55
L
H
L
H
Out0
X
In0
X
8-Bit READ from 16-Bit Peripheral
41
L
H
L
H
L
H
X
Out1
X
In1
43
L
H
L
H
X
Out2
X
In2
X
45
L
H
L
H
X
Out3
X
In3
47
L
H
L
H
L
Out0
X
In0
X
8-Bit READ from 8-Bit Peripheral
33
L
H
L
H
L
X
Out1
X
In1
X
35
L
H
L
H
L
X
Out2
X
In2
X
37
L
H
L
X
Out3
In3
X
39
H
L
X
L
Out0
Out1
Z
In0
In1
16-Bit READ from 32-Bit Peripheral
29
H
L
H
X
L
X
Z
X
31
H
L
X
L
H
Out0
Out1
X
In0
In1
16-Bit READ from 16-Bit Peripheral
25
H
L
H
X
L
H
X
Out2
Out3
In2
In3
27
H
L
H
L
Out0
X
In0
X
16-Bit READ from 8-Bit Peripheral
21
H
L
H
L
.
Out1
X
In1
X
(2 Transfers)
H
L
H
L
H
L
X
Out2
X
In2
X
16-Bit READ from 8-Bit Peripheral
23
H
L
H
L
X
.
Out3
In3
X
(2 Transfers)
LL or HH
X
L
Out0
Out1
Z
In0
In1
32-Bit READ from 32-Bit Peripheral
17
LL or HH
L
X
L
H
Out0
Out1
X
In0
In1
32-Bit READ from 16-Bit Peripheral
15
LL or HH
H
X
L
H
.
Out2
Out3
In2
In3
(2 Transfers)
LL or HH
L
H
L
Out0
X
In0
X
32-Bit READ from 8-Bit Peripheral
13
LL or HH
L
H
L
.
Out1
X
In1
X
(4 Transfers)
LL or HH
H
L
H
L
.
Out2
X
In2
X
LL or HH
H
L
.
Out3
In3
X
X = Don’t Care (Do Not Leave Inputs Floating);
. = Latched Data From Peripheral; Z = 3-State; InX = Input (0 Signifies the MSB and 3 Signifies
the LSB); OutX = Output Corresponding to the Input InX
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