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| 型號(hào)： | MC68150FN33 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY 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> | 631K |
| 代理商： | MC68150FN33 |
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MC68150
4
MOTOROLA
High Performance Frequency
Control Products — BR1334
Figure 3. “FAST Bus” “SLOW Bus” Application
PROCESSOR
MC68150
BUS SIZER
TRANSCEIVERS
8BIT PORTS
16BIT PORTS
32BIT 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
F
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sc
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S
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m
ic
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I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
MC68150
32-Bit to 32/16/8-Bit Dynamic READ/WRITE Bus Sizer
NETCOM
IDT 32-Bit to 32/16/8-Bit Dynamic READ/WRITE Bus Sizer
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc
MC68150
4
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