参数资料
型号: MB86703PF
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP80
封装: 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件页数: 23/32页
文件大小: 189K
代理商: MB86703PF
Plug and Play ISA Controller
MB86703
3
NOTES
(1) Pin names enclosed in brackets indicate pin function in DMA mode. If not in brackets the function is the same in both modes.
(2) Numeric suffix indicates output current sink capability. See DC Characteristics section.
(3) PU indicates input pull-up. PD indicates input pull-down. OD indicates open-drain output.
(4) Open drain output in MEMORY mode.
PIN ASSIGNMENT
PIN
NO.
PIN NAME
(1)
TYPE
(1, 2)
OTHER
(3)
PIN
NO.
PIN NAME
(1)
TYPE
(1, 2)
OTHER
(3)
1
GND
-
41
GND
-
2
/MEMCS16{DREQ7}
O 24
Note 4
42
INTB
I
PD
3
/IOCS16
O 8
OD
43
INTC
I
PD
4
SA0
I
-
44
INTD
I
PD
5
SA1
I
-
45
IRQ7
O 12
-
6
SA2
I
-
46
IRQ5
O 12
-
7
SA3
I
-
47
IRQ4
O 12
-
8
SA4
I
-
48
IRQ3
O 12
-
9
SA5
I
-
49
IRQ10
O 12
-
10
SA6
I
-
50
IRQ11
O 12
-
11
SA7
I
-
51
IRQ12
O 12
-
12
SA8
I
-
52
IRQ15
O 12
-
13
SA9
I
-
53
ACTENA
I
PU
14
SA10
I
-
54
SD0
I/O 24
-
15
SA11
I
-
55
SD1
I/O 24
-
16
SA12
I
-
56
GND
-
17
SA13
I
-
57
SD2
I/O 24
-
18
SA14
I
-
58
SD3
I/O 24
-
19
SA15
I
-
59
SD4
I/O 24
-
20
VDD
-
60
VDD
-
21
GND
-
61
GND
-
22
IOCHRDY
O 24
OD
62
SD5
I/O 24
-
23
/IOCSA
O 4
-
63
SD6
I/O 24
-
24
/IOCSB
O 4
-
64
SD7
I/O 24
-
25
/IOCSC
O 4
-
65
GND
-
26
/IOCSD
O 4
-
66
SK
O 4
-
27
/MCSA{DRQA}
O 4 {I}
PD
67
EEPCS
O 4
-
28
/REFRESH{DRQB}
I
PD
68
DI
O 4
-
29
/MCSB{/DACKA}
O 4
-
69
DO
I
PU
30
GND
-
70
VDD
-
31
CLK
I
-
71
BALE{/DACK7}
I
-
32
NC{/DACKB}
{O 4}
-
72
GND
-
33
/IOR
I
-
73
LA17{DREQ0}
I {O 24}
-
34
/IOW
I
-
74
LA18{/DACK0}
I
-
35
AEN
I
-
75
LA19{DREQ3}
I {O 24}
-
36
RESET_DRV
I
PD
76
LA20{/DACK3}
I
-
37
/RESET
O 4
-
77
LA21{DREQ5}
I {O 24}
-
38
RDY
I
-
78
LA22{/DACK5}
I
-
39
INTA
I
PD
79
LA23{DREQ6}
I {O 24}
-
40
VDD
-
80
SA16{/DACK6}
I
-
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