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參數(shù)資料
| 型號： | MN5521Q |
| 廠商： | PANASONIC CORP |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | MULTIFUNCTION PERIPHERAL, PQFP208 |
| 封裝： | 28 X 28 MM, PLASTIC, QFP-208 |
| 文件頁數(shù)： | 13/18頁 |
| 文件大?。?/td> | 152K |
| 代理商： | MN5521Q |
4
MN5521
For Information Equipment
Pin Descriptions
The P column gives the corresponding power supply group number;
the T column, the I/O direction: I/O = bidirectional, I = input, O = output, Tri = tristate,
IS = Schmidt input, OD = open drain.
Pin No.
Symbol
Pin Type
Function Description
PT
ISA bus interface
35 to 40
SD7 to 2
5
I/O
ISA-bus data-bus signals
42 to 43
SD1 to 0
44 to 46
IRQ3 to 5
Tri
Interrupt request signal to ISA bus
48 ,49 ,50
IRQ7 ,9 ,10
54 ,55
IRQ11 ,12
56 ,57
IRQ14 ,15
59
NIOCS16
I/O
Signal indicating 16-bit data width for ISA-bus I/O-access
(input for IDE control)
61
PDRQ
Tri
DMA transfer request signal for parallel port (channel 3 or 0)
65
SYSCLK
1
IS
System clock signal input from ISA bus
71
NSBHE
Byte-high-enable signal input from ISA bus
72
BALE
Address latch enable signal input from ISA bus
73
NSYSIOWC
I/O write command signal input from ISA bus
74
NSYSIORC
I/O read command signal input from ISA bus
75
AEN
Address enable signal input from ISA bus
77
RSTDRV
Reset signal input from ISA bus
78
NPDACK
DMA transfer acknowledge signal for parallel port (channel 3 or 0)
84
TC
DMA transfer terminal count signal for parallel port
91
NZEROW
OD
Signal indicating availability of 8-bit with no-wait
92
NMEMCS16
Signal indicating availability of 16-bit memory access
93
IOCHRDY
Wait request signal to ISA bus ("L" level indicates wait state.)
114 to 120
LA23 to 17
IS
Address signal inputs from ISA bus
121 to 126
SA16 to 11
128 to 138
SA10 to 00
139
NSYSMEMR
System memory read signal input
140
NSYSMEMW
System memory write signal input
PCMCIA I/F
1
NCD1A
1
IS
PC card insertion state detection signal input 1 for card slot A
2
BVD2A
I
Signal input 2 indicating PC card battery condition for card slot A
3
BVD1A
Signal input 1 indicating PC card battery condition for card slot A
4
RDYA
PC card ready signal input for card slot A
5
WPA
PC card write protect signal input for card slot A (If the card is
(NIOIS16A)
an I/O card, this signal is the 16-bit access mode input.)
6
NWAITA
PC card wait signal input for card slot A
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