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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)： | 16/18頁 |
| 文件大?。?/td> | 152K |
| 代理商： | MN5521Q |
7
For Information Equipment
MN5521
Pin Descriptions (continued)
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
Parallel port interface
79
NACK
1
IS
Acknowledge signal input from printer port
80
NERR
Error-communications signal input from printer port
81
PE
Paper empty signal input from printer port
82
SLCT
Select signal input from printer port
83
BUSY
Busy signal input from printer port
143
NSLIN
6
OD
Printer selection signal (In bidirectional mode, this becomes
an I/O pin.)
144
NSTB
Parallel port data-strobe signal (In bidirectional mode, this
becomes an I/O pin.)
145 to 147
PD7 to 5
Parallel port data signal (In bidirectional mode, this becomes
149
PD4
an I/O pin.)
151 ,152
PD3 ,2
154 ,155
PD1 ,0
156
NAFD
Pulling this signal to "L" level causes the printer to insert a line
feed after printing the current line. (In bidirectional mode, this
becomes an I/O pin.)
157
NINIT
Parallel port initialize signal (In bidirectional mode, this
becomes an I/O pin.)
Serial port 1 interface
14
SIN1
1
I
Serial signal input from serial interface 1
15
NCTS1
Clear-to-send signal input from serial interface 1
16
NDSR1
Data-set-ready signal input from serial interface 1
17
NDCD1
Data-carrier-detect signal input from serial interface 1
18
NRI1
Ring-indication signal input from serial interface 1
98
SOUT1
4
O
Serial-output signal for serial interface 1
99
NRTS1
Request-to-send signal for serial interface 1
100
NDTR1
Data-terminal-ready signal for serial interface 1
Serial port 2 interface
19
SIN2
1
I
Serial-signal input from serial interface 2
20
NCTS2
Clear-to-send signal input from serial interface 2
21
NDSR2
Data-set-ready signal input from serial interface 2
22
NDCD2
Data-carrier-detect signal input from serial interface 2
23
NRI2
Ring-indication signal input from serial interface 2
95
SOUT2
4
O
Serial output signal for serial interface 2
96
NRTS2
Request-to-send signal for serial interface 2
97
NDTR2
Data-terminal-ready signal for serial interface 2
101
UARTCLK
Transfer clock for UART2
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