參數(shù)資料
型號(hào): PAK-II
廠商: Electronic Theatre Controls, Inc.
英文描述: 310 Ivy Glen Court
中文描述: 310常春藤格倫法院
文件頁數(shù): 6/28頁
文件大?。?/td> 155K
代理商: PAK-II
and specials.
Pin
Name
Type
Description
3
Busy/Mode
Input/Output
This pin has two functions. At start up, if the
pin is pulled up by a resistor, the PAK1 uses
this pin as a busy indicator. The pin will read 0
when the PAK is not busy. However, if at
startup the pin is pulled to ground, the PAK
will indicate its busy status on the Enable/
Busy pin.
If Busy/Mode is pulled high at start up, the
Enable/Busy pin is only an input. Bring it low
to disable the PAK, or high to enable it.
However, if Busy/Mode is pulled low at start
up, this pin serves as an open-collector I/O
pin. If the host pulls the pin low, it disables the
PAK. If the PAK is busy, it pulls the pin low.
The host pulses the CLK pin to shift data in or
out of the PAK II.
The PAK II reads data from this pin. You may
short SIN and SOUT and use the same pin for
input and output if the host is capable of
treating a single pin as an I/O pin.
The PAK II writes data to the host on this pin.
Since the pin is open collector, you'll need a
resistor to 5V on this pin. You may short SIN
and SOUT together to use one pin for I/O
Hardware resets the PAK II when low.
2
Enable/
Busy
Input or
Open
Collector
Output
6
CLK
Input
4
SIN
Input
5
SOUT
Open
Collector
Output
1
RESET
Input
7/8/
19
20
VSS
Power
Ground - please connect all ground pins.
VDD
Power
+5V
9
RES1
Clock
Connects to resonator
10
RES2
Clock
Connects to resonator
21-
28
11-
18
A0-A7
I/O
General purpose I/O
B0-B7
I/O
General purpose I/O
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