參數(shù)資料
型號(hào): PAK-VI
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(yè)數(shù): 8/16頁(yè)
文件大?。?/td> 82K
代理商: PAK-VI
Operating Modes
By default the PAK VI starts in cooked mode.
Keys you press generate their ASCII equivalent on
the serial output. The PAK manages the indicator
lights. Most non-ASCII characters generate a
special code greater than or equal to $80.
If you prefer, you can disable the autoindicator
mode and take control of the keyboard LEDs in
your software by issuing the AIOFF command.
You can also receive raw scan codes instead of
ASCII codes by issuing the RAW command. In
this mode you’ll receive make and break codes for
each key pressed.
Typical Circuits and Software
Connecting the Pak to its external components is
simple. Supply 5V to Vdd and ground the Vss
pins. Connect the two outer pins of the ceramic
resonator to the RES1 and RES2 pins (the order
does not matter). Ground the center pin of the
resonator. Connect the RESET pin to 5V. For the
simplest mode of operation leave ENABLE open
and jumper ENABLE2 to ground. Of course, you'll
also need to connect the RX and TX pin to the host
microprocessor. If the host uses true RS232, you’ll
need a line driver (like the Maxim 232 chip). For
connection to a TTL inverted device (like the
Basic Stamp) you can directly connect the pins.
If you are not planning to send the PAK any
commands, you can omit the RX line. If you’d like
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