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參數(shù)資料
| 型號： | PAK-IV |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Using the PAK-IV I/O Coprocessor |
| 中文描述： | 利用巴基斯坦第四的I / O協(xié)處理器 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 131K |
| 代理商： | PAK-IV |
Overview
The Stamp Pak IV is a16-bit I/O coprocessor with a versatile interface that makes it easy
to interface it with a variety of microcontrollers including the Basic Stamp from Parallax.
However, you can easily interface the Pak IV with practically any modern
microprocessor. Here are some of the Pak IV's major features:
Robust, speed independent serial interface
Uses as few as 2 pins to connect to the host
Can connect multiple devices to the same 2 pins with one additional pin per device
Works with Stamp II's ShiftOut and ShiftIn commands
Synchronous operation – read results when you are ready for them
Adds 16-bits of general-purpose digital I/O pins
96 bytes of RAM storage
Advanced I/O features (PWM, Count, Pulse I/O, etc.)
Easy to use
The Pak IV is a 28-pin .3" wide IC. In order to operate it must have a regulated supply of
5V and connection to a clock element. The Stamp Pak IV includes a 20Mhz ceramic
resonator that you can use to clock the chip.
Other than the power and clock connections, the Pak IV requires at least two wires to
connect between your microcontroller (the host) and itself. Depending on the host's
capabilities and your application, you may want to use more pins for I/O (up to 5 pins.
RESET
SIN
B1
B2
B3
B4
B5
B6
B7
Vdd
RES1
RES2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
18
PAK-IV
16
17
19
20
21
22
23
24
25
26
27
28
ENABLE/BUSY
BUSY/MODE
Vss
SOUT
B0
CLK
Vss
Vss
A0
A1
A2
A3
A4
A5
A6
A7
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