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參數(shù)資料
| 型號： | P82C55A |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CHMOS PROGRAMMABLE PERIPHERAL INTERFACE |
| 中文描述： | 24 I/O, PIA-GENERAL PURPOSE, PDIP40 |
| 封裝： | DIP-40 |
| 文件頁數(shù)： | 10/23頁 |
| 文件大?。?/td> | 325K |
| 代理商： | P82C55A |
82C55A
MODE 0 Configurations
(Continued)
231256–12
Operating Modes
MODE 1 (Strobed Input/Output).
This functional
configuration provides a means for transferring I/O
data to or from a specified port in conjunction with
strobes or ‘‘handshaking’’ signals. In mode 1, Port A
and Port B use the lines on Port C to generate or
accept these ‘‘handshaking’’ signals.
Mode 1 Basic functional Definitions:
#
Two Groups (Group A and Group B).
#
Each group contains one 8-bit data port and one
4-bit control/data port.
#
The 8-bit data port can be either input or output
Both inputs and outputs are latched.
#
The 4-bit port is used for control and status of the
8-bit data port.
10
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