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參數資料
| 型號： | CDP1854A |
| 廠商： | Intersil Corporation |
| 英文描述： | Programmable Universal Asynchronous Receiver/Transmitter (UART) |
| 中文描述： | 可編程通用異步接收器/發送器（UART） |
| 文件頁數： | 1/21頁 |
| 文件大小： | 95K |
| 代理商： | CDP1854A |
5-42
Features
Two Operating Modes
- Mode 0 - Functionally Compatible with Industry
Types Such as the TR1602A and CDP6402
- Mode 1 - Interfaces Directly with CDP1800-Series
Microprocessors without Additional Components
Full or Half Duplex Operation
Parity, Framing and Overrun Error Detection
Baud Rate
- DC to 200K Bits/s at V
DD
. . . . . . . . . . . . . . . . . . . . 5V
- DC to 400K Bits/s at V
DD
. . . . . . . . . . . . . . . . . . . .10V
Fully Programmable with Externally Selectable Word
Length (5-8 Bits), Parity Inhibit, Even/Odd Parity, and
1, 1-1/2, or 2 Stop Bits
False Start Bit Detection
Description
The CDP1854A and CDP1854AC are silicon-gate CMOS
Universal Asynchronous Receiver/Transmitter (UART) cir-
cuits. They are designed to provide the necessary formatting
and control for interfacing between serial and parallel data.
For example, these UARTs can be used to interface between
a peripheral or terminal with serial I/O ports and the 8-bit
CDP1800-series microprocessor parallel data bus system.
The CDP1854A is capable of full duplex operation, i.e.,
simultaneous conversion of serial input data to parallel out-
put data and parallel input data to serial output data.
The CDP1854A UART can be programmed to operate in one
of two modes by using the mode control input. When the
input is high (MODE = 1), the CDP1854A is directly compati-
ble with the CDP1800-series microprocessor system without
additional interface circuitry. When the mode input is low
(MODE = 0), the device is functionally compatible with indus-
try standard UART’s such as the TR1602A and CDP6402. It
is also pin compatible with these types, except that pin 2 is
used for the mode control input.
The CDP1854A and the CDP1854AC are functionally identi-
cal. The CDP1854A has a recommended operating voltage
range of 4V to 10.5V, and the CDP1854AC has a recom-
mended operating voltage range of 4V to 6.5V.
Ordering Information
PACKAGE
TEMP.
RANGE
-40
o
C to +85
o
C CDP1854ACE
5V/200K
BAUD
10V/400K
BAUD
PKG.
NO.
PDIP
CDP1854AE
E40.6
Burn-In
CDP1854ACEX
CDP1854AEX
E40.6
PLCC
-40
o
C to +85
o
C CDP1854ACQ
-40
o
C to +85
o
C CDP1854ACD
CDP1854AQ
N44.65
SBDIP
CDP1854AD
D40.6
Burn-In
CDP1854ACDX
-
D40.6
March 1997
CDP1854A,
CDP1854AC
Programmable Universal Asynchronous
Receiver/Transmitter (UART)
File Number
1193.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
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| CDP1854A WAF | 制造商:Harris Corporation 功能描述: |
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| CDP1854AC | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Programmable Universal Asynchronous Receiver/Transmitter (UART) |
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