HD1-6402B-9 Intersil Corporation, HD1-6402B-9 Datasheet

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HD1-6402B-9

Manufacturer Part Number
HD1-6402B-9
Description
CMOS Universal Asynchronous Receiver Transmitter (UART)
Manufacturer
Intersil Corporation
Datasheet

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Part Number:
HD1-6402B-9
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LT/0.5Ԫ
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HD1-6402B-9
Manufacturer:
INTERS
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Copyright © Intersil Americas Inc. 2001. All Rights Reserved
March 1997
Features
• 8.0MHz Operating Frequency (HD-6402B)
• 2.0MHz Operating Frequency (HD-6402R)
• Low Power CMOS Design
• Programmable Word Length, Stop Bits and Parity
• Automatic Data Formatting and Status Generation
• Compatible with Industry Standard UARTs
• Single +5V Power Supply
• CMOS/TTL Compatible Inputs
Ordering Information
Pinout
Plastic DIP
CERDIP
SMD#
PACKAGE
|
TEMPERATURE RANGE
Intersil (and design) is a trademark of Intersil Americas Inc.
TM
-55
-40
-40
o
o
o
C to +125
C to +85
C to +85
o
o
o
C
C
C
RBR8
RBR7
RBR6
RBR5
RBR4
RBR3
RBR2
RBR1
GND
RRD
RRC
DRR
V
SFD
RRI
NC
OE
DR
PE
CC
FE
HD3-6402R-9
HD1-6402R-9
5962-9052501MQA
10
11
12
13
14
15
16
17
18
19
20
HD-6402 (PDIP, CERDIP)
1
2
3
4
5
6
7
8
9
2MHz = 125K BAUD
TOP VIEW
1
Description
The HD-6402 is a CMOS UART for interfacing computers or
microprocessors to an asynchronous serial data channel.
The receiver converts serial start, data, parity and stop bits.
The transmitter converts parallel data into serial form and
automatically adds start, parity and stop bits. The data word
length can be 5, 6, 7 or 8 bits. Parity may be odd or even.
Parity checking and generation can be inhibited. The stop
bits may be one or two or one and one-half when transmit-
ting 5-bit code.
The HD-6402 can be used in a wide range of applications
including modems, printers, peripherals and remote data
acquisition systems. Utilizing the Intersil advanced scaled
SAJI IV CMOS process permits operation clock frequencies
up to 8.0MHz (500K Baud). Power requirements, by compar-
ison, are reduced from 300mW to 10mW. Status logic
increases flexibility and simplifies the user interface.
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
CMOS Universal Asynchronous
TRC
EPE
CLS1
CLS2
SBS
PI
CRL
TBR8
TBR7
TBR6
TBR5
TBR4
TBR3
TBR2
TBR1
TRO
TRE
TBRL
TBRE
MR
HD3-6402B-9
HD1-6402B-9
5962-9052502MQA
Receiver Transmitter (UART)
8MHz = 500K BAUD
HD-6402
File Number
E40.6
F40.6
F40.6
PKG. NO.
2956.1

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HD1-6402B-9 Summary of contents

Page 1

... SFD 16 25 RRC 17 24 DRR RRI HD-6402 Receiver Transmitter (UART) 8MHz = 500K BAUD PKG. NO. HD3-6402B-9 E40.6 HD1-6402B-9 F40.6 5962-9052502MQA F40.6 TRC EPE CLS1 CLS2 SBS PI CRL TBR8 TBR7 TBR6 TBR5 TBR4 TBR3 TBR2 TBR1 TRO TRE TBRL TBRE ...

Page 2

Functional Diagram (24) TRE (22) TBRE † (23) TBRL TRANSMITTER TIMING AND (40) TRC CONTROL (38) CLS1 (37) CLS2 (34) CRL (21) MR (17) RRC RECEIVER TIMING AND CONTROL (18) DRR (19) DR † (16) SFD † THESE OUTPUTS ARE ...

Page 3

Pin Description PIN TYPE SYMBOL DESCRIPTION 1 V Positive Voltage Supply † Connection 3 GND Ground 4 I RRD A high level on RECEIVER REGISTER DISABLE forces the receiver holding out-puts RBR1-RBR8 to high impedance state. ...

Page 4

Transmitter Operation The transmitter section accepts parallel data, formats the data and transmits the data in serial form on the Transmitter Regis- ter Output (TRO) terminal (See serial data format). Data is loaded from the inputs TBR1-TBR8 into the Transmitter ...

Page 5

START BIT Start Bit Detection The receiver uses a 16X clock timing. The start bit could have occurred as much as one clock cycle before it was detected, as indicated by the shaded portion (A). The center of the start ...

Page 6

Absolute Maximum Ratings Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 7

... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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