MC68HC2681FN datasheet, PDF - EEWORLD Datasheet

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MC68HC2681FN: Description2 CHANNEL(S), 1Mbps, SERIAL COMM CONTROLLER, PQCC44, PLASTIC, LCC-44; CategoryThe embedded processor and controller Microcontrollers and processors; File Size727KB，88 Pages; ManufacturerNXP; Websitehttps://www.nxp.com

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MC68HC2681FN Overview

2 CHANNEL(S), 1Mbps, SERIAL COMM CONTROLLER, PQCC44, PLASTIC, LCC-44

MC68HC2681FN Parametric

Parameter Name	Attribute value
Maker	NXP
Parts packaging code	LCC
package instruction	QCCJ,
Contacts	44
Reach Compliance Code	unknown
Address bus width	5
boundary scan	NO
Bus compatibility	68000
maximum clock frequency	4 MHz
letter of agreement	ASYNC, BIT
Maximum data transfer rate	0.125 MBps
External data bus width	8
JESD-30 code	S-PQCC-J44
length	16.5862 mm
low power mode	NO
Number of serial I/Os	2
Number of terminals	44
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Package shape	SQUARE
Package form	CHIP CARRIER
Certification status	Not Qualified
Maximum seat height	4.57 mm
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
width	16.5862 mm
uPs/uCs/peripheral integrated circuit type	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL

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Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc...

MC68HC681

DUAL ASYNCHRONOUS

RECEIVER/TRANSMITTER

(DUART)

™

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding

the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and

specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different

applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not

convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems

intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola

product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or

unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims,

costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such

unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and

are

registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.

For More Information On This Product,

Go to: www.freescale.com

Freescale Semiconductor, Inc.

TABLE OF CONTENTS

Paragraph

Number

Title

Section 1

Introduction

Page

Number

Freescale Semiconductor, Inc...

1.1

1.2

1.3

1.4

1.5

1.6

1.7

Internal Control Logic ...........................................................................

Timing Logic .........................................................................................

Interrupt Control Logic..........................................................................

Data Bus Buffer ....................................................................................

Communication Channels A and B ......................................................

Input Port..............................................................................................

Output Port ...........................................................................................

Section 2

Signal Descriptions

1-4

1-5

1-6

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

2.10

2.11

2.12

2.13

2.14

2.14.1

2.14.2

2.14.3

2.14.4

2.14.5

2.14.6

2.15

2.15.1

2.15.2

2.15.3

2.15.4

and GND .......................................................................................

Crystal Input or External CLOCK (X1)..................................................

Crystal Input (X2) .................................................................................

RESET (RESET) ..................................................................................

Chip-Select (CS) ..................................................................................

Read/Write (R/W) .................................................................................

Data Transfer Ackowledge (DTACK) ...................................................

Data Bus (D0–D7) ................................................................................

Interupt Request (IRQ) .........................................................................

Interupt Ackowledge (IACK) .................................................................

Channel A/B Transmitter Serial-Data Output (TxDA/TxDB).................

Channel A/B Receiver Serial-Data Input (RxDA/RxDB).......................

Parallel Inputs (IP0–IP5) ......................................................................

IP0 ..............................................................................................

IP1 ..............................................................................................

IP2 ..............................................................................................

IP3 ..............................................................................................

IP4 ..............................................................................................

IP5 ..............................................................................................

Parallel Outputs (OP0–OP7) ................................................................

OP0 ............................................................................................

OP1 ............................................................................................

OP2 ............................................................................................

OP3 ............................................................................................

2-2

2-3

2-4

2-5

2-6

MOTOROLA

MC68HC681 USER’S MANUAL

For More Information On This Product,

Go to: www.freescale.com

MC68HC2681FN Related Products

	MC68HC2681FN	MC68HC681P	MC68HC2681P	MC68HC681FN
Description	2 CHANNEL(S), 1Mbps, SERIAL COMM CONTROLLER, PQCC44, PLASTIC, LCC-44	2 CHANNEL(S), 1Mbps, SERIAL COMM CONTROLLER, PDIP40, PLASTIC, DIP-40	2 CHANNEL(S), 1Mbps, SERIAL COMM CONTROLLER, PDIP40, PLASTIC, DIP-40	2 CHANNEL(S), 1Mbps, SERIAL COMM CONTROLLER, PQCC44, PLASTIC, LCC-44
Maker	NXP	NXP	NXP	NXP
Parts packaging code	LCC	DIP	DIP	LCC
package instruction	QCCJ,	DIP,	DIP,	QCCJ,
Contacts	44	40	40	44
Reach Compliance Code	unknown	unknown	unknown	unknown
Address bus width	5	5	5	5
boundary scan	NO	NO	NO	NO
Bus compatibility	68000	68000	68000	68000
maximum clock frequency	4 MHz	4 MHz	4 MHz	4 MHz
letter of agreement	ASYNC, BIT	ASYNC, BIT	ASYNC, BIT	ASYNC, BIT
Maximum data transfer rate	0.125 MBps	0.125 MBps	0.125 MBps	0.125 MBps
External data bus width	8	8	8	8
JESD-30 code	S-PQCC-J44	R-PDIP-T40	R-PDIP-T40	S-PQCC-J44
length	16.5862 mm	52.07 mm	52.07 mm	16.5862 mm
low power mode	NO	NO	NO	NO
Number of serial I/Os	2	2	2	2
Number of terminals	44	40	40	44
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	QCCJ	DIP	DIP	QCCJ
Package shape	SQUARE	RECTANGULAR	RECTANGULAR	SQUARE
Package form	CHIP CARRIER	IN-LINE	IN-LINE	CHIP CARRIER
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	4.57 mm	5.08 mm	5.08 mm	4.57 mm
Maximum supply voltage	5.25 V	5.25 V	5.25 V	5.25 V
Minimum supply voltage	4.75 V	4.75 V	4.75 V	4.75 V
Nominal supply voltage	5 V	5 V	5 V	5 V
surface mount	YES	NO	NO	YES
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal form	J BEND	THROUGH-HOLE	THROUGH-HOLE	J BEND
Terminal pitch	1.27 mm	2.54 mm	2.54 mm	1.27 mm
Terminal location	QUAD	DUAL	DUAL	QUAD
width	16.5862 mm	15.24 mm	15.24 mm	16.5862 mm
uPs/uCs/peripheral integrated circuit type	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL

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