cop8tac9 National Semiconductor Corporation, cop8tac9 Datasheet - Page 57

• Manufacturer Part Number: cop8tac9
• Description: 8-bit Cmos Flash Microcontroller With 2k Byte Or 4k Byte Memory
• Manufacturer: National Semiconductor Corporation

20.0 Development Support
The following companies have approved COP8 programmers in a variety of configurations. Contact your vendor’s local office
or distributor and request a COP8FLASH update. You can link to their web sites and get the latest listing of approved
programmers at: www.national.com/cop8.
Advantech; BP Microsystems; Data I/O; Dataman; Hi-Lo Systems; KANDA, Lloyd Research; MQP; Needhams; Phyton; SofTec
Microsystems; System General; and Tribal Microsystems.
21.0 Revision History
December,
2002
April, 2003
June, 2003
August, 2003
February, 2004 Electrical Specifications,
May, 2004
February, 2005 General
April, 2005
SofTec Microsystems Via Roma, 1
Date
Vendor
User ISP and Virtual E
Restrictions on Software
When Calling ISP Routines
in Boot ROM
Multi-Input Wake-Up and
ACCESS.Bus Interface
Electrical Specifications,
Option Register and
ACCESS.Bus
Development Support
Reset
Memory Map
Electrical Specifications
Functional Description
33082 Azzano Decimo (PN)
Italy
Tel: [phone]
Fax: [phone]
Section
Home Office
2
Preliminary Datasheet Release.
Deleted
Deleted
Updated to account for C Port Wake-Up.
Added 1.8V input compatibility on L0 (SDA), L1 (SCL) and L2.
Added Electrical Specifications for ACCESS.Bus
Updated Electrical Specifications, Updated Development Support
Clarified need for external Reset in Brownout conditions.
Modified Recommended Reset Circuit to include external Brownout detector.
Added missing Port C.
Clarify differences between COP8TAx9 and COP8TAx5 to minimize problems
when generating ROM code for COP8TAx5 production.
General rework, through Section 11.0 In-System Programming, for clarity.
Increase Input Capacitance specification.
Add Oscillator Frequency specification.
Increase Typical R/C Oscillator specification.
Add Figure references to ACCESS.Bus timing specifications.
Correct SCL edge reference for SDA Valid Time.
Reduce Halt Current Specification.
Strengthening of recommendation for external power supervisory circuit and
addition of summary timing diagram for RESET operation.
Addition of missing Port F in Section 9.0 Pin Descriptions.
(Continued)
info
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support
57
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Summary of Changes
Germany:
Tel.:[phone]
France:
Tel: [phone]
UK:
Tel: [phone]
Other Main Offices
www.national.com