68HC05P9A datasheet(87/90 Pages) FREESCALE

87 / 90 page

GENERAL RELEASE SPECIFICATION

ORDERING INFORMATION

Rev. 2.0

15-3

If the memory map has two user ROM areas with the same address, then write

the two areas in separate ﬁles on the diskette. Label the diskette with both ﬁle

names.

In addition to the object code, a ﬁle containing the source code can be included.

Motorola keeps this code conﬁdential and uses it only to expedite ROM pattern

generation in case of any difﬁculty with the object code. Label the diskette with the

ﬁle name of the source code.

15.3

ROM Program Veriﬁcation

The primary use for the on-chip ROM is to hold the customer’s application

program. The customer develops and debugs the application program and then

submits the MCU order along with the application program.

Motorola inputs the customer’s application program code into a computer program

that generates a listing verify ﬁle. The listing verify ﬁle represents the memory

map of the MCU. The listing verify ﬁle contains the user ROM code and may also

contain non-user ROM code, such as self-check code. Motorola sends the

customer a computer printout of the listing verify ﬁle along with a listing verify

form.

To aid the customer in checking the listing verify ﬁle, Motorola will program the

listing verify ﬁle into customer-supplied blank preformatted Macintosh or DOS

disks. All original pattern media are ﬁled for contractual purposes and are not

returned.

Check the listing verify ﬁle thoroughly, then complete and sign the listing verify

form and return the listing verify form to Motorola. The signed listing verify form

constitutes the contractual agreement for the creation of the custom mask.

15.4

ROM Veriﬁcation Units (RVUs)

After receiving the signed listing verify form, Motorola manufactures a custom

photographic mask. The mask contains the customer’s application program and is

used to process silicon wafers. The application program cannot be changed after

the manufacture of the mask begins. Motorola then produces 10 MCUs, called

RVUs, and sends the RVUs to the customer. RVUs are usually packaged in

unmarked ceramic and tested to 5 Vdc at room temperature. RVUs are not tested

to environmental extremes because their sole purpose is to demonstrate that the

customer’s user ROM pattern was properly implemented. The 10 RVUs are free of

charge with the minimum order quantity. These units are not to be used for

qualiﬁcation or production. RVUs are not guaranteed by Motorola Quality

Assurance.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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