Zilog Z8F0130 Uživatelský manuál stáhnout pdf (Strana 151)

UM013037-1212 Tools Menu

Zilog Developer Studio II – Z8 Encore!

User Manual

127

internal Flash is selected, the address range is displayed in the Flash Configuration

area with an INT extension.

5. To perform a cyclic redundancy check on the whole internal Flash memory, click

CRC.

The 16-bit CRC-CCITT polynomial (x

+ x

+ 1) is used for the CRC. The

CRC is preset to all 1s. The least-significant bit of the data is shifted through the poly-

nomial first. The CRC is inverted when it is transmitted. If the device is not in

Debug

mode, this command returns

FFFFH for the CRC value. The on-chip debugger reads

the program memory, calculates the CRC value, and displays the result in the

Status

area.

6. Select the pages to erase before flashing in the

Flash Configuration area.

Pages that are grayed out are not available.

7. Enter the appropriate offset values in the

File Offset field to offset the base address of

the hex file.

The hex file address is shifted by the offset defined in the Start Address area. You need to

allow for the shift in any defined jump table index. This offset value also shifts the erase

range for the Flash.

8. To check the memory, click

Memory. The View/Edit Memory dialog box is displayed.

In the

View/Edit Memory window, you can perform the following tasks:

– Select the appropriate memory space from the

Space drop-down list box.

– Move to a different address by typing the address in the address field and pressing

the

Enter key.

– Fill Memory

– see page 129

– Save Memory to a File

– see page 130

– Load a File into Memory

– see page 131

– Perform a Cyclic Redundancy Check

– see page 132

9. Select the Erase Before Flashing checkbox to erase all Flash memory before writing

the hex file to Flash memory.

You can also delete the Flash memory by clicking ERASE. Clicking ERASE deletes only

the pages that are selected.

Note:

Caution:

1 2 ... 146 147 148 149 150 151 152 153 154 155 156 ... 213 214

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