Z8F0113 datasheet(30/245 Pages) ZILOG

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PS024315-1011

P R E L I M I N A R Y

Data Memory

Z8 Encore! XP® F0823 Series

Product Specification

Data Memory

Z8 Encore! XP F0823 Series does not use the eZ8 CPU’s 64KB Data Memory address

space.

Flash Information Area

Table 7 lists the F0823 Series Flash Information Area. This 128B Information Area is

accessed by setting bit 7 of the Flash Page Select Register to 1. When access is enabled,

the Flash Information Area is mapped into the Program Memory and overlays the 128

bytes at addresses FE00H to FF7FH. When the Information Area access is enabled, all

reads from these Program Memory addresses return the Information Area data rather than

the Program Memory data. Access to the Flash Information Area is read-only.

Z8F0123 and Z8F0113 Products

0000–0001

Flash Option Bits

0002–0003

Reset Vector

0004–0005

WDT Interrupt Vector

0006–0007

Illegal Instruction Trap

0008–0037

Interrupt Vectors*

0038–003D

Oscillator Fail Traps*

003E–03FF

Program Memory

Table 7. F0823 Series Flash Memory Information Area Map

Program Memory

Address (Hex)

Function

FE00–FE3F

Zilog Option Bits.

FE40–FE53

Part Number.

20-character ASCII alphanumeric code

Left-justified and filled with FH.

FE54–FE5F

Reserved.

FE60–FE7F

Zilog Calibration Data.

FE80–FFFF

Reserved.

Table 6. Z8 Encore! XP F0823 Series Program Memory Maps (Continued)

Program Memory Address (Hex)

Function

Note: *See the Trap and Interrupt Vectors in Order of Priority section on page 55

for a list of the interrupt vectors and traps.

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