Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8 Encore!®
19
Table 4. Z8F640x Family Program Memory Maps (Continued)
Program Memory Address (Hex) Function
Z8F480x Products
0000-0001
0002-0003
0004-0005
0006-0007
0008-0037
0038-BFFFH
Flash Option Bits
Reset Vector
WDT Interrupt Vector
Illegal Instruction Trap
Interrupt Vectors*
Program Memory
Z8F640x Products
0000-0001
0002-0003
0004-0005
0006-0007
0008-0037
0038-FFFFH
Flash Option Bits
Reset Vector
WDT Interrupt Vector
Illegal Instruction Trap
Interrupt Vectors*
Program Memory
* See Table 22 on page 45 for a list of the interrupt vectors.
Data Memory
The Z8F640x family devices contain 128 bytes of read-only memory at the top of the eZ8
CPU’s 64KB Data Memory address space. The eZ8 CPU’s LDE and LDEI instructions
provide access to the Data Memory information. Table 5 describes the Z8F640x family’s
Data Memory Map.
Table 5. Z8F640x family Data Memory Maps
Data Memory Address (Hex)
0000H-FFBFH
Function
Reserved
FFC0H-FFD3H
Part Number
20-character ASCII alphanumeric code
Left justified and filled with zeros
FFD4H-FFFFH
Reserved
PS017610-0404
Address Space
ZILOG [ ZILOG, INC. ]
