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Chapter 5 Resets, Interrupts, and General System Control
MC9S08DZ60 Series Data Sheet, Rev. 4
82
Freescale Semiconductor
5.8.6
System Device Identification Register (SDIDH, SDIDL)
These high page read-only registers are included so host development systems can identify the HCS08
derivative and revision number. This allows the development software to recognize where specific memory
blocks, registers, and control bits are located in a target MCU.
Figure 5-7. System Device Identification Register — High (SDIDH)
7
6
5
4
3
2
1
0
R
Reserved
W
Reset:
0
1
1
The revision number that is hard coded into these bits reflects the current silicon revision level.
0
1
0
1
0
1
0
0
0
0
= Unimplemented or Reserved
Table 5-8. SDIDH Register Field Descriptions
Field
Description
3:0
ID[11:8]
Part Identification Number — MC9S08DZ60 Series MCUs are hard-coded to the value 0x00E. See also ID bits
in
7
6
5
4
3
2
1
0
R
W
Reset:
0
0
0
0
1
1
1
0
= Unimplemented or Reserved
Figure 5-8. System Device Identification Register — Low (SDIDL)
Table 5-9. SDIDL Register Field Descriptions
Field
Description
7:0
ID[7:0]
Part Identification Number — MC9S08DZ60 Series MCUs are hard-coded to the value 0x00E. See also ID bits
in