MC9S08AW8A FREESCALE [Freescale Semiconductor, Inc], MC9S08AW8A Datasheet - Page 76
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MC9S08AW8A
Manufacturer Part Number
MC9S08AW8A
Description
8-Bit HCS08 Central Processor Unit (CPU)
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S08AW8A.pdf
(344 pages)
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Chapter 5 Resets, Interrupts, and System Configuration
5.9.6
This read-only register is 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.
76
Reserved
Reset
Reset
ID[11:8]
ID[7:0]
Field
Field
7:4
3:0
7:0
W
W
R
R
System Device Identification Register (SDIDH, SDIDL)
Bits 7:4 are reserved. Reading these bits will result in an indeterminate value; writes have no effect.
Part Identification Number — Each derivative in the HCS08 Family has a unique identification number. The
MC9S08AC16 Series is hard coded to the value 0x012. See also ID bits in
ID7
Part Identification Number — Each derivative in the HCS08 Family has a unique identification number. The
MC9S08AC16 Series is hard coded to the value 0x012. See also ID bits in
—
0
7
7
Figure 5-7. System Device Identification Register — High (SDIDH)
= Unimplemented or Reserved
= Unimplemented or Reserved
Figure 5-8. System Device Identification Register — Low (SDIDL)
ID6
—
0
6
6
Table 5-8. SDIDH Register Field Descriptions
Table 5-9. SDIDL Register Field Descriptions
MC9S08AC16 Series Data Sheet, Rev. 6
ID5
—
0
5
5
ID4
—
1
4
4
Description
Description
ID11
ID3
3
0
3
0
ID10
ID2
0
0
2
Table
2
Table
5-9.
5-8.
Freescale Semiconductor
ID9
ID1
0
1
1
1
ID8
ID0
0
0
0
0
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