MC9S08DZ96F2CLL datasheet(98/458 Pages) FREESCALE

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Chapter 5 Resets, Interrupts, and General System Control

MC9S08DZ128 Series Data Sheet, Rev. 1

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)

76543210

Reserved

ID11

ID10

ID9

ID8

Reset:

1 The revision number that is hard coded into these bits reﬂects the current silicon revision level.

0000

= Unimplemented or Reserved

Table 5-8. SDIDH Register Field Descriptions

Field

Description

3:0

ID[11:8]

Part Identiﬁcation Number — MC9S08DZ128 Series MCUs are hard-coded to the value 0x0019. See also ID

bits in Table 5-9.

76543210

ID7

ID6

ID5

ID4

ID3

ID2

ID1

ID0

Reset:

00011001

= 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 — MC9S08DZ128 Series MCUs are hard-coded to the value 0x0019. See also ID

bits in Table 5-8.

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