MC9S12T64 Datasheet, PDF (80/608 Pages) Motorola, Inc – Specification

Freescale Semiconductor, Inc.
System Configuration
MCU Variabilities
Part ID Register
Assignments
The PARTID register is located in the IPBI (IP-Bus interface) at address
$__1A,$__1B. It contains a unique part ID for each revision of the chip.
Table 17 contains the assigned part ID numbers.
Table 17 Assigned Part ID Numbers
Part Number
Mask Set Number
PARTID ⁽¹⁾
MC9S12T64
L42M
$422X
1. The coding is as follows:
Bit 15-12: Major Family identifier
Bit 11-8: Minor Family identifier
Bit 7-4: Major mask revision number including FAB transfers
Bit 3-0: Minor - non full - mask set revisions (Motorola use only for production
control. This field may be changed. User program should not refer this
field as an identification number.)
Part ID Register
This register is used to designate the part ID. Each revision of the chip
will have a unique value in the contents of this register
Read anytime.
Write never.
.
PARTIDH — Part ID Register High
Address Offset: $001A ⁽¹⁾
Bit 7
6
5
4
3
2
1
Bit 0
Read: ID15
ID14
ID13
ID12
ID11
ID10
ID9
ID8
Write:
Reset:
Refer to Table 17
= Unimplemented
1. Register Address = Base Address (INITRG) + Address Offset
MC9S12T64Revision 1.1.1
System Configuration
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