MC9S12A128 Datasheet, PDF (22/92 Pages) Motorola, Inc – Microcontroller unit (MCU)

MC9S12A128 Device Guide — V01.01
1.6 Part ID Assignments
The part ID is located in two 8-bit registers PARTIDH and PARTIDL (addresses $001A and $001B after
reset). The read-only value is a unique part ID for each revision of the chip. Table 1-2 shows the assigned
part ID number.
Table 1-2 Assigned Part ID Numbers
Device
Mask Set Number
MC9S12A128
0L85D
NOTES:
1. The coding is as follows:
Bit 15-12: Major family identifier
Bit 11-8: Minor family identifier
Bit 7-4: Major mask set revision number including FAB transfers
Bit 3-0: Minor - non full - mask set revision
Part ID¹
$0100
The device memory sizes are located in two 8-bit registers MEMSIZ0 and MEMSIZ1 (addresses $001C
and $001D after reset). Table 1-3 shows the read-only values of these registers. Refer to the HCS12 Core
User Guide (Motorola document order number HCS12COREUG/D) for further details.
Table 1-3 Memory Size Registers
Register name
MEMSIZ0
MEMSIZ1
Value
$13
$80
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