MC9S12B128_05 Datasheet, PDF (48/132 Pages) Motorola, Inc – Covers also preliminary MC9S12B64 using MC9S12B128 die

Device User Guide — 9S12B128DGV1/D V01.13
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 1-3 shows the assigned
part ID number.
Table 1-3 Assigned Part ID Numbers
Device
Mask Set Number
MC9S12B128
0L80R
MC9S12B128
1L80R
MC9S12B128
2L80R
MC9S12B128
3L80R
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
$2100
$2101
$2102
$2103
The device memory sizes are located in two 8-bit registers MEMSIZ0 and MEMSIZ1 (addresses $001C
and $001D after reset). Table 1-4 shows the read-only values of these registers. Refer to HCS12 Module
Mapping Control (MMC) Block Guide for further details.
Table 1-4 Memory Size Registers
Register name
MEMSIZ0
MEMSIZ1
Value
$11
$C0
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