Part Id Assignments; Table 1-3 Assigned Part Id Numbers; Table 1-4 Memory Size Registers - Motorola MC9S12DT256 User Manual

MC9S12DT256 Device User Guide — V03.07
$02C0 - $03FF
Address Name
$02C0
Reserved
- $03FF

1.7 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.
MC9S12DT256
MC9S12DT256
MC9S12DT256
MC9S12DT256
MC9S12DT256
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
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 section Module
Mapping and Control (MMC) of HCS12 Core User Guide for further details.
50
Reserved space
Bit 7 Bit 6
Read: 0
Write:

Table 1-3 Assigned Part ID Numbers

Device

Table 1-4 Memory size registers

Register name
MEMSIZ0
MEMSIZ1
Bit 5 Bit 4
0 0 0
Mask Set Number
0L91N
1L91N
3L91N
4L91N
0L01Y
Value
$25
$81
Bit 3 Bit 2 Bit 1
0 0 0
1
Part ID
$0030
$0031
$0032
$0034
$0033
Bit 0
0