mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 56

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 1 MC9S12E256 Device Overview (MC9S12E256DGV1)
1.2.2
The part ID is located in two 8-bit registers PARTIDH and PARTIDL (addresses 0x001A and 0x001B after
reset. The read-only value is a unique part ID for each revision of the chip.
part ID numbers.
The device memory sizes are located in two 8-bit registers MEMSIZ0 and MEMSIZ1 (addresses 0x001C
and 0x001D after reset).
“Module Mapping Control (MMCV4)”
56
Part ID Assignments
1
The coding is as follows:
Table 1-3
MC9S12E256
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
MC9S12E256
MC9S12E256
Device
Device
Table 1-2. Assigned Part ID Numbers
shows the read-only values of these registers. Refer to
Table 1-3. Memory Size Registers
MC9S12E256 Data Sheet, Rev. 1.08
for further details.
Mask Set Number
Register name
MEMSIZ0
MEMSIZ1
0L43X
Value
0x07
0x81
Part ID
0x5000
Table 1-2
1
Freescale Semiconductor
shows the assigned
Chapter 19,