mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 30

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 1 MC9S12HZ256 Device Overview
1.3
The part ID is located in two 8-bit registers PARTIDH and PARTIDL at addresses 0x001A and 0X001B,
respectively. The rado-only value is a unique part ID for each revision of the chip.
assigned part ID and Mask Set numbers.
The device memory sizes are located in two 8-bit registers MEMSIZ0 and MEMZI1 (addresses 0x001C
and 0x001D after reset).
block description chapter for further details.
30
Part ID Assignments and Mask Set Numbers
MC9S12HZ256
MC9S12HZ128
MC3S12HZ256
MC3S12HZ128
MC9S12HZ64
MC9S12HN64
MC3S12HZ64
MC3S12HN64
MC3S12HZ32
MC3S12HN32
1
Bit 15-12: Major family identifier
Bit 11-8: Minor family identifier
Bit 7-4: Major mask set revision including fab transfers
Bit 3-0: Minor non-full mask set revision
Table 1-7
Part Names
The coding is as follows:
MC9S12HZ256
MC9S12HZ128
MC3S12HZ256
MC3S12HZ128
MC9S12HN64
MC3S12HN64
MC3S12HN32
MC9S12HZ64
MC3S12HZ64
MC3S12HZ32
Table 1-6. Assigned Part ID and Mask Set Numbers
Part Names
shows the read-only values of these registers. Refer to the HCS12 MMC
Table 1-7. Memory Size Registers
MC9S12HZ256 Data Sheet, Rev. 2.05
2L16Y/3L16Y
Mask Set
1M36C
MEMSIZ0
0x15
0x01
0x1402/0x1403
Part ID
0x1501
MEMSIZ1
1
0x81
0x80
Table 1-6
Freescale Semiconductor
shows the