參數(shù)資料
型號: 9S12DT256DGV3
廠商: Motorola, Inc.
英文描述: MC9S12DT256 Device User Guide V03.03
中文描述: MC9S12DT256設(shè)備的用戶手冊V03.03
文件頁數(shù): 52/130頁
文件大小: 2077K
代理商: 9S12DT256DGV3
MC9S12DT256 Device User Guide — V03.03
50
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.
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.
$02C0 - $03FF
Reserved space
Address
$02C0
- $03FF
Name
Bit 7
0
Bit 6
0
Bit 5
0
Bit 4
0
Bit 3
0
Bit 2
0
Bit 1
0
Bit 0
0
Reserved
Read:
Write:
Table 1-3 Assigned Part ID Numbers
Device
Mask Set Number
Part ID
1
$0030
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
MC9S12DT256
0L91N
Table 1-4 Memory size registers
Register name
MEMSIZ0
Value
$25
MEMSIZ1
$81
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