參數(shù)資料
型號(hào): MC9SA256BCPVR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP112
封裝: TQFP-112
文件頁(yè)數(shù): 18/102頁(yè)
文件大?。?/td> 1050K
代理商: MC9SA256BCPVR2
MC9S12A256 Device Guide — V01.01
22
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 1-2 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 1-3 shows the read-only values of these registers. Refer to the HCS12 Core
User Guide (Motorola order number, HCS12COREUG/D) for further details.
Table 1-2 Assigned Part ID Numbers
Device
Mask Set Number
Part ID1
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
MC9S12A256
$0010
MC9S12A256
$0011
Table 1-3 Memory Size Registers
Register name
Value
MEMSIZ0
$25
MEMSIZ1
$81
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