參數(shù)資料
型號: MC68HC08LT8CFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.40 MM THICKNESS, 0.80 MM PITCH, ROHS COMPLIANT, MS-026BCB, LQFP-44
文件頁數(shù): 45/156頁
文件大小: 1107K
代理商: MC68HC08LT8CFGE
Break Module (BRK)
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
139
15.2.2 Break Module Registers
These registers control and monitor operation of the break module:
Break status and control register (BRKSCR)
Break address register high (BRKH)
Break address register low (BRKL)
Break status register (BSR)
Break flag control register (BFCR)
15.2.2.1 Break Status and Control Register (BRKSCR)
The break status and control register contains break module enable and status bits.
BRKE — Break Enable Bit
This read/write bit enables breaks on break address register matches. Clear BRKE by writing a logic
zero to bit 7. Reset clears the BRKE bit.
1 = Breaks enabled on 16-bit address match
0 = Breaks disabled
BRKA — Break Active Bit
This read/write status and control bit is set when a break address match occurs. Writing a logic one to
BRKA generates a break interrupt. Clear BRKA by writing a logic zero to it before exiting the break
routine. Reset clears the BRKA bit.
1 = Break address match
0 = No break address match
Address: $FE0E
Bit 7
654321
Bit 0
Read:
BRKE
BRKA
000000
Write:
Reset:
00000000
= Unimplemented
Figure 15-2. Break Status and Control Register (BRKSCR)
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