參數(shù)資料
型號(hào): 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): 47/156頁
文件大?。?/td> 1107K
代理商: MC68HC08LT8CFGE
Development Support
MC68HC08LT8 Data Sheet, Rev. 1
140
Freescale Semiconductor
15.2.2.2 Break Address Registers
The break address registers contain the high and low bytes of the desired breakpoint address. Reset
clears the break address registers.
15.2.2.3 Break Status Register
The break status register contains a flag to indicate that a break caused an exit from stop or wait mode.
SBSW — SIM Break Stop/Wait
This status bit is useful in applications requiring a return to wait or stop mode after exiting from a break
interrupt. Clear SBSW by writing a logic zero to it. Reset clears SBSW.
1 = Stop mode or wait mode was exited by break interrupt
0 = Stop mode or wait mode was not exited by break interrupt
SBSW can be read within the break state SWI routine. The user can modify the return address on the
stack by subtracting one from it.
Address: $FE0C
Bit 7
654321
Bit 0
Read:
Bit 15
14
13
12
11
10
9
Bit 8
Write:
Reset:
00000000
Figure 15-3. Break Address Register High (BRKH)
Address: $FE0D
Bit 7
654321
Bit 0
Read:
Bit 7
654321
Bit 0
Write:
Reset:
00000000
Figure 15-4. Break Address Register Low (BRKL)
Address: $FE00
Bit 7
654321
Bit 0
Read:
RRRRRR
SBSW
R
Write:
Note(1)
Reset:
0
R
= Reserved
1. Writing a logic zero clears SBSW.
Figure 15-5. Break Status Register (BSR)
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