參數(shù)資料
型號： MC68HC08GP8AMFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 18/126頁
文件大?。?/td> 4243K
代理商： MC68HC08GP8AMFB
Mask Option Registers (MOR1 and MOR2)
Data Sheet
MC68HC08GP8A
114
Mask Option Registers (MOR1 and MOR2)
MOTOROLA
COPRS — COP Rate Select Bit
COPRS selects the COP timeout period. Reset clears COPRS. See Section 5.
1 = COP timeout period = 213 – 24 CGMXCLK cycles
0 = COP timeout period = 218 – 24 CGMXCLK cycles
LVISTOP — LVI Enable in Stop Mode Bit
When the LVIPWRD bit is clear, setting the LVISTOP bit enables the LVI to
operate during stop mode. Reset clears LVISTOP. See 9.5.2 Stop Mode.
1 = LVI enabled during stop mode
0 = LVI disabled during stop mode
LVIRSTD — LVI Reset Disable Bit
LVIRSTD disables the reset signal from the LVI module. See Section 10.
1 = LVI module resets disabled
0 = LVI module resets enabled
LVIPWRD — LVI Power Disable Bit
LVIPWRD disables the LVI module. See Section 10. Low-Voltage Inhibit
1 = LVI module power disabled
0 = LVI module power enabled
LVI5OR3 — LVI 5-V or 3-V Operating Mode Bit
LVI5OR3 selects the voltage operating mode of the LVI module. See Section
10. Low-Voltage Inhibit (LVI). The voltage mode selected for the LVI should
match the operating VDD. See Section 20. Electrical Specifications for the
LVI’s voltage trip points for each of the modes.
1 = LVI operates in 5-V mode
0 = LVI operates in 3-V mode
SSREC — Short Stop Recovery Bit
SSREC enables the CPU to exit stop mode with a delay of 32 CGMXCLK cycles
instead of a 4096-CGMXCLK cycle delay.
1 = Stop mode recovery after 32 CGMXCLK cycles
0 = Stop mode recovery after 4096 CGMXCLKC cycles
NOTE:
Exiting stop mode by pulling reset will result in the long stop recovery.
If using an external crystal oscillator, do not set the SSREC bit.
Address:
$001F
Bit 7
654321
Bit 0
Read:
COPRS
LVISTOP
LVIRSTD
LVIPWRD
LVI5OR3
SSREC
STOP
COPD
Write:
Reset:
Mask defined
= Unimplemented
Figure 11-2. Mask Option Register 1 (MOR1)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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