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MC68HC908LJ12 Datasheet, PDF (73/413 Pages) Freescale Semiconductor, Inc – 8-bit microcontroller units
Configuration Registers (CONFIG)
SSREC — Short Stop Recovery
SSREC enables the CPU to exit stop mode with a delay of 32 ICLK
cycles instead of a 4096 ICLK cycle delay.
1 = Stop mode recovery after 32 ICLK cycles
0 = Stop mode recovery after 4096 ICLK 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.
NOTE:
When the LVISTOP is enabled, the system stabilization time for power
on reset and long stop recovery (both 4096 ICLK cycles) gives a delay
longer than the enable time for the LVI. There is no period where the
MCU is not protected from a low power condition. However, when using
the short stop recovery configuration option, the 32 ICLK delay is less
than the LVI’s turn-on time and there exists a period in start-up where the
LVI is not protecting the MCU.
STOP — STOP Instruction Enable
STOP enables the STOP instruction.
1 = STOP instruction enabled
0 = STOP instruction treated as illegal opcode
COPD — COP Disable Bit
COPD disables the COP module. (See Section 20. Computer
Operating Properly (COP).)
1 = COP module disabled
0 = COP module enabled
Technical Data
74
Configuration Registers (CONFIG)
MC68HC908LJ12 — Rev. 2.1
Freescale Semiconductor