Datasheet

Data Sheet MC68HC908LJ24/LK24 — Rev. 2.1
460 Freescale Semiconductor
A.3 Oscillator
The low-power oscillator supports a reference frequency of 32.768kHz
only; either from a crystal oscillator circuit (Figure A-1) or a direct clock
input to the OSC1 pin.
Figure A-1. MC68HC908LK24 Crystal Oscillator Connection
A.4 Low-Voltage Inhibit
The LVIPWRD bit in CONFIG1 register is logic 1 after any reset.
LVIPWRD — LVI Power Disable Bit
LVIPWRD disables the LVI module.
1 = LVI module power disabled
0 = LVI module power enabled
C
1
C
2
R
B
X
1
R
S
OSC2OSC1
32.768kHz
MCU
Address: $001F
Bit 7654321Bit 0
Read:
COPRS LVISTOP LVIRSTD LVIPWRD
0
SSREC STOP COPD
Write:
MC68HC908LK24 Reset: 00010000
MC68HC908LJ24 Reset: 0 0 0 0
††
0000
†† Reset by POR only.
= Unimplemented
Figure A-2. MC68HC908LK24 Configuration Register 1 (CONFIG1)