MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 110

• Manufacturer Part Number: MC68HC908QY2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Oscillator Module (OSC)
8.6.1 Wait Mode
8.6.2 Stop Mode
8.7 Oscillator During Break Mode
8.8 CONFIG2 Options
110
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
The WAIT instruction has no effect on the oscillator logic. BUSCLKX2
and BUSCLKX4 continue to drive to the SIM module.
The STOP instruction disables either the XTALCLK, the RCCLK, or
INTCLK output, hence BUSCLKX2 and BUSCLKX4.
The oscillator continues to drive BUSCLKX2 and BUSCLKX4 when the
device enters the break state.
Two CONFIG2 register options affect the operation of the oscillator
module: OSCOPT1 and OSCOPT0. All CONFIG2 register bits will have
a default configuration. Refer to
(CONFIG)
Table 8-2
clock source.
OSCOPT1
shows how the OSCOPT bits are used to select the oscillator
for more information on how the CONFIG2 register is used.
0
0
1
1
Oscillator Module (OSC)
OSCOPT0
Table 8-2. Oscillator Modes
0
1
0
1
Section 5. Configuration Register
External Oscillator
Oscillator Modes
Internal Oscillator
External Crystal
External RC
MOTOROLA