mc68hc908gp20 Freescale Semiconductor, Inc, mc68hc908gp20 Datasheet - Page 122

• Manufacturer Part Number: mc68hc908gp20
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

7.5 I/O Signals
7.5.1 Crystal Amplifier Input Pin (OSC1)
7.5.2 Crystal Amplifier Output Pin (OSC2)
Advance Information
122
Note: Filter network in box can be replaced with a 0.47 µF capacitor, but will degrade stability.
(FROM CONFIG)
OSCSTOPENB
OSC1
SIMOSCEN
C1
The following paragraphs describe the CGMC I/O signals.
The OSC1 pin is an input to the crystal oscillator amplifier.
The OSC2 pin is the output of the crystal oscillator inverting amplifier.
X1
RB
Figure 7-2. CGMC External Connections
OSC2
RS
C2
CGMXCLK
0.47 µF
10 k
CGMXFC
0.01 µF
V
MC68HC908GP20
SSA
Freescale Semiconductor
V
CBYP
0.1 µF
DDA
V
DD
—
Rev 2.1