MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 40

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

General Description
1.5.1 Power Supply Pins (V
Advance Information
40
NOTE:
NOTE:
The following pin descriptions are just a quick reference. For a more
detailed representation, see
V
from a single power supply.
Fast signal transitions on MCU pins place high, short-duration current
demands on the power supply. To prevent noise problems, take special
care to provide power supply bypassing at the MCU as shown in
1-3. Place the C1 bypass capacitor as close to the MCU as possible. Use
a high-frequency response ceramic capacitor for C1. C2 is an optional
bulk current bypass capacitor for use in applications that require the port
pins to source high current levels.
V
for the serial clock in the Serial Peripheral Interface module (SPI). See
Section 17. Serial Peripheral Interface
V
DD
SS
SS
Freescale Semiconductor, Inc.
is also the ground for the port output buffers and the ground return
must be grounded for proper MCU operation.
and V
For More Information On This Product,
DD
and V
SS
Go to: www.freescale.com
NOTE: Component values shown represent typical applications.
are the power supply and ground pins. The MCU operates
Figure 1-3. Power supply bypassing
SS
General Description
)
V
DD
V
DD
Section 23. I/O
MCU
0.1 F
+
C1
C2
(SPI).
V
SS
Ports.
68HC908AZ32A — Rev 0.0
MOTOROLA
Figure