mc68hc908jb16 Freescale Semiconductor, Inc, mc68hc908jb16 Datasheet - Page 36

• Manufacturer Part Number: mc68hc908jb16
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

General Description
1.6.6 CGM Power Supply Pins (V
1.6.7 CGM Voltage Regulator Out (V
1.6.8 CGM Voltage Regulator In (V
1.6.9 External Filter Capacitor Pins (CGMXFC1, CGMXFC2)
1.6.10 CGM Clock Output Pins (CGMOUT1, CGMOUT2)
1.6.11 Port A Input/Output (I/O) Pins (PTA7/KBA7–PTA0/KBA0)
Technical Data
36
V
the analog portion of the clock generator modules (CGMs). Connect
V
pins to the same voltage potential as V
should be as per the digital supply.
V
V
should be as per the digital V
V
V
CGMXFC1 and CGMXFC2 are external capacitor connections for the
respective CGMs.
CGMOUT1 and CGMOUT2 are buffered VCO outputs of the respective
CGMs.
PTA7/KBA7–PTA0/KBA0 are general-purpose bidirectional I/O port
pins. (See
software configurable pullup device to V
an input. (See
as an external keyboard interrupt pin. (See
Interrupt Module
DDA
DDA
REGA0
REGA0
REGA1
REGA0
is the power supply pin, V
to the same voltage potential as V
. Decoupling of V
is the 3.3V output of the second on-chip voltage regulator.
is used for CGM1 and CGM2 operation. Decoupling of this pin
is the 3.3V input pin for CGM2. Connect V
Section 14. Input/Output (I/O)
DDA
REGA1
14.7 Port
, V
General Description
REGA0
SSA0
(KBI).)
)
)
, V
REGA1
Options.) Each pin can also be programmed
SSA1
REG
)
SSA0
pin should be as per V
.
and V
SS
DD
DD
. Decoupling of these pins
when the pin is configured as
. Connect V
SSA1
Ports.) Each pin contains a
Section 16. Keyboard
MC68HC908JB16
are the ground pins for
Freescale Semiconductor
REGA1
REGA0
SSA0
directly to
and V
.
—
Rev. 1.1
SSA1