MC68HC705V12CFN MOTOROLA [Motorola, Inc], MC68HC705V12CFN Datasheet - Page 207

• Manufacturer Part Number: MC68HC705V12CFN
• Description: The Motorola microcontroller
• Manufacturer: MOTOROLA [Motorola, Inc]

15.12 External Component Considerations
MC68HC705V12
MOTOROLA
—
Rev. 3.0
To determine the values and tolerances of the external components
required to drive the air core gauge coils, the minimum V
the V12 pin, and the power dissipation should be considered.
Figure 15-15
coming in through the external devices the internal devices and into
V
SSG
.
shows the components in the path between the +12 V
Figure 15-15. Coil Driver Current Path
Gauge Drivers
PIN ON PACKAGE
GAUGE COILS
External Component Considerations
+12 V
R
L
R
Coil
+
V
+
Coil
V
COIL DRIVER PAD
I
SSG
V
V
GSUP
COIL DRIVER PAD
Diode
Pass
PAD
Advance Information
BATT
Gauge Drivers
voltage, at
207