MC68HC05V12 Datasheet, PDF (185/246 Pages) Freescale Semiconductor, Inc – HCMOS Microcontreller Unit

Freescale Semiconductor, Inc.
Gauge Drivers
Coil Drivers
DIRECTION
BIT
CONTROL
LOGIC
V_GSUP
MAJA1–
MAJA1+
MAJA2+
MAJA2-
FROM D/A
D/A AMP
+
-
S AND H
INPUT MUX
GAUGE COILS
R_Coil
L_Coil
= V_SSG
SHARED AMONG
CURRENT
R_I
ALL COIL DRIVERS
SENSE
MUX
Figure 15-2. Full H-Bridge Coil Driver
ALL COMPONENTS ARE
INTERNAL EXCEPT
THE GAUGE COILS
CONTROL
LOGIC
MINA1
V_GSUP
FROM D/A
D/A AMP
+
-
INPUT MUX
S AND H
MINA2+
GAUGE COILS
R_Coil
L_Coil
MINA2–
SHARED AMONG
ALL COIL DRIVERS
CURRENT
SENSE
MUX
ALL COMPONENTS ARE
EXTERNAL EXCEPT
THE GAUGE COILS
V_SSG
Figure 15-3. Half H-Bridge Coil Driver
= V_SSG
MC68HC05V12 — Rev. 2.0
Gauge Drivers
For More Information On This Product,
Go to: www.freescale.com
Technical Data