AN1740 Freescale Semiconductor / Motorola, AN1740 Datasheet - Page 12

• Manufacturer Part Number: AN1740
• Description: Applications Using the Analog Subsystem on MC68HC05JJ/JP Series Microcontrollers
• Manufacturer: Freescale Semiconductor / Motorola

Application Note
12
V
DD
R1
R2
CAN ALSO USE
PB2, PB3, OR PB4
WITH REQUIRED MUX
CAN ALSO USE
PB2, PB3, OR PB4
WITH REQUIRED MUX
V
V
R3
REF
REF
Freescale Semiconductor, Inc.
Figure 4. Comparator 2 Configurations
V
V
V
X
X
X
For More Information On This Product,
PB0
PB1
P
PB0
PB1
PB0
PB1
XX
CAN ALSO USE
PB2, PB3, OR PB4
WITH REQUIRED MUX
MUX1
Go to: www.freescale.com
MUX1
MUX1
SAMPLE
SAMPLE
SAMPLE
(10 PF)
(10 PF)
(10 PF)
CAP
CAP
CAP
HOLD
HOLD
HOLD
+
–
+
+
–
–
COMP2
COMP2
PB1 INPUT
DDRB1
PB0 INPUT
DDRB0
COMP2
CP2EN
CP2EN
CP2EN
INV
INV
INV
V
V
V
DD
DD
DD
DATA
DDRXX = 1
D
C
CPFR2
D
C
D
C
CPFR2
CPFR2
R
R
R
Q
Q
Q
CPF2
CMP2
CPF2
CPF2
CMP2
CMP2
MOTOROLA
CASE 1
CASE 4
CASE 5
AN1740