AN1740 Freescale Semiconductor / Motorola, AN1740 Datasheet - Page 10

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

Application Note
10
V
V
REF
REF
V
V
X
X
RESET
PB2
PB3
PB2
PB3
PB4
IRQ
PAx
OPTIONAL
EXTERNAL
CONNECTION
+
+
–
–
COMP1
COMP1
CP1EN
CP1EN
INV
INV
V
DD
R1
R2
Freescale Semiconductor, Inc.
Figure 3. Comparator 1 Configurations
For More Information On This Product,
R3
V
V
V
COE1
PB4 = 0
OPT
OLVL = 0
X
DD
DD
D
C
D
C
CPFR1
CPFR1
R
R
PB2
PB3
PB4
Q
Q
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CASE 1
CASE 3
CMP1
CPF1
CPF1
CMP1
+
–
COMP1
CP1EN
INV
V
V
V
OUT
REF
REF
V
V
DDRB4 = 1
X
X
DATA
V
DD
D
C
CPFR1
PB2
PB3
PB4
PB2
PB3
R
Q
CPF1
CMP1
+
–
+
–
COMP1
COMP1
CP1EN
CP1EN
INV
INV
V
PB2 INPUT
DDRB2
PB3 INPUT
DDRB3
V
DD
DD
COE1
PB4 = 0
OPT
OLVL = 0
D
C
D
C
CPFR1
CPFR1
R
R
Q
Q
MOTOROLA
CASE 2
CASE 4
CASE 5
AN1740
CPF1
CMP1
CPF1
CMP1