XC68HC705JJ7 Motorola, XC68HC705JJ7 Datasheet - Page 111

• Manufacturer Part Number: XC68HC705JJ7
• Description: MICROCONTROLLER
• Manufacturer: Motorola

MC68HC705JJ7 • MC68HC705JP7 — REV 4
MOTOROLA
temperature
Divide input
1. Don’t care
Direct input
Internal
sample
voltage
diode
Case
Hold
(AMUX)
HOLD
0
0
1
1
(AMUX)
DHOLD
TEMPERATURE
0
1
0
1
INTERNAL
Table 8-1. Comparator 2 Input Sources
DIODE
SELECTION
CHANNEL
BUS
(MOR)
OPT
X
X
X
0
1
1
(1)
(1)
(1)
V
DD
Figure 8-3. Comparator 2 Input Circuit
(ASR)
Analog Subsystem
VOFF
X
X
X
X
OFFSET
0
1
(1)
(1)
(1)
(1)
V
SS
80 k
80 k
Voltage
Offset
Yes
No
No
No
No
PB0
SAMPLE
CAP
Sample capacitor connected to
comparator 2 negative input; very low leakage
current.
Sample capacitor connected to comparator 2
negative input; bottom of capacitor offset from
V
leakage current.
Signal on channel selection bus is divided
by 2 and connected to sample capacitor
and comparator 2 negative input
Signal on channel selection bus is connected
directly to sample capacitor and comparator 2
negative input.
Internal temperature sensing diode connected
directly to sample capacitor and comparator 2
negative input.
+
–
SS
COMP2
by approximately 100 mV, very low
Source To Negative Input
of Comparator 2
Analog Multiplex Register
Advance Information
Analog Subsystem
VOFF
OPT (MOR)
HOLD
DHOLD
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