XC68HC705JJ7 Motorola, XC68HC705JJ7 Datasheet - Page 128

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

Analog Subsystem
Advance Information
128
Point
0
1
2
3
4
5
Begin initial discharge and select mode 0
by clearing the CHG, ATD2, and ATD1
control bits in the ACR.
V
Stop discharge and begin charge by setting
CHG control bit in ACR.
V
trips, setting CPF2 and CMP2.
V
Begin next discharge by clearing the CHG
control bit in the ACR. Reset CPF2 by
writing a 1 to CPFR2.
CAP
CAP
CAP
COMP2
V
CHG
OCF
TOF
CAP
ICF
V
falls to V
rises to V
reaches V
X
Figure 8-8. A/D Conversion — Full Manual Control (Mode 0)
0
SS
X
MAX
.
and comparator 2 output
Action
1
.
(MIN)
t
DIS
t
DIS
2
Analog Subsystem
t
CHG
Software write
Wait out minimum t
Software write
Wait out t
None
Software write
t
MAX
Software/Hardware Action
3
CHG
time.
MC68HC705JJ7 • MC68HC705JP7 — REV 4
4
DIS
time.
5
1
(MIN)
t
DIS
Software
V
Software
V
V
Software
V
Dependent Variable(s)
V
MAX
MAX
X
MAX
X
, I
=
CHG
, I
, I
t
CHG
DIS
CHG
C
, C
EXT
x I
, C
CHG
, C
EXT
MOTOROLA
EXT
EXT