MC68HC705JP7CDW Freescale Semiconductor, MC68HC705JP7CDW Datasheet - Page 85

• Manufacturer Part Number: MC68HC705JP7CDW
• Description: IC MCU 8BIT 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705JP7CDW

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SIO
• Peripherals: POR, Temp Sensor, WDT
• Number Of I /o: 22
• Program Memory Size: 6KB (6K x 8)
• Program Memory Type: OTP
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Freescale Semiconductor
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
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
MC68HC705JJ7 • MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
Figure 8-8. A/D Conversion — Full Manual Control (Mode 0)
SS
0
X
MAX
.
and comparator 2 output trips,
.
Action
1
(MIN)
t
DIS
t
DIS
2
t
CHG
Software write
Wait out minimum t
Software write
Wait out t
None
Software write
t
MAX
Software/Hardware Action
CHG
3
time.
DIS
4
time.
5
1
(MIN)
t
DIS
Software
V
Software
V
V
Software
V
A/D Conversion Methods
V
MAX
MAX
X
MAX
Dependent Variable(s)
X
, I
=
CHG
, I
, I
t
CHG
DIS
CHG
C
, C
EXT
x I
, C
, C
EXT
CHG
EXT
EXT
85