MCHC705JJ7CPE Freescale Semiconductor, MCHC705JJ7CPE Datasheet - Page 86

• Manufacturer Part Number: MCHC705JJ7CPE
• Description: IC MCU 8BIT 224 BYTES RAM 20PDIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MCHC705JJ7CPE

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SIO
• Peripherals: POR, Temp Sensor, WDT
• Number Of I /o: 14
• 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: 20-DIP (0.300", 7.62mm)
• Processor Series: HC705JJ
• Core: HC05
• Data Bus Width: 8 bit
• Data Ram Size: 224 B
• Interface Type: SIOP
• Maximum Clock Frequency: 2.1 MHz
• Number Of Programmable I/os: 14
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 4 Channel
• Package: 20PDIP
• Family Name: HC05
• Maximum Speed: 2.1 MHz
• Operating Supply Voltage: 3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Analog Subsystem
86
Point
0
1
2
3
COMP2
Begin initial discharge and select mode
1 by clearing CHG and ATD2 and setting
ATD1 in the ACR.
V
Stop discharge and begin charge by
setting CHG control bit in ACR.
V
output trips, setting CPF2 and CMP2,
which clears CHG control bit in the ACR.
Reset CPF2 by writing a 1 to CPFR2.
V
CHG
OCF
TOF
CAP
ICF
CAP
CAP
V
X
Figure 8-9. A/D Conversion — Manual/Auto Discharge Control (Mode 1)
falls to V
rises to V
0
MC68HC705JJ7 • MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
SS
X
Action
.
and comparator 2
1
(MIN)
t
t
DIS
DIS
2
Software write
Wait out minimum t
Software write
Wait out t
CPF2 clears CHG control bit.
t
CHG
Software/Hardware Action
CHG
time.
3
DIS
1
time.
(MIN)
t
DIS
Software
V
Software
V
2
MAX
X
, I
Dependent Variable(s)
CHG
V
, I
Freescale Semiconductor
V
MAX
X
DIS
=
, C
, C
EXT
t
CHG
EXT
C
EXT
x I
CHG