PIC18F24J10-I/SS Microchip Technology Inc., PIC18F24J10-I/SS Datasheet - Page 219
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PIC18F24J10-I/SS
Manufacturer Part Number
PIC18F24J10-I/SS
Description
Microcontroller; 16 KB Flash; 1024 RAM; 0 EEPROM; 21 I/O; 28-Pin-SSOP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F24J10-ISS.pdf
(359 pages)
Specifications of PIC18F24J10-I/SS
A/d Inputs
10-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
0 Bytes
Input Output
21
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SSOP
Programmable Memory
16K Bytes
Ram Size
1K Bytes
Speed
40 MHz
Timers
1-8-bit, 2-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F24J10-I/SS
Manufacturer:
MICROCHIP
Quantity:
1 667
Part Number:
PIC18F24J10-I/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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17.7
Figure 17-4 shows the operation of the A/D converter
after the GO/DONE bit has been set and the
ACQT2:ACQT0 bits are cleared. A conversion is
started after the following instruction to allow entry into
Sleep mode before the conversion begins.
Figure 17-5 shows the operation of the A/D converter
after the GO/DONE bit has been set and the
ACQT2:ACQT0 bits are set to ‘010’ and selecting a 4
T
FIGURE 17-4:
FIGURE 17-5:
© 2006 Microchip Technology Inc.
AD
(Holding capacitor continues
acquiring input)
Set GO/DONE bit
acquisition time before the conversion starts.
1
T
CY
Set GO/DONE bit
T
A/D Conversions
Holding capacitor is disconnected from analog input (typically 100 ns)
ACQT
Acquisition
Automatic
- T
2
Time
AD
Conversion starts
Cycles
T
AD
3
1 T
A/D CONVERSION T
A/D CONVERSION T
AD
b9
4
2 T
Conversion starts
(Holding capacitor is disconnected)
AD
b8
1
3 T
b9
AD
2
b7
4 T
On the following cycle:
ADRESH:ADRESL is loaded, GO/DONE bit is cleared,
ADIF bit is set, holding capacitor is connected to analog input.
AD
b8
3
b6
AD
AD
5 T
On the following cycle:
ADRESH:ADRESL is loaded, GO/DONE bit is cleared,
ADIF bit is set, holding capacitor is connected to analog input.
CYCLES (ACQT<2:0> = 000, T
CYCLES (ACQT<2:0> = 010, T
Preliminary
AD
b5
b7
4
6 T
T
AD
b4
5
b6
AD
7 T
PIC18F45J10 FAMILY
Cycles
Clearing the GO/DONE bit during a conversion will abort
the current conversion. The A/D Result register pair will
NOT be updated with the partially completed A/D
conversion sample. This means the ADRESH:ADRESL
registers will continue to contain the value of the last
completed conversion (or the last value written to the
ADRESH:ADRESL registers).
After the A/D conversion is completed or aborted, a
2 T
be started. After this wait, acquisition on the selected
channel is automatically started.
AD
b3
b5
Note:
6
AD
8
wait is required before the next acquisition can
T
AD
b4
b2
7
9 T
The GO/DONE bit should NOT be set in
the same instruction that turns on the A/D.
AD
b3
8
b1
10
T
AD
b0
b2
ACQ
9
ACQ
11
T
= 0)
AD
10
= 4 T
Discharge
b1
1
AD
b0
DS39682B-page 217
11
)
T
Discharge
AD
1
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