PIC12CE674-10E/P Microchip Technology, PIC12CE674-10E/P Datasheet - Page 453
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PIC12CE674-10E/P
Manufacturer Part Number
PIC12CE674-10E/P
Description
IC MCU OTP 2KX14 A/D&EE 8DIP
Manufacturer
Microchip Technology
Series
PIC® 12Cr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC12CE673-10P.pdf
(129 pages)
3.PIC12CE673-10P.pdf
(3 pages)
4.PIC12CE673-10P.pdf
(14 pages)
5.PIC12CE673-10P.pdf
(12 pages)
Specifications of PIC12CE674-10E/P
Core Size
8-Bit
Program Memory Size
3.5KB (2K x 14)
Core Processor
PIC
Speed
10MHz
Peripherals
POR, WDT
Number Of I /o
5
Program Memory Type
OTP
Eeprom Size
16 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Controller Family/series
PIC12
No. Of I/o's
6
Eeprom Memory Size
16Byte
Ram Memory Size
128Byte
Cpu Speed
10MHz
No. Of Timers
1
Processor Series
PIC12C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
5
Number Of Timers
8
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Connectivity
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC12CE674-10E/P
Manufacturer:
Microchip Technology
Quantity:
135
Company:
Part Number:
PIC12CE674-10E/P
Manufacturer:
MICROCHIP
Quantity:
12 000
- PIC16F688T-ISL PDF datasheet
- PIC12CE673-10P PDF datasheet #2
- PIC12CE673-10P PDF datasheet #3
- PIC12CE673-10P PDF datasheet #4
- PIC12CE673-10P PDF datasheet #5
- Current page: 453 of 688
- Download datasheet (3Mb)
Resolution
.
Slope A/D
1997 Microchip Technology Inc.
(Bits)
16
14
12
10
Conversion
Time (ms)
16.384
4.096
1.024
0.256
The selection of the external capacitor is determined by the desired characteristics of the appli-
cation. These include
• Input Voltage Range (widest range of all input channels)
• Conversion Time
• Programmable Current Source Output Values
The selection of these values should be done to minimize the time between a comparator trip
(ADCIF bit is set) to the ADTMR overflow (OVFIF is set). This ensures that the entire range of
the ADTMR is used for the A/D conversion process.
The equation for selecting the ramp capacitor value is:
Table 24-2
time, and full scale voltage measurement.
This capacitor on the CDAC pin should have a low voltage-coefficient as found in teflon, polypro-
pylene, or polystyrene capacitors, for optimum results. This external capacitor must be dis-
charged at the beginning of each conversion cycle by setting the ADRST bit (ADCON0<1>). The
time for the ADRST bit to be set depends on the characteristics of the external capacitor for a
complete discharge.
Table 24-2: External Capacitor Selection (@ 4 MHz)
Capacitor = (conversion time in seconds) X
(Volts)
Scale
Full
3.5
2.0
1.5
3.5
2.0
1.5
3.5
2.0
1.5
3.5
2.0
1.5
provides example capacitor values for the desired Slope A/D resolution, conversion
(current source output in amps) / (full scale in volts)
ADDAC3:ADDC0
Slope A/D Current Source Select
1100
1010
1011
1101
1011
1100
1101
1001
1010
1011
1010
1011
Section 24. Slope A/D
Typical Output
( amps)
24.75
29.25
24.75
29.25
20.25
24.75
24.75
22.5
22.5
22.5
27
27
Calculated
Capacitor
0.126 F
0.184 F
0.270 F
50.7 nF
73.7 nF
8.56 nF
10.4 nF
15.4 nF
1.81 nF
2.88 nF
4.22 nF
CDAC
34 nF
DS31024A-page 24-11
Nearest Standard
CDAC Capacitor
0.12 F
0.18 F
0.27 F
8.2 nF
1.8 nF
2.7 nF
3.9 nF
Value
33 nF
47 nF
68 nF
10 nF
15 nF
24
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