PIC12C672-10I/P Microchip Technology, PIC12C672-10I/P Datasheet - Page 434
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC12C672-10I/P
Manufacturer Part Number
PIC12C672-10I/P
Description
IC MCU OTP 2KX14 A/D 8DIP
Manufacturer
Microchip Technology
Series
PIC® 12Cr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC12CE673-10P.pdf
(129 pages)
3.PIC12CE673-10P.pdf
(14 pages)
Specifications of PIC12C672-10I/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
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
Ram Memory Size
128Byte
Cpu Speed
10MHz
No. Of Timers
1
Digital Ic Case Style
DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMINGAC124001 - MODULE SKT PROMATEII 8DIP/SOIC
Eeprom Size
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- Current page: 434 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
23.7.1
DS31023A-page 23-12
Faster Conversion - Lower Resolution Trade-off
Not all applications require a result with 10-bits of resolution, but may instead require a faster
conversion time. The A/D module allows users to make the trade-off of conversion speed to res-
olution. Regardless of the resolution required, the acquisition time is the same. To speed up the
conversion, the clock source of the A/D module may be switched so that the T
the minimum specified time (see the applicable electrical specification). Once the T
lates the minimum specified time, all the following A/D result bits are not valid (see A/D Conver-
sion Timing in the Electrical Specifications section). The clock sources may only be switched
between the three oscillator versions (cannot be switched from/to RC). The equation to deter-
mine the time before the oscillator can be switched is as follows:
Since the T
ware loop, etc.) to determine when the A/D oscillator may be changed.
comparison of time required for a conversion with 4-bits of resolution, versus the 10-bit resolution
conversion. The example is for devices operating at 20 MHz (The A/D clock is programmed for
32T
The 2T
values.
Example 23-4:
Note 1: A minimum T
T
T
2T
AD
OSC
Conversion time
Where: N
OSC
AD
2: If the full 8-bit conversion is required, the A/D clock source should not be changed.
OSC
+ N • T
), and assumes that immediately after 6T
AD
violates the minimum T
AD
is based from the device oscillator, the user must use some method (a timer, soft-
+ (11 - N)(2T
4-bit vs. 8-bit Conversion Times
= T
= number of bits of resolution required.
AD
time of 1.6 s is required.
AD
Preliminary
+ N • T
OSC
)
AD
AD
time since the last 4 bits will not be converted to correct
+ (11 - N)(2T
(MHz)
Freq.
20
20
20
AD
, the A/D clock is programmed for 2T
(1)
OSC
)
1.6 s
8.7 s
50 ns
4-bit
1997 Microchip Technology Inc.
Resolution
Example 23-4
AD
17.6 s
time violates
10-bit
1.6 s
50 ns
AD
time vio-
shows a
OSC
.
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