PIC16F74-I/P Microchip Technology, PIC16F74-I/P Datasheet - Page 432
![IC MCU FLASH 4KX14 A/D 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC16F74-I/P
Manufacturer Part Number
PIC16F74-I/P
Description
IC MCU FLASH 4KX14 A/D 40DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(6 pages)
4.PIC16F73-ISP.pdf
(174 pages)
5.PIC16F73-ISP.pdf
(14 pages)
6.PIC16F73-ISP.pdf
(12 pages)
Specifications of PIC16F74-I/P
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Number Of I /o
33
Program Memory Type
FLASH
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC16F
No. Of I/o's
33
Ram Memory Size
192Byte
Cpu Speed
20MHz
No. Of Timers
3
Package
40PDIP
Device Core
PIC
Family Name
PIC16
Maximum Speed
20 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
33
Interface Type
I2C/SPI/USART
On-chip Adc
8-chx8-bit
Number Of Timers
3
Processor Series
PIC16F
Core
PIC
Data Ram Size
192 B
Maximum Clock Frequency
20 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000, DM163022
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
444-1001 - DEMO BOARD FOR PICMICRO MCU
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
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Quantity:
101
Company:
Part Number:
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Manufacturer:
MICROCHIP
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Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F73-ISP PDF datasheet #4
- PIC16F73-ISP PDF datasheet #5
- PIC16F73-ISP PDF datasheet #6
- Current page: 432 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
23.7
DS31023A-page 23-10
A/D Conversions
Example 23-3
lower four PORTG pins are configured as analog inputs. The analog references (V
V
clock is F
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. That is,
the ADRESH:ADRESL registers will continue to contain the value of the last completed conver-
sion (or the last value written to the ADRESH:ADRESL registers). After the A/D conversion is
aborted, a 2T
sition on the selected channel is automatically started.
Example 23-3:
Figure 23-4: A/D Conversion T
;
;
;
;
REF
Note:
Ensure that the required sampling time for the selected input
channel has elapsed. Then the conversion may be started.
-) are the device AV
BSF
CLRF
BSF
BCF
MOVLW
MOVWF
BCF
BSF
BSF
BSF
Tcy - T
:
:
:
Set GO bit
RC
Holding capacitor is disconnected from analog input (typically 100 ns)
. The conversion is performed on the AN0 pin (channel 0).
The GO/DONE bit should NOT be set in the same instruction that turns on the A/D,
due to the required acquisition time requirement.
AD
AD
shows how to perform an A/D conversion for the PIC17C756. The PORTF and
STATUS, RP0
ADCON1
PIE1, ADIE
STATUS, RP0
0xC1
ADCON0
PIR1, ADIF
INTCON, PEIE
INTCON, GIE
ADCON0, GO
Conversion Starts
wait is required before the next acquisition is started. After this 2T
T
A/D Conversion
AD
b9
1 T
b8
AD
DD
2 T
Preliminary
and AV
b7
AD
AD
Next Q4: ADRES is loaded,
3 T
Cycles
; Select Bank1
; Configure A/D inputs,
;
; Enable A/D interrupts
; Select Bank0
; RC Clock, A/D is on, Channel 0 is selected
;
; Clear A/D interrupt flag bit
; Enable peripheral interrupts
; Enable all interrupts
; Start A/D Conversion
; The ADIF bit will be set and the GO/DONE
; bit is cleared upon completion of the
;
SS
AD
b6
. The A/D interrupt is enabled, and the A/D conversion
4 T
result is left justified
A/D Conversion.
GO bit is cleared,
ADIF bit is set,
holding capacitor is connected to analog input.
AD
b5
5 T
b4
AD
6 T
AD
b3
7 T
AD
b2
1997 Microchip Technology Inc.
8
T
b1
AD
9 T
AD
b0
AD
10
wait, acqui-
T
AD
REF
b0
11
+ and
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