PIC16F874-04/PQ Microchip Technology, PIC16F874-04/PQ Datasheet - Page 424
![IC MCU FLASH 4KX14 EE 44MQFP](/photos/6/59/65984/150-44-pqfp_sml.jpg)
PIC16F874-04/PQ
Manufacturer Part Number
PIC16F874-04/PQ
Description
IC MCU FLASH 4KX14 EE 44MQFP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F873-04SO.pdf
(218 pages)
4.PIC16F873-04SO.pdf
(5 pages)
5.PIC16F873-04SO.pdf
(5 pages)
Specifications of PIC16F874-04/PQ
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Oscillator Type
External
Core Processor
PIC
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Operating Temperature
0°C ~ 70°C
Package / Case
44-MQFP, 44-PQFP
Controller Family/series
PIC16F
No. Of I/o's
33
Eeprom Memory Size
128Byte
Ram Memory Size
192Byte
Cpu Speed
4MHz
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
192 B
Interface Type
MSSP, PSP, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
33
Number Of Timers
3 bit
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
Minimum Operating Temperature
0 C
On-chip Adc
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874-04/PQ
Manufacturer:
MICROCHIP
Quantity:
9 100
Company:
Part Number:
PIC16F874-04/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F873-04SO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- Current page: 424 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
23.1
Figure 23-1:
DS31023A-page 23-2
Converter
10-bit
Introduction
A/D
10-bit A/D Block Diagram
Reference
voltage
The analog-to-digital (A/D) converter module can have up to eight analog inputs for a device.
The analog input charges a sample and hold capacitor. The output of the sample and hold capac-
itor is the input into the converter. The converter then generates a digital result of this analog level
via successive approximation. This A/D conversion, of the analog input signal, results in a corre-
sponding 10-bit digital number.
The analog reference voltages (positive and negative supply) are software selectable to either
the device’s supply voltages (AV
pins.
The A/D converter has a unique feature of being able to operate while the device is in SLEEP
mode.
The A/D module has four registers. These registers are:
The ADCON0 register, shown in
ADCON1 register, shown in
can be configured as analog inputs (AN3 and AN2 can also be the voltage references) or as dig-
ital I/O.
• A/D Result High Register (ADRESH)
• A/D Result Low Register (ADRESL)
• A/D Control Register0 (ADCON0)
• A/D Control Register1 (ADCON1)
V
V
REF
REF
-
+
(Input voltage)
V
AIN
PCFG0
Preliminary
Figure
DD
AV
Figure
, AVss) or the voltage level on the AN3/V
23-2, configures the functions of the port pins. The port pins
DD
AV
23-1, controls the operation of the A/D module. The
SS
CHS2:CHS0
111
110
101
100
011
010
001
000
1997 Microchip Technology Inc.
REF
AN1
AN7
AN6
AN5
AN4
AN3
AN2
AN0
+ and AN2/V
REF
-
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