PIC16F874-04I/PQ Microchip Technology, PIC16F874-04I/PQ Datasheet - Page 8

• Manufacturer Part Number: PIC16F874-04I/PQ
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,QFP,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-04I/PQ

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 7KB (4K x 14)
• 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
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-MQFP, 44-PQFP
• 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: + 85 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: - 40 C
• On-chip Adc: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F87X
FIGURE 1-2:
DS30292C-page 6
PIC16F874
PIC16F877
Data EEPROM
Note 1: Higher order bits are from the STATUS register.
Device
Timer0
OSC2/CLKOUT
OSC1/CLKIN
Program
Bus
Program
FLASH
Instruction reg
Generation
Instruction
PIC16F874 AND PIC16F877 BLOCK DIAGRAM
Decode &
4K
8K
14
FLASH
Program
Control
Memory
Timing
CCP1,2
Timer1
Data Memory
192 Bytes
368 Bytes
8
13
MCLR
Direct Addr
Start-up Timer
Program Counter
Programming
Low-Voltage
8 Level Stack
Brown-out
Watchdog
Debugger
Power-up
Power-on
Oscillator
In-Circuit
Timer
Reset
Timer
Reset
(13-bit)
Synchronous
V
Serial Port
DD
Timer2
, V
EEPROM
128 Bytes
256 Bytes
SS
7
Data
RAM Addr
8
3
(1)
Data Bus
Addr MUX
Registers
W reg
ALU
Parallel Slave Port
RAM
File
STATUS reg
FSR reg
10-bit A/D
USART
9
MUX
8
Indirect
Addr
8
PORTC
PORTD
PORTA
PORTB
PORTE
2001 Microchip Technology Inc.
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS
RB0/INT
RB1
RB2
RB3/PGM
RB4
RB5
RB6/PGC
RB7/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RE0/AN5/RD
RE1/AN6/WR
RE2/AN7/CS
REF
REF
-
+