PIC16F874-04I/PQ Microchip Technology, PIC16F874-04I/PQ Datasheet - Page 108

IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,QFP,44PIN,PLASTIC

PIC16F874-04I/PQ

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC16F874-04I/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
PICmicro MID-RANGE MCU FAMILY
6.4
DS31006A-page 6-14
Initialization
Example 6-3
shows some code to do initialization (clearing) of General Purpose RAM.
Example 6-3: Bank Switching
CLRF
:
BSF
:
BCF
:
MOVLW
XORWF
:
BCF
:
BCF
shows how the bank switching occurs for Direct addressing, while
STATUS
STATUS, RP0
STATUS, RP0
0x60
STATUS, F
STATUS, RP0
STATUS, RP1
; Clear STATUS register (Bank0)
;
; Bank1
;
; Bank0
;
; Set RP0 and RP1 in STATUS register, other
;
;
; Bank2
;
; Bank0
bits unchanged (Bank3)
1997 Microchip Technology Inc.
Example 6-4

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