PIC16F874-04/PT Microchip Technology, PIC16F874-04/PT Datasheet - Page 165
![IC MCU FLASH 4KX14 EE 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC16F874-04/PT
Manufacturer Part Number
PIC16F874-04/PT
Description
IC MCU FLASH 4KX14 EE 44TQFP
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/PT
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-TQFP, 44-VQFP
Controller Family/series
PIC16F
No. Of I/o's
33
Eeprom Memory Size
128Byte
Ram Memory Size
192Byte
Cpu Speed
4MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874-04/PT
Manufacturer:
MICROCHIP
Quantity:
4 500
Company:
Part Number:
PIC16F874-04/PT
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: 165 of 688
- Download datasheet (3Mb)
10.4
10.5
10.6
PORTD<7:0>
PORTD<7:0>
1997 Microchip Technology Inc.
PSPIF
PSPIF
OBF
OBF
CS
WR
RD
IBF
CS
WR
RD
IBF
Note:
Operation in Sleep Mode
Effect of a Reset
PSP Waveforms
The IBF flag bit is inhibited from being cleared until after this point.
Q1
Q1
When in sleep mode the microprocessor may still read and write the Parallel Slave Port. These
actions will set the PSPIF bit. If the PSP interrupts are enabled, this will wake the processor from
sleep mode so that the PSP data latch may be either read, or written with the next value for the
microprocessor.
After any reset the PSP is disabled and PORTD and PORTE are forced to their default mode.
Figure 10-2
Figure 10-3
Figure 10-2: Parallel Slave Port Write Waveforms
Figure 10-3: Parallel Slave Port Read Waveforms
Q2
Q2
shows the waveform for a read of the PSP by the microprocessor.
shows the waveform for a write from the microprocessor to the PSP, while
Q3
Q3
Section 10. Parallel Slave Port
Q4
Q4
Q1
Q1
Q2
Q2
Q3
Q3
Q4
Q4
Q1
Q1
Q2
Q2
Q3
Q3
DS31010A-page 10-5
Q4
Q4
10
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