PIC16F874-04/PQ Microchip Technology, PIC16F874-04/PQ Datasheet - Page 465
![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: 465 of 688
- Download datasheet (3Mb)
25.3.2
1997 Microchip Technology Inc.
Multiplex Timing Generation
The timing generation circuitry will generate 1 to 4 common’s based on the display mode
selected. The mode is specified by bits LMUX1:LMUX0 (LCDCON<1:0>).
formulas for calculating the frame frequency.
Table 25-1: Frame Frequency Formulas
Table 25-2: Approximate Frame Frequency in Hz using Timer1 @ 32.768 kHz or
Table 25-3: Approximate Frame Frequency in Hz using internal RC osc @ 14 kHz
Multiplex Frame Frequency =
Static
LP3:LP0
LP3:LP0
1/2
1/3
1/4
2
3
4
5
6
7
0
1
2
3
Clock source / (128 * (LP3:LP0 + 1))
Clock source / (128 * (LP3:LP0 + 1))
Clock source / (96 * (LP3:LP0 + 1))
Clock source / (128 * (LP3:LP0 + 1))
Fosc @ 8 MHz
Static
Static
109
55
36
27
85
64
51
43
37
32
109
1/2
55
36
27
1/2
85
64
51
43
37
32
146
114
1/3
1/3
73
49
36
85
68
57
49
43
109
1/4
1/4
55
36
27
85
64
51
43
37
32
Section 25. LCD
Table 25-1
DS31025A-page 25-7
shows the
25
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