PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 463

• Manufacturer Part Number: PIC16F874-20/L
• Description: IC MCU FLASH 4KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-20/L

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Core Processor: PIC
• Speed: 20MHz
• 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
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• 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
• 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: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details

Register 25-4:
1997 Microchip Technology Inc.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
LCDSE Register
bit 7
SE29: Pin Function Select bits for COM1/SEG31 - COM3/SEG29
1 = pins have LCD segment driver function
0 = pins have digital Input function
SE27: Pin Function Select for SEG28 and SEG27
1 = pins have LCD segment driver function
0 = pins have digital Input function
SE20: Pin Function Select bits for SEG26 - SEG20
1 = pins have LCD segment driver function
0 = pins have digital Input function
SE16: Pin Function Select bits for SEG19 - SEG16
1 = pins have LCD segment driver function
0 = pins have digital Input function
SE12: Pin Function Select bits for SEG15 - SEG12
1 = pins have LCD segment driver function
0 = pins have digital Input function
SE9: Pin Function Select bits for SEG11 - SEG09
1 = pins have LCD segment driver function
0 = pins have digital Input function
SE5: Pin Function Select bits for SEG08 - SEG05
1 = pins have LCD segment driver function
0 = pins have digital Input function
SE0: Pin Function Select bits for SEG04 - SEG00
1 = pins have LCD segment driver function
0 = pins have digital I/O function
Legend
R = Readable bit
U = Unimplemented bit, read as ‘0’
R/W-1
Note:
SE29
Note:
The LMUX1:LMUX0 setting takes precedence over the SE29 bit, causing pins to
become common drivers.
On a Power-on Reset, the LCD pins are configured for LCD drive function.
R/W-1
SE27
W = Writable bit
R/W-1
SE20
R/W-1
SE16
- n = Value at POR reset
R/W-1
Section 25. LCD
SE12
R/W-1
SE9
R/W-1
SE5
DS31025A-page 25-5
bit 0
R/W-1
SE0
25