PIC16F84A-20/P Microchip Technology, PIC16F84A-20/P Datasheet - Page 471

• Manufacturer Part Number: PIC16F84A-20/P
• Description: IC MCU FLASH 1KX14 EE 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F84A-20/P

• Program Memory Type: FLASH
• Program Memory Size: 1.75KB (1K x 14)
• Package / Case: 18-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Eeprom Size: 64 x 8
• Ram Size: 68 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 68 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 13
• Number Of Timers: 1
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB16F84A - BOARD DAUGHTER ICEPIC3DVA16XP180 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

25.5
25.5.1
LCDD00
LCDD01
LCDD02
LCDD03
LCDD04
LCDD05
LCDD06
LCDD07
LCDD08
LCDD09
LCDD10
LCDD11
LCDD12
LCDD13
LCDD14
LCDD15
1997 Microchip Technology Inc.
Note 1: These pixels do not display, but can be used as general purpose RAM.
Name
LCDD (Pixel Data) Registers
Pixel Control
COM1
COM2
COM3
SEG07
SEG15
SEG23
SEG31
SEG07
SEG15
SEG23
SEG31
SEG07
SEG15
SEG23
SEG31
SEG07
SEG15
SEG23
SEG31
COM0
COM0
COM0
COM0
COM1
COM1
COM1
COM2
COM2
COM2
COM3
COM3
COM3
Bit 7
(1)
(1)
(1)
The pixel registers contain bits which define the state of each pixel. Each bit defines one unique
pixel.
Table 25-4
segment signals.
Any LCD pixel location not being used for display can be used as general purpose RAM.
Table 25-4: LCDD Registers
COM2
COM3
SEG06
SEG14
SEG22
SEG30
SEG06
SEG14
SEG22
SEG30
SEG06
SEG14
SEG22
SEG30
SEG06
SEG14
SEG22
SEG30
COM0
COM0
COM0
COM0
COM1
COM1
COM1
COM1
COM2
COM2
COM2
COM3
COM3
COM3
Bit 6
(1)
(1)
COM3
shows the correlation of each bit in the LCDD registers to the respective common and
SEG05
SEG13
SEG21
SEG29
SEG05
SEG13
SEG21
SEG29
SEG05
SEG13
SEG21
SEG29
SEG05
SEG13
SEG21
SEG29
COM0
COM0
COM0
COM0
COM1
COM1
COM1
COM1
COM2
COM2
COM2
COM2
COM3
COM3
COM3
Bit 5
(1)
COM30
SEG04
SEG12
SEG20
SEG28
SEG04
SEG12
SEG20
SEG28
SEG04
SEG12
SEG20
SEG28
SEG04
SEG12
SEG20
SEG28
COM0
COM0
COM0
COM0
COM1
COM1
COM1
COM1
COM2
COM2
COM2
COM2
COM3
COM3
COM3
Bit 4
SEG03
SEG11
SEG19
SEG27
SEG03
SEG11
SEG19
SEG27
SEG03
SEG11
SEG19
SEG27
SEG03
SEG11
SEG19
SEG27
COM0
COM0
COM0
COM0
COM1
COM1
COM1
COM1
COM2
COM2
COM2
COM2
COM3
COM3
COM3
COM3
Bit 3
COM30
SEG02
SEG10
SEG18
SEG26
SEG02
SEG10
SEG18
SEG26
SEG02
SEG10
SEG18
SEG26
SEG02
SEG10
SEG18
SEG26
COM0
COM1
COM2
COM0
COM0
COM0
COM1
COM1
COM1
COM2
COM2
COM2
COM3
COM3
COM3
Bit 2
SEG01
SEG09
SEG17
SEG25
SEG01
SEG09
SEG17
SEG25
SEG01
SEG09
SEG17
SEG25
SEG01
SEG09
SEG17
SEG25
COM0
COM0
COM0
COM0
COM1
COM1
COM1
COM1
COM2
COM2
COM2
COM2
COM3
COM3
COM3
COM3
Bit 1
Section 25. LCD
SEG00
SEG08
SEG16
SEG24
SEG00
SEG08
SEG16
SEG24
SEG00
SEG08
SEG16
SEG24
SEG00
SEG08
SEG16
SEG24
COM0
COM0
COM0
COM0
COM1
COM1
COM1
COM1
COM2
COM2
COM2
COM2
COM3
COM3
COM3
COM3
Bit 0
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
Value on
POR,
BOR
DS31025A-page 25-13
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
Value on
all other
Resets
25