PIC16LC923-04/PT Microchip Technology, PIC16LC923-04/PT Datasheet - Page 37

• Manufacturer Part Number: PIC16LC923-04/PT
• Description: IC MCU OTP 4KX14 LCD DVR 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16LC923-04/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: I²C, SPI
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: OTP
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 6 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-TFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

FIGURE 5-7: PORTD<7:5> BLOCK
TABLE 5-7: PORTD FUNCTIONS
TABLE 5-8: SUMMARY OF REGISTERS ASSOCIATED WITH PORTD
Name
RD0/SEG00
RD1/SEG01
RD2/SEG02
RD3/SEG03
RD4/SEG04
RD5/SEG29/COM3
RD6/SEG30/COM2
RD7/SEG31/COM1
Legend: ST = Schmitt Trigger input
Address Name
08h
88h
10Dh
Legend: Shaded cells are not used by PORTD.
Data Bus
RD PORT
RD TRIS
1997 Microchip Technology Inc.
LCD Common
Output Enable
LCD Segment
Output Enable
LCD
Common Data
LCDSE<n>
LCD
Segment Data
PORTD
TRISD
LCDSE
DIAGRAM
PORTD Data Direction Control Register
V
SE29
Bit 7
DD
RD7
Q
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
bit6
bit7
EN
EN
D
SE27
Bit 6
RD6
Buffer
Type
ST
ST
ST
ST
ST
ST
ST
ST
Digital Input/
LCD Output pin
Schmitt
Trigger
input
buffer
SE20
Bit 5
RD5
Input/output port pin or Segment Driver00
Input/output port pin or Segment Driver01
Input/output port pin or Segment Driver02
Input/output port pin or Segment Driver03
Input/output port pin or Segment Driver04
Digital input pin or Segment Driver29 or Common Driver3
Digital input pin or Segment Driver30 or Common Driver2
Digital input pin or Segment Driver31 or Common Driver1
SE16
Bit 4
RD4
SE12
Bit 3
RD3
Bit 2
RD2
SE9
Function
Bit 1
RD1
SE5
Bit 0
RD0
SE0
PIC16C9XX
0000 0000
1111 1111
1111 1111
Power-on
Value on
Reset
DS30444E - page 37
other resets
Value on all
0000 0000
1111 1111
1111 1111