PIC16LC924-08/SP 查看數據表（PDF） - Microchip Technology
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PIC16LC924-08/SP Datasheet PDF : 189 Pages
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FIGURE 5-7: PORTD<7:5> BLOCK
DIAGRAM
LCD
Segment Data
LCD Segment
Output Enable
LCD
Common Data
LCD Common
Output Enable
Digital Input/
LCD Output pin
LCDSE<n>
Data Bus
RD PORT
Q
D
ENEN
Schmitt
Trigger
input
buffer
VDD
PIC16C9XX
RD TRIS
TABLE 5-7: PORTD FUNCTIONS
Name
Bit#
Buffer
Type
RD0/SEG00
RD1/SEG01
RD2/SEG02
bit0
ST
bit1
ST
bit2
ST
RD3/SEG03
bit3
ST
RD4/SEG04
bit4
ST
RD5/SEG29/COM3 bit5
ST
RD6/SEG30/COM2 bit6
ST
RD7/SEG31/COM1 bit7
ST
Legend: ST = Schmitt Trigger input
Function
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
TABLE 5-8: SUMMARY OF REGISTERS ASSOCIATED WITH PORTD
Address Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3
08h
PORTD RD7 RD6 RD5 RD4 RD3
88h
TRISD PORTD Data Direction Control Register
10Dh LCDSE SE29 SE27 SE20
Legend: Shaded cells are not used by PORTD.
SE16
SE12
Bit 2
RD2
SE9
Bit 1
RD1
SE5
Bit 0
RD0
SE0
Value on
Power-on
Reset
Value on all
other resets
0000 0000 0000 0000
1111 1111 1111 1111
1111 1111 1111 1111
© 1997 Microchip Technology Inc.
DS30444E - page 37
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