453
CHAPTER 24 LCD CONTROLLER
24.6
Operations of LCD Controller
This section describes the operations of the LCD controller.
■
Operations of LCD Controller
Figure 24.6-1 shows the settings required for LCD display.
Figure 24.6-1 LCD Controller Settings
• When the selected frame period generation clock is oscillating with the settings made as in
Figure 24.6-1, the LCD controller outputs the LCD panel drive waveform to the common and
segment output pins (COM0 to COM3, SEG0 to SEG23, SEG28 to SEG31) according to the
contents of display RAM and the LCDC register settings.
• The LCD output pins are selected according to LCDCE1 to LCDCE5. The pins not selected as
LCD outputs are used as general-purpose I/O ports.
• The frame period generation clock can be changed even during LCD display operation. As the
display may flicker when it is changed, however, you should always turn off the display
temporarily, for example, using the blanking (LCDCC:BK = 1) function in advance.
• The display drive output is a 2-frame alternating waveform selected by bias and duty settings.
• The COM2 and COM3 pin outputs in 1/2 duty mode and the COM3 pin output in 1/3 duty
mode can be used to output the deselected level waveform or as I/O ports.
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
LCDCC
CSS
LCDEN
VSEL
BK
MS1
MS0
FP1
FP0
LCDCE1
PICTL
BLSEL
-
VE1
COM3
COM2
COM1
COM0
LCDCE2
SEG07 SEG06 SEG05 SEG04 SEG03 SEG02 SEG01 SEG00
LCDCE3
SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG09 SEG08
LCDCE4
SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16
LCDCE5
SEG31 SEG30 SEG29 SEG28
-
-
-
-
LCDCB1
S1C3
S1C2
S1C1
S1C0
S0C3
S0C2
S0C1
S0C0
LCDCB2
S3C3
S3C2
S3C1
S3C0
S2C3
S2C2
S2C1
S2C0
Display RAM
Display data
Other than 00
Содержание F2 MC-8FX Family
Страница 2: ......
Страница 4: ......
Страница 30: ...16 CHAPTER 1 DESCRIPTION 1 FPT 64P M23 FPT 64P M24 2 For the I O circuit type refer to 1 8 I O Circuit Type ...
Страница 34: ...20 CHAPTER 1 DESCRIPTION ...
Страница 35: ...21 CHAPTER 2 HANDLING DEVICES This chapter gives notes on using 2 1 Device Handling Precautions ...
Страница 38: ...24 CHAPTER 2 HANDLING DEVICES ...
Страница 39: ...25 CHAPTER 3 MEMORY SPACE This chapter describes memory space 3 1 Memory Space 3 2 Memory Map ...
Страница 43: ...29 CHAPTER 4 MEMORY ACCESS MODE This chapter describes the memory access mode 4 1 Memory Access Mode ...
Страница 56: ...42 CHAPTER 5 CPU ...
Страница 73: ...59 CHAPTER 6 CLOCK CONTROLLER ...
Страница 96: ...82 CHAPTER 6 CLOCK CONTROLLER ...
Страница 104: ...90 CHAPTER 7 RESET ...
Страница 105: ...91 CHAPTER 8 INTERRUPTS This chapter explains the interrupts 8 1 Interrupts ...
Страница 174: ...160 CHAPTER 10 TIMEBASE TIMER ...
Страница 184: ...170 CHAPTER 10 TIMEBASE TIMER ...
Страница 218: ...204 CHAPTER 13 WATCH PRESCALER ...
Страница 257: ...243 CHAPTER 16 8 16 BIT COMPOSITE TIMER ...
Страница 261: ...247 CHAPTER 16 8 16 BIT COMPOSITE TIMER ...
Страница 288: ...274 CHAPTER 16 8 16 BIT COMPOSITE TIMER ...
Страница 301: ...287 CHAPTER 17 16 BIT PPG TIMER ...
Страница 316: ...302 CHAPTER 17 16 BIT PPG TIMER ...
Страница 382: ...368 CHAPTER 21 UART SIO DEDICATED BAUD RATE GENERATOR ...
Страница 390: ...376 CHAPTER 22 I2C ...
Страница 395: ...381 CHAPTER 22 I2C ...
Страница 399: ...385 CHAPTER 22 I2C ...
Страница 430: ...416 CHAPTER 23 10 BIT A D CONVERTER ...
Страница 476: ...462 CHAPTER 24 LCD CONTROLLER ...
Страница 482: ...468 CHAPTER 25 LOW VOLTAGE DETECTION RESET CIRCUIT ...
Страница 494: ...480 CHAPTER 26 CLOCK SUPERVISOR ...
Страница 507: ...493 CHAPTER 27 REAL TIME CLOCK ...
Страница 523: ...509 CHAPTER 27 REAL TIME CLOCK ...
Страница 532: ...518 CHAPTER 27 REAL TIME CLOCK ...
Страница 536: ...522 CHAPTER 28 256 KBIT FLASH MEMORY ...
Страница 554: ...540 CHAPTER 28 256 KBIT FLASH MEMORY ...
Страница 564: ...550 CHAPTER 29 EXAMPLE OF SERIAL PROGRAMMING CONNECTION ...
Страница 595: ...581 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Страница 596: ...582 INDEX Index ...
Страница 597: ...583 INDEX ...
Страница 599: ...585 Pin Function Index V2 LCD power supply driving pin 2 439 V3 LCD power supply driving pin 3 439 ...
Страница 600: ...586 Pin Function Index ...
Страница 602: ......