
Liquid Crystal Display Controller (LCDC)
Freescale Semiconductor
22-3
•
Graphic window color keying for graphical hardware cursor
•
256 transparency levels for alpha blending between graphic window and background plane
22.2
External Signal Description
describes the LCD controller signals.
22.3
Memory Map/Register Definition
The LCDC memory space contains 21 32-bit registers for display parameters, a read-only status register,
and two 256
×
18 color-mapping RAMs—one for graphic window and the other for background plane.
The color-mapping RAMs are physically located inside the palette lookup table module.
summarizes these registers and their addresses. Only longword access is supported. Byte and
word access is undefined.
Table 22-2. LCD Signals
Signal
I/O
Function
LCD_D[17:0]
O
Line data. LCD data bus.
LCD_FLM/
LCD_VSYNC
O
Passive matrix: First line marker
Active matrix: Vertical sync pulse. Indicates start of next frame.
LCD_LP/
LCD_HSYNC
O
Passive matrix: Line pulse
Active matrix: Horizontal sync pulse. Indicates start of next line.
LCD_LSCLK
O
Shift clock. Clock for latching data into the display driver’s internal shift register.
LCD_ACD/
LCD_OE
O
Passive matrix: Alternate crystal direction
Active matrix: Output enable to enable data to be shifted onto the display.
LCD_CONTRAST
O
Contrast. Controls the LCD bias voltage for contrast control.
LCD_PS
O
Power save. Controls signal output for source driver (Sharp HR-TFT 240x320
panels only)
LCD_CLS
O
Gate driver clock signal. Start signal output for gate driver, inverted version of
LCD_PS (Sharp HR-TFT 240x320 panels only).
LCD_REV
O
Reverse control. Signal for common electrode driving signal preparation (Sharp
HR-TFT 240x320 panels only).
LCD_SPL_SPR
O
Sampling start signal. Sets the horizontal scan direction (Sharp HR-TFT
240x320 panels only).
Table 22-3. LCD Controller Memory Map
Address
Register
Width
(bits)
Access
Reset Value
Section/Page
0xFC0A_C000 Screen Start Address Register (LCD_SSAR)
32
R/W
0x0000_0000
0xFC0A_C004 LCD Size Register (LCD_SR)
32
R/W
0x0000_0000
0xFC0A_C008 LCD Virtual Page Width Register (LCD_VPW)
32
R/W
0x0000_0000
0xFC0A_C00C LCD Cursor Position Register (LCD_CPR)
32
R/W
0x0000_0000
MCF5329 Reference Manual, Rev 3
Содержание MCF5329
Страница 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 126: ...Enhanced Multiply Accumulate Unit EMAC 4 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 564: ...Liquid Crystal Display Controller LCDC 22 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 692: ...Programmable Interrupt Timers PIT0 PIT3 28 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 720: ...Queued Serial Peripheral Interface QSPI 30 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 790: ...Message Digest Hardware Accelerator MDHA 33 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 902: ...Register Memory Map Quick Reference A 26 Freescale Semiconductor MCF5329 Reference Manual Rev 3...