Datasheet

SAM9263 [DATASHEET]

Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16

9.4 System Resource Multiplexing

9.4.1 LCD Controller

The LCD Controller can interface with several LCD panels. It supports 4 bits per pixel (bpp), 8 bpp or 16 bpp

without limitation. Interfacing 24 bpp TFT panels prevents using the Ethernet MAC. 16 bpp TFT panels are

interfaced through peripheral B functions, as color data is output on LCDD3 to LCDD7, LCDD11 to LCDD15 and

LCDD19 to LCDD23. Intensity bit is output on LCDD10. Using the peripheral B does not prevent using MAC lines.

16 bpp STN panels are interfaced through peripheral A and color data is output on LCDD0 to LCDD15, thus MAC

lines can be used on peripheral B.

Mapping the LCD signals on peripheral A and peripheral B makes is possible to use 24 bpp TFT panels in 24 bits

(peripheral A) or 16 bits (peripheral B) by reprogramming the PIO controller and thus without hardware

modification.

9.4.2 ETM

™

Using the ETM prevents the use of the EBI0 in 32-bit mode. Only 16-bit mode (EBI0_D0 to EBI0_D15) is available,

makes EBI0 unable to interface CompactFlash and NAND Flash cards, reduces EBI0’s address bus width which

makes it unable to address memory ranges bigger than 0x7FFFFF and finally it makes impossible to use

EBI0_NCS2 and EBI0_NCS3.

9.4.3 EBI1

Using the following features prevents using EBI1 in 32-bit mode:

 the second slots of MCI0 and/or MCI1

 USART0

 DMA request 0 (DMARQ0)

9.4.4 Ethernet 10/100MAC

Using the following features of EBI1 prevents using Ethernet 10/100MAC:

 SDRAM

 NAND (unless NANDCS, NANDOE and NANDWE are managed by PIO)

 SMC 32 bits (SMC 16 bits is still available)

 NCS1, NCS2 are not available in SMC mode

9.4.5 SSC

Using SSC0 prevents using the AC97 Controller and Two-wire Interface.

Using SSC1 prevents using DMA Request 1, PWM0, PWM1, LCDCC and PCK1.

9.4.6 USART

Using USART2 prevents using EBI0’s NWAIT signal, Chip Select 4 and CompactFlash Chip Enable 2.

Using USART1 prevents using EBI0’s Chip Select 5 and CompactFlash Chip Enable1.

9.4.7 NAND Flash

Using the NAND Flash interface on EBI1 prevents using Ethernet MAC.

9.4.8 CompactFlash

Using the CompactFlash interface prevents using NCS4 and/or NCS5 to access other parallel devices.