SAM9263 Atmel Corporation, SAM9263 Datasheet - Page 969

• Manufacturer Part Number: SAM9263
• Manufacturer: Atmel Corporation

Specifications of SAM9263

• Flash (kbytes): 0 Kbytes
• Pin Count: 324
• Max. Operating Frequency: 240 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 160
• Ext Interrupts: 160
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 4
• Can: 1
• Ssc: 2
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: Yes
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 96
• Self Program Memory: NO
• External Bus Interface: 2
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Fpu: No
• Mpu / Mmu: No / Yes
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

45.4.4
6249I–ATARM–3-Oct-11
Drawing Using Command Queue
This function draws a series of lines. All commands are written into the FIFO which is automati-
cally converted to drawing commands. startx, starty, endx and endy should be in pixel units.
graphics_control.TDGC_SBXR = startx;
graphics_control.TDGC_SBYR = starty;
graphics_control.TDGC_TEXR = endx;
graphics_control.TDGC_TEYR = endy;
graphics_control.TDGC_LOR = 0x00; // Select logic operation MOV
graphics_control.TDGC_CSR = 0x00; // Colour black
graphics_control.TDGC_LWR = 0x02; // 2 pixels wide
graphics_control.TDGC_LPR = 0x5555; // Patterned line ON, OFF, ON, OFF …
// set clip rectangle boundary (4,2), (8,2), (4,4), (8,4)
graphics_control.TDGC_CXMINR = 4;
graphics_control.TDGC_CXMAXR = 8;
graphics_control.TDGC_CYMINR = 2;
graphics_control.TDGC_CYMAXR = 4;
graphics_control.TDGC_CCR = 1; // Enable clipping
graphics_control.TDGC_GOR = 0xD5; // Line draw, absolute, no update, 1D
pattern
while(graphics_control.TDGC_GSR & 1);
}
void command_queue_draw(unsigned short startx, unsigned short starty,
unsigned short endx)
{
int add_count=6;
int i;
add_count = 6; // number of writes to TDGC_CQR
chk_for_buffer_empty(add_count);
graphics_control.TDGC_CQR
register address
graphics_control.TDGC_CQR
update
graphics_control.TDGC_CQR
graphics_control.TDGC_CQR
graphics_control.TDGC_CQR
graphics_control.TDGC_CQR
for(i = 0;i < 320; i ++)
{
add_count = 7;
chk_for_buffer_empty(add_cnt);
graphics_control.TDGC_CQR
address
=
=
=
=
=
=
=
0x04;
0x08;
120;
160;
0;
0;
0x14;
// length, number of registers to
// start address, end y register
// start address, start x
// start x
// start y
// end x
// end y
AT91SAM9263
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