ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 321

• Manufacturer Part Number: ATxmega128B1
• Manufacturer: Atmel Corporation

Specifications of ATxmega128B1

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 53
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Segment Lcd: 160
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 8
• Eeprom (bytes): 2048
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.6 to 3.6
• Operating Voltage (vcc): 1.6 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 10
• Input Capture Channels: 10
• Pwm Channels: 10
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

24.5.11
8291A–AVR–10/11
DATA – LCD Data Memory Mapping
The Display Memory provides access to control the “ON/OFF” state for segments.
Data Memory register offset versus segment (pixel) coordinates (pixel_COM, pixel_SEG):
Bit position of the segment (pixel) in the Data Memory register (between 0 and 7):
Read/Write
Initial Value
• LCD_offset = 0x10 + ( pixel_COM x
• bit_position = pixel_SEG % 8
+0x23
+0x22
+0x21
+0x20
+0x1F
+0x1E
+0x1D
+0x1C
+0x1B
+0x1A
+0x19
+0x18
+0x17
+0x16
+0x15
+0x14
+0x13
+0x12
+0x11
+0x10
Bit
Where:
Where:
PIX159
PIX7
R/W
7
0
.
.
.
.
0x10 is the hexadecimal offset of DATA0 register,
% is the modulo operation.
Max_SEG is the maximal number of SEG terminals of the device,
⎣
xxx
⎦
PIX158
PIX6
R/W
means the integer part of xxx.
6
0
PIX157
PIX5
R/W
5
0
⎣
PIX156
(Max_SEG + 7 ) / 8
PIX4
R/W
4
0
PIX[151:144]
PIX[143:136]
PIX[135:128]
PIX[127:120]
PIX[119:112]
PIX[111:104]
PIX[103:96]
PIX[95:88]
PIX[87:80]
PIX[79:72]
PIX[71:64]
PIX[63:56]
PIX[55:48]
PIX[47:40]
PIX[39:32]
PIX[31:24]
PIX[23:16]
PIX[15:8]
PIX155
PIX3
R/W
3
0
Atmel AVR XMEGA B
PIX154
PIX2
R/W
⎦
2
0
) +
⎣
pixel_SEG / 8
PIX153
PIX1
R/W
1
0
PIX152
PIX0
R/W
0
0
⎦
DATA19
DATA18
DATA17
DATA16
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA9
DATA8
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
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