ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 321
ATxmega128B1
Manufacturer Part Number
ATxmega128B1
Description
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega128B1-AU
Manufacturer:
TI
Quantity:
90
Company:
Part Number:
ATxmega128B1-U
Manufacturer:
FUJITSU
Quantity:
632
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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
321
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