ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 233
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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18.14.4
18.14.5
18.14.6
8291A–AVR–10/11
CNTH – Counter High
DATAPTRL – Data Pointer Low
DATAPTRH – Data Pointer High
• Bit 7:0 – CNT[7:0]: Endpoint Byte Counter
This byte contains the eight lsbs of the USB endpoint counter (CNT).
• Bit 6 – AZLP: Automatic Zero Length Packet
When this bit is set, the USB module will manage the ZLP handshake by hardware. This
applies to IN endpoints only. When this bit is zero, the ZLP handshake must be managed by
firmware.
• Bit 6:2 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always
write these bits to zero when this register is written.
• Bit 1:0 – CNT[9:8]: Endpoint Byte Counter
These bits contain the two msbs of the USB endpoint counter (CNT).
The DATAPTRL and DATAPTRH registers represent the 16-bit value, DATAPTR, that contains
the SRAM address to the endpoint data buffer.
• Bit 7:0 – DATAPTR[7:0]: Endpoint Dta Pointer Low
This byte contains the eight lsbs of the endpoint data pointer (DATAPTR).
Bit
+0x04
Read/Write
Initial Value
Bit
+0x05
Read/Write
Initial Value
Bit
+0x03
Read/Write
Initial Value
Bit
+0x02
Read/Write
Initial Value
R/W
R/W
AZLP
R/W
R/W
7
X
7
X
X
X
7
7
R/W
R/W
R/W
X
X
6
6
6
X
R
X
6
–
R/W
R/W
R/W
X
X
5
5
X
5
5
–
R
X
R/W
R/W
R/W
4
X
4
X
DATAPTR[15:8]
DATAPTR[7:0]
X
R
4
4
–
X
CNT[7:0]
R/W
R/W
R/W
3
X
3
X
3
X
R
X
3
–
Atmel AVR XMEGA B
R/W
R/W
R/W
X
X
2
2
2
X
R
X
2
–
R/W
R/W
R/W
R/W
X
X
1
1
X
1
1
X
CNT[9:8]
R/W
R/W
R/W
R/W
0
X
0
X
X
0
0
X
DATAPTRL
DATAPTRH
CNTL
CNTH
233
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