ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 43

• 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

4.18.3
4.18.4
4.18.5
4.18.6
8291A–AVR–10/11
DEVID2 – Device ID Register 2
REVID – Revision ID
JTAGUID – JTAG User ID Register
MCUCR – MCU Control Register
• Bit 7:0 – DEVID2[7:0]: Device ID Byte 2
Byte 2 of the device ID indicates the device number.
• Bit 7:4 – Reserved
These bits are unused and reserved for future use.
• Bit 3:0 – REVID[3:0]: Revision ID
These bits contains the device revision. 0 = A, 1= B and so on.
• Bit 7:0 – JTAGUID[7:0]: JTAG User ID
The JTAGUID can be used to identify two devices with identical device ID in a JTAG scan chain.
The JTAGUID will automatically be loaded from flash and placed in these registers.
• Bit 7:1 – 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
+0x03
Read/Write
Initial Value
Bit
+0x04
Read/Write
Initial Value
Bit
+0x06
Read/Write
Initial Value
Bit
+0x02
Read/Write
Initial Value
1/0
1/0
R
R
R
R
7
–
0
7
7
–
0
7
1/0
1/0
R
R
R
6
–
0
6
6
–
0
R
6
1/0
R
R
R
1/0
5
–
0
5
5
–
0
R
5
1/0
R
R
R
4
–
0
4
4
–
0
1/0
JTAGUID[7:0]
R
4
DEVID2[7:0]
1/0
1/0
R
R
R
3
3
3
–
0
1/0
R
3
Atmel AVR XMEGA B
1/0
1/0
2
R
2
R
2
–
R
0
1/0
R
2
REVID[3:0]
1/0
1/0
R
R
R
1
1
1
–
0
1/0
R
1
JTAGD
R/W
1/0
1/0
R
R
0
0
0
0
1/0
R
0
JTAGUID
MCUCR
REVID
DEVID2
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