ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 29
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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4.14.12
4.15
4.15.1
4.15.2
8291A–AVR–10/11
Register Descriptions – Fuses and Lockits
LOCKBITS – Lock Bit Register
FUSEBYTE0 – Fuse Byte 0
FUSEBYTE1 – Fuse Byte1
This register is a mapping of the NVM lockbits into the I/O memory space, enable direct read
access from the application software. Refer to
description.
• Bit 7 – JTAGUID[7:0]: JTAG USER ID
These fuses can be used to set the default JTAG user ID for the device. During reset, the
JTAGUID fuse bits will be loaded into the MCU JTAG user ID register.
• Bit 7:4 – WDWPER[3:0]: Watchdog Window Timeout Period
These fuse bits are used to set initial value of the closed window for the Watchdog Timer in Win-
dow Mode. During reset these fuse bits are automatically written to the WPER bits Watchdog
Window Mode Control Register, refer to
116
• Bit 3:0 – WDPER[3:0]: Watchdog Timeout Period
These fuse bits are used to set the initial value of the watchdog timeout period. During reset
these fuse bits are automatically written to the PER bits in the watchdog control register. Refer to
”CTRL – Control register” on page 115
Bit
+0x07
Read/Write
Initial Value
Bit
+0x00
Read/Write
Initial Value
Bit
+0x01
Read/Write
Initial Value
for details.
R/W
R/W
R
7
0
7
0
7
1
BLBB[1:0]
R/W
R/W
WDWPER[3:0]
6
0
6
0
R
6
1
R/W
R/W
5
0
5
0
R
5
1
BLBA[1:0]
for details.
R/W
R/W
”WINCTRL – Window Mode Control register” on page
4
0
4
0
JTAGUID[7:0]
R
4
1
”LOCKBITS – Lock Bit Register” on page 33
R/W
R/W
3
0
3
0
R
3
1
BLBAT[1:0]
Atmel AVR XMEGA B
R/W
R/W
2
0
2
0
WDPER[3:0]
2
R
1
R/W
R/W
1
0
1
0
R
1
1
LB[1:0]
R/W
R/W
0
0
0
0
R
0
1
FUSEBYTE0
FUSEBYTE1
LOCKBITS
for
29
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