ATxmega64B1 Atmel Corporation, ATxmega64B1 Datasheet - Page 103
ATxmega64B1
Manufacturer Part Number
ATxmega64B1
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64B1
Flash (kbytes)
64 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:
ATxmega64B1-AUR
Manufacturer:
ATMEL
Quantity:
210
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8.7.3
8291A–AVR–10/11
PRPC/E – Power Reduction Port C/E Register
• Bit 0 – AC: Power Reduction Analog Comparator
Setting this bit stops the clock to the analog comparator. The AC should be disabled before
shutdown.
• Bit 7 – Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write
this bit to zero when this register is written.
• Bit 6 – TWI: Two-Wire Interface
Setting this bit stops the clock to the two-wire interface. When this bit is cleared, the peripheral
should be reinitialized to ensure proper operation.
• Bit 5 – Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write
this bit to zero when this register is written.
• Bit 4 – USART0
Setting this bit stops the clock to USART0. When this bit is cleared, the peripheral should be
reinitialized to ensure proper operation.
• Bit 3 – SPI: Serial Peripheral Interface
Setting this bit stops the clock to the SPI. When this bit is cleared, the peripheral should be rein-
itialized to ensure proper operation.
• Bit 2 – HIRES: High-Resolution Extension
Setting this bit stops the clock to the high-resolution extension for the timer/counters. When this
bit is cleared, the peripheral should be reinitialized to ensure proper operation.
• Bit 1 – TC1: Timer/Counter 1
Setting this bit stops the clock to timer/counter 1. When thise bit is cleared, the peripheral will
continue like before the shut down.
• Bit 0 – TC0: Timer/Counter 0
Setting this bit stops the clock to timer/counter 0. When this bit is cleared, the peripheral will con-
tinue like before the shut down.
Bit
+0x03/+0x04/
+0x05/+0x06
Read/Write
Initial Value
R
7
–
0
R/W
TWI
6
0
R
5
–
0
USART0
R/W
4
0
R/W
SPI
3
0
Atmel AVR XMEGA B
HIRES
R/W
2
0
TC1
R/W
1
0
TC0
R/W
0
0
PRPC/E
103
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