ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 87

• Manufacturer Part Number: ATxmega64B3
• Manufacturer: Atmel Corporation

Specifications of ATxmega64B3

• Flash (kbytes): 64 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 36
• Ext Interrupts: 36
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Segment Lcd: 100
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 2
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 4
• 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: 2
• Output Compare Channels: 6
• Input Capture Channels: 6
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Table 36-29. SPI Timing characteristics and requirements
8074A–AVR–10/11
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
SCK
SCKW
SCKR
SCKF
MIS
MIH
MOS
MOH
SSCK
SSCKW
SSCKR
SSCKF
SIS
SIH
SSS
SSH
SOS
SOH
SOSS
SOSH
Parameter
SCK Period
SCK high/low width
SCK Rise time
SCK Fall time
MISO setup to SCK
MISO hold after SCK
MOSI setup SCK
MOSI hold after SCK
Slave SCK Period
SCK high/low width
SCK Rise time
SCK Fall time
MOSI setup to SCK
MOSI hold after SCK
SS setup to SCK
SS hold after SCK
MISO setup SCK
MISO hold after SCK
MISO setup after SS low
MISO hold after SS high
Condition
Master
Master
Master
Master
Master
Master
Master
Master
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
4*t Clk
2*t Clk
t Clk
Min
21
20
PER
3
PER
PER
XMEGA B Manual)
(See Table 21-4 in
0.5*SCK
0.5*SCK
Typ
2.7
2.7
11
13
11
0
1
8
8
XMEGA B3
1600
1600
Max
Units
ns
87