AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 817

• Manufacturer Part Number: AT32UC3L0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3L0256

• Flash (kbytes): 256 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 50 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 36
• Ext Interrupts: 36
• Usb Speed: No
• Usb Interface: No
• Spi: 5
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 460
• Analog Comparators: 8
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 16
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.62 to 3.6
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 35
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Table 32-41. USART in SPI mode Timing, Slave Mode
Notes:
32145A–12/2011
Symbol
USPI6
USPI7
USPI8
USPI9
USPI10
USPI11
USPI12
USPI13
USPI14
USPI15
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
2. Where:
cess technology. These values are not covered by test limits in production.
Parameter
SPCK falling to MISO delay
MOSI setup time before SPCK rises
MOSI hold time after SPCK rises
SPCK rising to MISO delay
MOSI setup time before SPCK falls
MOSI hold time after SPCK falls
NSS setup time before SPCK rises
NSS hold time after SPCK falls
NSS setup time before SPCK falls
NSS hold time after SPCK rises
t
SAMPLE
SPCK, CPOL=0
SPCK, CPOL=1
Figure 32-11. USART in SPI Slave Mode with (CPOL= CPHA= 0) or (CPOL= CPHA= 1)
Figure 32-12. USART in SPI Slave Mode, NPCS Timing
=
t
SPCK
SPCK
MISO
MOSI
NSS
–
⎛
⎝
------------------------------------
2 t
t
CLKUSART
SPCK
USPI12
USPI14
USPI9
USPI10
+
1
-- -
2
⎞
⎠
(1)
t
CLKUSART
USPI11
3.0V to 3.6V,
Conditions
V
capacitor =
maximum
VDDIO
external
40pF
from
2.6 + t
2.6 + t
t
t
CLK_USART
CLK_USART
AT32UC3L0128/256
27.2
27.2
Min
SAMPLE
SAMPLE
0
0
0
0
(2)
(2)
+
+
USPI13
USPI15
Max
37.3
37.0
Units
ns
817