ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 919

• Manufacturer Part Number: ATUC128L4U
• Manufacturer: Atmel Corporation

Specifications of ATUC128L4U

• Flash (kbytes): 128 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 Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• 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

35.10.3
35.10.3.1
Table 35-41. USART in SPI Mode Timing, Master Mode
Notes:
32142A–12/2011
Symbol
USPI0
USPI1
USPI2
USPI3
USPI4
USPI5
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
2. Where:
USART in SPI Mode Timing
cess technology. These values are not covered by test limits in production.
Master mode
Parameter
MISO setup time before SPCK rises
MISO hold time after SPCK rises
SPCK rising to MOSI delay
MISO setup time before SPCK falls
MISO hold time after SPCK falls
SPCK falling to MOSI delay
t
SAMPLE
Figure 35-9. USART in SPI Master Mode with (CPOL= CPHA= 0) or (CPOL= CPHA= 1)
Figure 35-10. USART in SPI Master Mode with (CPOL= 0 and CPHA= 1) or (CPOL= 1 and
=
SPCK
SPCK
MISO
MOSI
MISO
MOSI
t
SPCK
–
⎛
⎝
------------------------------------
2
CPHA= 0)
t
t
CLKUSART
SPCK
USPI2
USPI5
1
-- -
2
⎞
⎠
(1)
t
CLKUSART
USPI0
USPI3
3.0V to 3.6V,
Conditions
V
capacitor =
maximum
VDDIO
external
40pF
from
USPI1
USPI4
28.7 + t
25.8 + t
ATUC64/128/256L3/4U
Min
0
0
SAMPLE
SAMPLE
(2)
(2)
21.19
Max
16.5
Units
ns
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