AT32UC3L-EK Atmel, AT32UC3L-EK Datasheet - Page 807
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT32UC3L-EK
Manufacturer Part Number
AT32UC3L-EK
Description
KIT EVAL AVR32 UC3 MCU
Manufacturer
Atmel
Type
MCUr
Specifications of AT32UC3L-EK
Contents
*
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
UC3L
Kit Contents
Board
Features
USB / Battery Powered, Board Controller / Bootloader
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
Tool Type
Starter Kit
Cpu Core
AVR 8
Data Bus Width
8 bit
Processor Series
AT32
Processor To Be Evaluated
AT32UC3L064
Interface Type
USB, Capacitive Touch
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3L-EK
Manufacturer:
Atmel
Quantity:
135
- Current page: 807 of 858
- Download datasheet (13Mb)
Table 32-39. USART in SPI mode Timing, Slave Mode
Notes:
32099F–11/2010
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 32-12. USART in SPI Slave Mode NPCS Timing
Maximum SPI Frequency, Slave Input Mode
The maximum SPI slave input frequency is given by the following formula:
Where
on CPOL and NCPHA.
chapter for a description of this clock.
Maximum SPI Frequency, Slave Output Mode
=
t
SPCK
NSS
–
SPIn
⎛
⎝
------------------------------------
2 t
×
is the MOSI setup and hold time, USPI7 + USPI8 or USPI10 + USPI11 depending
t
CLKUSART
SPCK
USPI12
USPI14
f
CLKSPI
+
1
-- -
2
⎞
⎠
(1)
f
×
SPCKMAX
t
CLKUSART
is the maximum frequency of the CLK_SPI. Refer to the SPI
3.0V to 3.6V,
Conditions
V
capacitor =
maximum
VDDIO
external
40pF
=
from
MIN
(
f
---------------------------- -
CLKSPI
t
t
SAMPLE
SAMPLE
9
×
(2)
(2)
AT32UC3L016/32/64
2
25.0
25.0
Min
+ t
+ t
,
0
0
0
0
----------- -
SPIn
CLK_USART
CLK_USART
1
)
USPI13
USPI15
Max
27.6
27.2
Units
ns
807
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