ATA6616-P3QW Atmel, ATA6616-P3QW Datasheet - Page 170
ATA6616-P3QW
Manufacturer Part Number
ATA6616-P3QW
Description
TXRX MULTICHIP MOD LIN SIP 38QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6617-EK.pdf
(308 pages)
Specifications of ATA6616-P3QW
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, LIN, SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
38-VQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
ATA6616-P3QW
Manufacturer:
ATMEL
Quantity:
950
Part Number:
ATA6616-P3QW
Manufacturer:
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Atmel ATA6616/ATA6617
• Bit 4 – MSTR: Master/Slave Select
This bit selects Master SPI mode when written to one, and Slave SPI mode when written logic
zero. If SS is configured as an input and is driven low while MSTR is set, MSTR will be
cleared, and SPIF in SPSR will become set. The user will then have to set MSTR to re-enable
SPI Master mode.
• Bit 3 – CPOL: Clock Polarity
When this bit is written to one, SCK is high when idle. When CPOL is written to zero, SCK is
low when idle. Refer to
summarized below:
Table 4-41.
• Bit 2 – CPHA: Clock Phase
The settings of the Clock Phase bit (CPHA) determine if data is sampled on the leading (first)
or trailing (last) edge of SCK. Refer to
functionality is summarized below:
Table 4-42.
• Bits 1, 0 – SPR1, SPR0: SPI Clock Rate Select 1 and 0
These two bits control the SCK rate of the device configured as a Master. SPR1 and SPR0
have no effect on the Slave. The relationship between SCK and the clk
shown in the following table:
Table 4-43.
SPI2X
0
0
0
0
1
1
1
1
CPOL
CPHA
0
1
0
1
CPOL Functionality
CPHA Functionality
Relationship Between SCK and the Oscillator Frequency
Figure 4-60
SPR1
0
0
1
1
0
0
1
1
and
Figure 4-60
Leading Edge
Leading Edge
Figure 4-61
Sample
Falling
Rising
Setup
SPR0
0
1
0
1
0
1
0
1
and
for an example. The CPOL functionality is
Figure 4-61
SCK Frequency
f
f
f
f
f
f
f
f
clkio
clkio
clkio
clkio
clkio
clkio
clkio
clkio
/
/
/
/
/
/
/
/
4
16
64
128
2
8
32
64
for an example. The CPOL
Trailing Edge
Trailing Edge
IO
Sample
Falling
Rising
Setup
frequency f
9132D–AUTO–12/10
clkio
is
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