ATA6612P-PLPW Atmel, ATA6612P-PLPW Datasheet - Page 190
ATA6612P-PLPW
Manufacturer Part Number
ATA6612P-PLPW
Description
MCU W/LIN TXRX REG WTCHDG 48-QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6612-EK.pdf
(364 pages)
Specifications of ATA6612P-PLPW
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-QFN Exposed Pad
Processor Series
ATA6x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Atmel ATA6612/ATA6613
Table 6-67.
Table 6-68.
Table 6-69.
• Bit 4 – MSTR: Master/Slave Select
• Bit 3 – CPOL: Clock Polarity
• Bit 2 – CPHA: Clock Phase
• Bits 1, 0 – SPR1, SPR0: SPI Clock Rate Select 1 and 0
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.
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
tionality is summarized below:
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
The CPOL functionality is summarized below:
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 Oscillator Clock
frequency f
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
osc
is shown in the following table:
SPR1
0
0
1
1
0
0
1
1
Figure 6-67
Leading Edge
Leading Edge
Sample
Falling
Rising
Setup
and
SPR0
0
1
0
1
0
1
0
1
Figure 6-68
Figure 6-67
SCK Frequency
f
f
f
f
f
f
f
f
osc
osc
osc
osc
osc
osc
osc
osc
/
/
/
/
/
/
/
/
4
16
64
128
2
8
32
64
for an example. The CPOL func-
and
Figure 6-68
Trailing Edge
Trailing Edge
Sample
Falling
Rising
Setup
for an example.
9111H–AUTO–01/11
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