ATA6612P-PLQW Atmel, ATA6612P-PLQW Datasheet - Page 159
![MCU W/LIN TXRX REG WTCHDG 48-QFN](/photos/6/82/68297/48-qfn_sml.jpg)
ATA6612P-PLQW
Manufacturer Part Number
ATA6612P-PLQW
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-PLQW
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
I2C, SPI, 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATA6612P-PLQW
Manufacturer:
UPI
Quantity:
230
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6.14.10.4
6.14.10.5
6.14.10.6
9111H–AUTO–01/11
Timer/Counter1 – TCNT1H and TCNT1L
Output Compare Register 1 A – OCR1AH and OCR1AL
Output Compare Register 1 B – OCR1BH and OCR1BL
The two Timer/Counter I/O locations (TCNT1H and TCNT1L, combined TCNT1) give direct
access, both for read and for write operations, to the Timer/Counter unit 16-bit counter. To
ensure that both the high and low bytes are read and written simultaneously when the CPU
accesses these registers, the access is performed using an 8-bit temporary High Byte Regis-
ter (TEMP). This temporary register is shared by all the other 16-bit registers see
16-bit Registers” on page
Modifying the counter (TCNT1) while the counter is running introduces a risk of missing a
compare match between TCNT1 and one of the OCR1x Registers.
Writing to the TCNT1 Register blocks (removes) the compare match on the following timer
clock for all compare units.
The Output Compare Registers contain a 16-bit value that is continuously compared with the
counter value (TCNT1). A match can be used to generate an Output Compare interrupt, or to
generate a waveform output on the OC1x pin.
The Output Compare Registers are 16-bit in size. To ensure that both the high and low bytes
are written simultaneously when the CPU writes to these registers, the access is performed
using an 8-bit temporary High Byte Register (TEMP). This temporary register is shared by all
the other 16-bit registers (see
Initial Value
Initial Value
Initial Value
Read/Write
Read/Write
Read/Write
Bit
Bit
Bit
R/W
R/W
R/W
7
0
7
0
7
0
R/W
R/W
R/W
6
0
6
0
6
0
135.
“Accessing 16-bit Registers” on page
R/W
R/W
R/W
5
0
5
0
5
0
R/W
R/W
R/W
OCR1A[15:8]
OCR1B[15:8]
TCNT1[15:8]
OCR1A[7:0]
OCR1B[7:0]
4
TCNT1[7:0]
0
4
0
4
0
Atmel ATA6612/ATA6613
R/W
R/W
R/W
3
0
3
0
3
0
R/W
R/W
R/W
2
0
2
0
2
0
135).
R/W
R/W
R/W
1
0
1
0
1
0
R/W
R/W
R/W
0
0
0
0
0
0
“Accessing
OCR1AH
OCR1BH
OCR1AL
OCR1BL
TCNT1H
TCNT1L
159
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