ATA6616-P3PW Atmel, ATA6616-P3PW Datasheet - Page 54
ATA6616-P3PW
Manufacturer Part Number
ATA6616-P3PW
Description
TXRX MULTICHIP MOD LIN SIP 38QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6617-EK.pdf
(308 pages)
Specifications of ATA6616-P3PW
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
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Atmel ATA6616/ATA6617
External Clock
Figure 4-12. Low-frequency Crystal Oscillator Connections
When this oscillator is selected, start-up times are determined by the SUT fuses or by CSUT
field as shown in
Table 4-12.
To drive the device from this external clock source, CLKI should be driven as shown in
4-13. To run the device on an external clock, the CKSEL Fuses or CSEL field must be pro-
grammed as shown in
Figure 4-13. External Clock Drive Configuration
When this clock source is selected, start-up times are determined by the SUT Fuses or CSUT
field as shown in
high or low frequency Crystal Oscillator is not running
page
Notes:
CSUT1..0
SUT1..0
57.). The asynchronous timer is then able to enable this input.
00
01
10
11
1. Flash Fuse bits
2. CLKSELR register bits
3. These options should only be used if frequency stability at start-up is not important for the
(1)
(2)
application
Start-up Times for the Low Frequency Crystal Oscillator Clock Selection
Start-up Time from
Power-down/save
Table
Table 4-13
32K (32768) CK
1K (1024) CK
1K (1024) CK
Table 4-5 on page
4-12.
12 - 22pF capacitors may be necessary if parasitic
This external clock can be used by the asynchronous timer if the
impedance (pads, wires & PCB) is very low.
(3)
(3)
External
Signal
32.768KHz
Clock
Additional Delay from
~
C1 = 12 - 22pF
C2 = 12 - 22pF
Reset (Vcc = 5.0V)
49.
4.1ms
65ms
65ms
Reserved
(XTAL2)
(XTAL1)
(See ”Enable/Disable Clock Source” on
(CLKO)
CLKI
GND
XTAL2
XTAL1
GND
Fast rising power or BOD enabled
Stable frequency at start-up
Recommended Usage
Slowly rising power
9132D–AUTO–12/10
Figure
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