ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 35

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ATmega169P Automotive

Manufacturer Part Number
ATmega169P Automotive
Description
Manufacturer
Atmel Corporation

Specifications of ATmega169P Automotive

Flash (kbytes)
16 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
7735B–AVR–12/07
Figure 7-3.
Table 7-8.
Crystals specifying load capacitance (CL) higher than 6.5 pF, require external capacitors applied
as described in
To find suitable load capacitance for a 32.768 kHz crystal, please consult the crystal datasheet.
The Low-frequency Crystal Oscillator must be selected by setting the CKSEL Fuses to “0110” or
“0111” as shown in
Table
Table 7-9.
Table 7-10.
Note:
CKSEL3..0
SUT1..0
0110
0111
00
01
10
11
7-9..
(1)
1. This option should only be used if frequency stability at start-up is not important for the
application
Typ. (pF)
6.5
Crystal Oscillator Connections
Low-frequency Crystal Oscillator Internal load Capacitance
Start-up Times for the Low-frequency Crystal Oscillator Clock Selection
Start-up Times for the Low-frequency Crystal Oscillator Clock Selection
Additional Delay from Reset (V
Figure 7-2 on page
Power-down and Power-save
Table
Start-up Time from
7-10. Start-up times are determined by the SUT Fuses as shown in
14 CK + 65 ms
14 CK + 4 ms
32K CK
1K CK
14 CK
33.
CC
ATmega169P Automotive
= 5.0V)
XTAL2 (TOSC2)
XTAL1 (TOSC1)
Reserved
Recommended Usage
Fast rising power or BOD enabled
Slowly rising power
Stable frequency at start-up
Recommended Usage
Stable frequency at start-up
35

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