ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 148

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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
16.7
148
Timer/Counter Timing Diagrams
ATmega169P Automotive
The following figures show the Timer/Counter in synchronous mode, and the timer clock (clk
is therefore shown as a clock enable signal. In asynchronous mode, clk
the Timer/Counter Oscillator clock. The figures include information on when Interrupt Flags are
set.
count sequence close to the MAX value in all modes other than phase correct PWM mode.
Figure 16-8. Timer/Counter Timing Diagram, no Prescaling
Figure 16-9
Figure 16-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 16-10
Figure 16-8
TCNTn
(clk
TCNTn
(clk
TOVn
TOVn
clk
clk
clk
clk
I/O
I/O
I/O
Tn
I/O
Tn
/1)
shows the same timing data, but with the prescaler enabled.
/8)
shows the setting of OCF2A in all modes except CTC mode.
contains timing data for basic Timer/Counter operation. The figure shows the
MAX - 1
MAX - 1
MAX
MAX
BOTTOM
BOTTOM
clk_I/O
/8)
I/O
should be replaced by
BOTTOM + 1
BOTTOM + 1
7735B–AVR–12/07
T2
)

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