ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 49

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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
9.2.2
7735B–AVR–12/07
External Reset
Figure 9-3.
Table 9-1.
Note:
An External Reset is generated by a low level on the RESET pin. Reset pulses longer than the
minimum pulse width (see
reset, even if the clock is not running. Shorter pulses are not guaranteed to generate a reset.
When the applied signal reaches the Reset Threshold Voltage – V
delay counter starts the MCU after the Time-out period – t
Figure 9-4.
Symbol
V
V
V
V
POT
PORMAX
PORMIN
CCRR
INTERNAL
TIME-OUT
RESET
1. Before rising, the supply has to be between V
RESET
V
CC
CC
MCU Start-up, RESET Extended Externally
Power On Reset Specifications
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal Power-
on Reset signal
VCC Min. start voltage to ensure internal Power-
on Reset signal
VCC Rise Rate to ensure Power-on Reset
External Reset During Operation
”System and Reset Characteristics” on page
V
POT
ATmega169P Automotive
V
RST
t
TOUT
PORMIN
(1)
TOUT
and V
– has expired.
0.01
Min
-0.1
1.1
0.8
PORMAX
RST
– on its positive edge, the
to ensure a Reset.
Typ
1.4
1.3
328) will generate a
Max
1.7
1.6
0.4
Units
V/ms
V
V
V
V
49

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