ATmega164P Automotive Atmel Corporation, ATmega164P Automotive Datasheet - Page 334

• Manufacturer Part Number: ATmega164P Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega164P Automotive

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• 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 125
• 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: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

26.6
Table 26-7
2-wire Serial Interface meets or exceeds these requirements under the noted conditions.
Timing symbols refer to
Table 26-7.
334
Symbol
V
V
V
V
t
t
t
I
C
f
Rp
t
t
r
of
SP
i
SCL
HD;STA
LOW
OL
IL
IH
hys
i
2-wire Serial Interface Characteristics
ATmega164P/324P/644P
Parameter
Input Low-voltage
Input High-voltage
Hysteresis of Schmitt Trigger Inputs
Output Low-voltage
Rise Time for both SDA and SCL
Output Fall Time from V
Spikes Suppressed by Input Filter
Input Current each I/O Pin
Capacitance for each I/O Pin
SCL Clock Frequency
Value of Pull-up resistor
Hold Time (repeated) START Condition
Low Period of the SCL Clock
describes the requirements for devices connected to the 2-wire Serial Bus. The ATmega164P/324P/644P
2-wire Serial Bus Requirements
Figure
Figure 26-4. SPI Interface Timing Requirements (Slave Mode)
26-5.
(Data Output)
IHmin
(Data Input)
(CPOL = 0)
(CPOL = 1)
to V
MOSI
MISO
SCK
SCK
SS
ILmax
(1)
9
13
f
MSB
CK
MSB
(4)
14
10 pF < C
0.1V
> max(16f
3 mA sink current
f
f
SCL
f
f
SCL
f
f
SCL
SCL
SCL
SCL
15
CC
Condition
> 100 kHz
< V
> 100 kHz
> 100 kHz
100 kHz
100 kHz
100 kHz
b
< 400 pF
SCL
i
< 0.9V
, 250kHz)
(6)
(7)
CC
...
...
(3)
(5)
20 + 0.1C
20 + 0.1C
V
----------------------------
V
----------------------------
0.05 V
CC
CC
0.7 V
3mA
3mA
11
-0.5
Min
-10
4.0
0.6
4.7
1.3
–
–
0
0
–
0
0,4V
0,4V
CC
CC
b
b
(2)
(2)(3)
(2)(3)
10
LSB
LSB
11
V
12
0.3 V
1000ns
------------------ -
CC
300ns
--------------- -
50
Max
300
250
400
0.4
C
10
10
C
16
–
–
–
–
–
+ 0.5
b
(2)
b
CC
7674F–AVR–09/09
X
17
Units
kHz
µA
pF
ns
ns
ns
µs
µs
µs
µs
V
V
V
V