ATmega328P Automotive Atmel Corporation, ATmega328P Automotive Datasheet - Page 309

• Manufacturer Part Number: ATmega328P Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega328P Automotive

• Flash (kbytes): 32 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 23
• Ext Interrupts: 24
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• 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: Yes
• Crypto Engine: No
• Sram (kbytes): 2
• Eeprom (bytes): 1024
• 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

28.7
7810A–AVR–11/09
SPI Timing Characteristics
See
Table 28-6.
Note:
Figure 28-3. SPI Interface Timing Requirements (Master Mode)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Figure 28-3
(Data Output)
(Data Input)
(CPOL = 0)
(CPOL = 1)
Description
SCK period
SCK high/low
Rise/Fall time
Setup
Hold
Out to SCK
SCK to out
SCK to out high
SS low to out
SCK period
SCK high/low
Rise/Fall time
Setup
Hold
SCK to out
SCK to SS high
SS high to tri-state
SS low to SCK
1. In SPI Programming mode the minimum SCK high/low period is:
2. All AC/AC characteristics contained in this datasheet are based on characterization of
- 2 t
- 3 t
ATmega328P AVR microcontroller manufactured in an automotive process technology.
MISO
MOSI
SCK
SCK
SS
SPI Timing Parameters
CLCL
CLCL
and
for f
for f
(1)
Figure 28-4
CK
CK
< 12 MHz
> 12 MHz
6
4
MSB
5
MSB
Mode
Master
Master
Master
Master
Master
Master
Master
Master
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
for details.
7
Min
4 • t
2 • t
10
t
20
20
ck
ATmega328P [Preliminary]
ck
ck
...
...
Typ
See
50% duty cycle
3.6
10
10
0.5 • t
10
10
15
15
10
Table 18-5
2
sck
LSB
1
LSB
2
Max
1600
3
8
ns
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