ATmega324P Automotive Atmel Corporation, ATmega324P Automotive Datasheet - Page 193
ATmega324P Automotive
Manufacturer Part Number
ATmega324P Automotive
Description
Manufacturer
Atmel Corporation
Specifications of ATmega324P Automotive
Flash (kbytes)
32 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)
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
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7674F–AVR–09/09
Table 17-4.
Note:
• Bits 5:4 – UPMn1:0: Parity Mode
These bits enable and set type of parity generation and check. If enabled, the Transmitter will
automatically generate and send the parity of the transmitted data bits within each frame. The
Receiver will generate a parity value for the incoming data and compare it to the UPMn setting.
If a mismatch is detected, the UPEn Flag in UCSRnA will be set.
Table 17-5.
• Bit 3 – USBSn: Stop Bit Select
This bit selects the number of stop bits to be inserted by the Transmitter. The Receiver ignores
this setting.
Table 17-6.
• Bit 2:1 – UCSZn1:0: Character Size
The UCSZn1:0 bits combined with the UCSZn2 bit in UCSRnB sets the number of data bits
(Character SiZe) in a frame the Receiver and Transmitter use.
Table 17-7.
UMSELn1
UCSZn2
UPMn1
1. See
0
0
0
0
1
0
0
1
1
0
1
1
operation
UMSELn Bits Settings
UPMn Bits Settings
USBS Bit Settings
UCSZn Bits Settings
USBSn
“USART in SPI Mode” on page 199
0
1
UCSZn1
UMSELn0
UPMn0
0
0
1
1
0
0
1
0
1
1
0
1
Stop Bit(s)
1-bit
2-bit
Parity Mode
Disabled
Reserved
Enabled, Even Parity
Enabled, Odd Parity
Mode
Synchronous USART
(Reserved)
Master SPI (MSPIM)
UCSZn0
for full description of the Master SPI Mode (MSPIM)
ATmega164P/324P/644P
0
1
0
1
0
Character Size
5-bit
6-bit
7-bit
8-bit
Reserved
(1)
193
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