ATmega168P Atmel Corporation, ATmega168P Datasheet - Page 198
ATmega168P
Manufacturer Part Number
ATmega168P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega168P
Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
20 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)
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
1.8 to 5.5
Operating Voltage (vcc)
1.8 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega168P-20AU
Manufacturer:
ATMEL
Quantity:
1 250
Company:
Part Number:
ATmega168P-20MU
Manufacturer:
ATMEL
Quantity:
12 000
Part Number:
ATmega168P-20MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega168PA-15AZ
Manufacturer:
VAC
Quantity:
120
Company:
Part Number:
ATmega168PA-15MZ
Manufacturer:
TOSHIBA
Quantity:
1 000
Company:
Part Number:
ATmega168PA-AU
Manufacturer:
Atmel
Quantity:
2 902
Part Number:
ATmega168PA-AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
ATmega168PA-MMH
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Table 20-9.
Note:
198
Baud
Rate
(bps)
2400
4800
9600
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
115.2k
230.4k
250k
Max.
(1)
1. UBRRn = 0, Error = 0.0%
ATmega48P/88P/168P
UBRRn
25
12
6
3
2
1
1
0
–
–
–
–
Examples of UBRRn Settings for Commonly Used Oscillator Frequencies
U2Xn = 0
62.5 kbps
f
Error
-18.6%
osc
-7.0%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
–
–
–
–
= 1.0000 MHz
UBRRn
51
25
12
8
6
3
2
1
1
0
–
–
U2Xn = 1
125 kbps
Error
-18.6%
-3.5%
-7.0%
0.2%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
–
–
UBRRn
47
23
11
7
5
3
2
1
0
1
–
–
115.2 kbps
U2Xn = 0
f
osc
Error
-25.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
= 1.8432 MHz
–
–
UBRRn
95
47
23
15
11
230.4 kbps
U2Xn = 1
7
5
3
2
1
0
–
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
UBRRn
51
25
12
8
6
3
2
1
1
0
–
–
U2Xn = 0
125 kbps
f
osc
Error
-18.6%
-3.5%
-7.0%
0.2%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
–
–
= 2.0000 MHz
UBRRn
103
51
25
16
12
8
6
3
2
1
–
0
U2Xn = 1
250 kbps
8025M–AVR–6/11
Error
-3.5%
-7.0%
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
8.5%
0.0%
–