ATmega48P Atmel Corporation, ATmega48P Datasheet - Page 32
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ATmega48P
Manufacturer Part Number
ATmega48P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega48P
Flash (kbytes)
4 Kbytes
Pin Count
32
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
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)
0.5
Eeprom (bytes)
256
Self Program Memory
NO
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
Part Number:
ATmega48P-10MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega48P-20AU
Manufacturer:
TI
Quantity:
101
Company:
Part Number:
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Manufacturer:
ATMEL
Quantity:
2 356
Company:
Part Number:
ATmega48P-20PU
Manufacturer:
ON
Quantity:
12 400
Part Number:
ATmega48P-20PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega48PA-15MT
Manufacturer:
ATMEL
Quantity:
110
Company:
Part Number:
ATmega48PA-15MZ
Manufacturer:
ATMEL
Quantity:
3 500
Part Number:
ATmega48PA-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
32
ATmega48P/88P/168P
Figure 9-3.
Table 9-6.
Notes:
Oscillator Source /
Power Conditions
Ceramic resonator, fast
rising power
Ceramic resonator, slowly
rising power
Ceramic resonator, BOD
enabled
Ceramic resonator, fast
rising power
Ceramic resonator, slowly
rising power
Crystal Oscillator, BOD
enabled
Crystal Oscillator, fast
rising power
Crystal Oscillator, slowly
rising power
1. These options should only be used when not operating close to the maximum frequency of the
2. These options are intended for use with ceramic resonators and will ensure frequency stability
device, and only if frequency stability at start-up is not important for the application. These
options are not suitable for crystals.
at start-up. They can also be used with crystals when not operating close to the maximum fre-
quency of the device, and if frequency stability at start-up is not important for the application.
Crystal Oscillator Connections
Start-up Times for the Full Swing Crystal Oscillator Clock Selection
Start-up Time from
Power-down and
C2
C1
Power-save
16K CK
16K CK
16K CK
258 CK
258 CK
1K CK
1K CK
1K CK
XTAL2 (TOSC2)
XTAL1 (TOSC1)
GND
Additional Delay
14CK + 4.1 ms
14CK + 4.1 ms
14CK + 65 ms
14CK + 65 ms
14CK + 4.1 ms
14CK + 65 ms
(V
from Reset
CC
14CK
14CK
= 5.0V)
(2)
(1)
(2)
(1)
(2)
CKSEL0
0
0
0
0
1
1
1
1
8025M–AVR–6/11
SUT[1:0]
00
01
10
11
00
01
10
11