ATMEGA48PA-AU Atmel, ATMEGA48PA-AU Datasheet - Page 166
ATMEGA48PA-AU
Manufacturer Part Number
ATMEGA48PA-AU
Description
MCU AVR 4KB FLASH 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA48A-PU.pdf
(566 pages)
2.ATMEGA48A-PU.pdf
(33 pages)
3.ATMEGA48PA-MMH.pdf
(26 pages)
Specifications of ATMEGA48PA-AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
20MHz
No. Of Timers
3
Rohs Compliant
Yes
Processor Series
ATMEGA48x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
On-chip Dac
10 bit, 6 Channel
Data Rom Size
256 B
Height
1 mm
Length
7 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Width
7 mm
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA48PA-AU
Manufacturer:
MICRON
Quantity:
1 000
Company:
Part Number:
ATMEGA48PA-AU
Manufacturer:
Atmel
Quantity:
900
Part Number:
ATMEGA48PA-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA48PA-AUR
Manufacturer:
ATMEL
Quantity:
723
- Current page: 166 of 566
- Download datasheet (23Mb)
17.11.9
8271C–AVR–08/10
GTCCR – General Timer/Counter Control Register
The mechanisms for reading TCNT2, OCR2A, OCR2B, TCCR2A and TCCR2B are different.
When reading TCNT2, the actual timer value is read. When reading OCR2A, OCR2B, TCCR2A
and TCCR2B the value in the temporary storage register is read.
Bit
0x23 (0x43)
Read/Write
Initial Value
• Bit 1 – PSRASY: Prescaler Reset Timer/Counter2
When this bit is one, the Timer/Counter2 prescaler will be reset. This bit is normally cleared
immediately by hardware. If the bit is written when Timer/Counter2 is operating in asynchronous
mode, the bit will remain one until the prescaler has been reset. The bit will not be cleared by
hardware if the TSM bit is set. Refer to the description of the
chronization Mode” on page 144
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
TSM
R/W
7
0
R
6
–
0
for a description of the Timer/Counter Synchronization mode.
R
5
–
0
R
4
–
0
3
–
R
0
”Bit 7 – TSM: Timer/Counter Syn-
R
2
–
0
PSRASY
R/W
1
0
PSRSYNC
R/W
0
0
GTCCR
166
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