ATMEGA168PA-PU Atmel, ATMEGA168PA-PU Datasheet - Page 166

MCU, 8BIT, AVR, 16K FLASH, 28PDIP

ATMEGA168PA-PU

Manufacturer Part Number
ATMEGA168PA-PU
Description
MCU, 8BIT, AVR, 16K FLASH, 28PDIP
Manufacturer
Atmel
Datasheet

Specifications of ATMEGA168PA-PU

Controller Family/series
Atmega
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
20MHz
No.
RoHS Compliant
Core Size
8bit
Program Memory Size
16KB
Oscillator Type
External, Internal
Rohs Compliant
Yes

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA168PA-PU
Manufacturer:
TI
Quantity:
1 240
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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