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ATMEGA640 데이터시트(PDF) 189 Page - Microchip Technology

부품명 ATMEGA640
상세설명  8-bit Microcontroller with 16/32/64KB In-System Programmable Flash
PDF  436 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATMEGA640 데이터시트(HTML) 189 Page - Microchip Technology

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ATmega640/V-1280/V-1281/V-2560/V-2561/V [DATASHEET]
DS40002211A
20.10.9
GTCCR – General Timer/Counter Control Register
• 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 hard-
ware. 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 “Bit 7 – TSM: Timer/Counter Synchronization Mode” on page 166 for a description of the Timer/Counter Syn-
chronization mode.
Bit
7
654321
0
0x23 (0x43)
TSM
–
–
–
–
–
PSRASY
PSRSYNC
GTCCR
Read/Write
R/W
R
R
R
R
R
R/W
R/W
Initial Value
0
000000
0



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