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ATMEGA640 bảng dữ liệu(PDF) 189 Page - Microchip Technology

tên linh kiện ATMEGA640
Giải thích chi tiết về linh kiện  8-bit Microcontroller with 16/32/64KB In-System Programmable Flash
PDF  436 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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ATMEGA640 bảng dữ liệu(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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