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ATMEGA640 Datasheet(PDF) 160 Page - Microchip Technology

Part # ATMEGA640
Description  8-bit Microcontroller with 16/32/64KB In-System Programmable Flash
PDF  436 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATMEGA640 Datasheet(HTML) 160 Page - Microchip Technology

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ATmega640/V-1280/V-1281/V-2560/V-2561/V [DATASHEET]
DS40002211A
17.11.24 OCR4BH and OCR4BL – Output Compare Register 4 B
17.11.25 OCR4CH and OCR4CL –Output Compare Register 4 C
17.11.26 OCR5AH and OCR5AL – Output Compare Register 5 A
17.11.27 OCR5BH and OCR5BL – Output Compare Register 5 B
17.11.28 OCR5CH and OCR5CL –Output Compare Register 5 C
The Output Compare Registers contain a 16-bit value that is continuously compared with the counter value
(TCNTn). A match can be used to generate an Output Compare interrupt, or to generate a waveform output on the
OCnx pin.
The Output Compare Registers are 16-bit in size. To ensure that both the high and low bytes are written simultane-
ously when the CPU writes to these registers, the access is performed using an 8-bit temporary High Byte Register
(TEMP). This temporary register is shared by all the other 16-bit registers. See “Accessing 16-bit Registers” on
page 135.
17.11.29 ICR1H and ICR1L – Input Capture Register 1
(0xA8)
OCR4A[7:0]
OCR4AL
Read/Write
R/WR/W
R/WR/W
R/WR/W
R/WR/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
2
1
0
(0xAA)
OCR4B[15:8]
OCR4BH
(0xAB)
OCR4B[7:0]
OCR4BL
Read/Write
R/WR/W
R/WR/W
R/WR/W
R/WR/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
2
1
0
(0xAD)
OCR4C[15:8]
OCR4CH
(0xAC)
OCR4C[7:0]
OCR4CL
Read/Write
R/WR/W
R/WR/W
R/WR/W
R/WR/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
2
1
0
(0x129)
OCR5A[15:8]
OCR5AH
(0x128)
OCR5A[7:0]
OCR5AL
Read/Write
R/WR/W
R/WR/W
R/WR/W
R/WR/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
2
1
0
(0x12B)
OCR5B[15:8]
OCR5BH
(0x12A)
OCR5B[7:0]
OCR5BL
Read/Write
R/WR/W
R/WR/W
R/WR/W
R/WR/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
2
1
0
(0x12D)
OCR5C[15:8]
OCR5CH
(0x12C)
OCR5C[7:0]
OCR5CL
Read/Write
R/WR/W
R/WR/W
R/WR/W
R/WR/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
2
1
0
(0x87)
ICR1[15:8]
ICR1H
(0x86)
ICR1[7:0]
ICR1L



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