ATtiny87-15MZ datasheet(41/282 Pages) ATMEL

tên linh kiện	ATtiny87-15MZ

Giải thích chi tiết về linh kiện	8-bit Microcontroller with 8K/16K Bytes In-System Programmable Flash and LIN Controller

PDF	282 Pages

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nhà sản xuất	ATMEL [ATMEL Corporation]

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41 / 282 page

7728D–AVR–07/09

ATtiny87/ATtiny167

• Bits 5:4 – CSUT1:0: Clock Start-up Time

CSUT bits are initialized with the values of SUT Fuse bits.

In case of ‘Enable/Disable Clock Source’ command, CSUT field provides the code of the clock

start-up time. Refer to subdivisions of Section 4.2 “Clock Sources” on page 25 for code of

clock start-up times.

In case of ‘Recover System Clock Source’ command, CSUT field is not affected (no recover-

ing of SUT code).

• Bits 3:0 – CSEL3:0: Clock Source Select

CSEL bits are initialized with the values of CKSEL Fuse bits.

In case of ‘Enable/Disable Clock Source’, ‘Request for Clock Availability’ or ‘Clock Source

Switch’ command, CSEL field provides the code of the clock source. Refer to Table 4-1 on

page 25 and subdivisions of Section 4.2 “Clock Sources” on page 25 for clock source codes.

In case of ‘Recover System Clock Source’ command, CSEL field contains the code of the

clock source used to drive the Clock Control Unit as described in Figure 4-1 on page 24.

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