STR720 datasheet(144/401 Pages) STMICROELECTRONICS

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STR720 데이터시트(PDF) 144 Page - STMicroelectronics

부품명	STR720

상세설명	ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES

PDF	401 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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144 / 401 page

STR720 - RESET AND CLOCK CONTROL UNIT (RCCU)

144/401

Bit 5:0 = MX[5:0]: PLL Multiplication Factor.

This bit field selects the multiplier factor used to generate PLL output clock from its input

reference clock. Refer to Table 37 for multiplier settings

WARNING Not all clock selections are possible and setting the system clock to any

unsupported frequency may cause the system to malfunction. In this case the only way to

start again is a hardware reset. For the allowed values, refer to section 25 on page 364.

PLLCLKREF/4

PLLCLKREF/8

Table 37. PLL multiplication factors

MX5

MX4

MX3

MX2

MX1

MX0

Multiply factor

0 to 7

N/A

000111

001000

001001

...

001111

010000

...

011111

100000

...

111111

Table 36. PLL divider settings

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