ST92163 datasheet(83/224 Pages) STMICROELECTRONICS

No de pièce	ST92163

Description	8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT

PDF	224 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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ST92163 - RESET AND CLOCK CONTROL UNIT (RCCU)

PLL CONFIGURATION REGISTER (PLLCONF)

R246 - Read/Write

Reset Value: xx00 x111

Bit 7:6 = Reserved.

Bit 5:4 = MX[1:0]:

PLL Multiplication Factor.

Refer to Table 14 for multiplier settings.

Bit 3 = Reserved.

Bit 2:0 = DX[2:0]:

PLL output clock divider factor.

Refer to Table 15 for divider settings.

Table 14. PLL Multiplication Factors

Table 15. Divider Configuration

Figure 39. RCCU General Timing

MX1

MX0

DX2

DX1

DX0

MX1

MX0

CLOCK2 x

DX2

DX1

DX0

PLL CLOCK/1

PLL CLOCK/2

PLL CLOCK/3

PLL CLOCK/4

PLL CLOCK/5

PLL CLOCK/6

PLL CLOCK/7

CLOCK2

(PLL OFF, Reset State)

STOP

Acknowledged

STOP

External

Multiplier

Xtal

INTCLK

Internal

reset

clock

RESET

PLL selected by user

((N-1)*512+510)xT Xtal(**)

PLL

Lock-in

time

PLL

Lock-in

time

4xTsys

Quartz

start-up

Exit from RESET

510 x TXtal(*)

(*) if DIV2 =1

Switch to

PLL clock

(**) +/- 1 TXtal

PLL turned on by user

Xtal/2

PLL

Xtal/2

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