MB91F577CSPMC datasheet(117/163 Pages) CYPRESS

Part #	MB91F577CSPMC

Description	32-bit RISC, load/store architecture, 5-stage pipeline

PDF	163 Pages

Scroll/Zoom	100%

Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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117 / 163 page

Document Number: 002-04725 Rev.*A

Page 117 of 163

MB91570 Series

Guaranteed operation range

Internal operation clock frequency vs. Power supply voltage

Note: The CPU will be reset at the power supply voltage 4V±0.3V or less.

Oscillation clock frequency vs. Internal operation clock frequency

Internal operation clock frequency

Main Clock

PLL clock

Multiplied

by 1

Multiplied

by 2

Multiplied

by 3

Multiplied

by 4

...

Multiplied

by 19

Multiplied

by 20

Oscillation

clock frequency

4MHz

2MHz

4MHz

8MHz

12MHz

16MHz

...

76MHz

80MHz

Example of oscillation circuit

Note:

As to the product with its clock supervisor’s initial value is ”ON”, when the oscillator is unable to start within 20ms from the

stop state the clock supervisor will detect the oscillation stop. As a result, the CPU moves to the fail safe operation.

Design your printed circuit board so that the oscillator can start oscillation within 20ms.

R=0

C2=10pF

C1=10pF

4MHz

MB91F577CSPMC Datasheet(PDF) 117 Page - Cypress Semiconductor

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