ST7PSCR1E4M1/XXX View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7PSCR1E4M1/XXX

8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER

STMicroelectronics 

ST7SCR

CLOCK AND TIMING CHARACTERISTICS (Cont’d)

Figure 38. Typical Application with an External Clock Source

VOSC1H

VOSC1L

90%

10%

tr(OSC1)

tf(OSC1)

tw(OSC1H)

tw(OSC1L)

EXTERNAL

CLOCK SOURCE

OSC2

OSC1

Not connected internally

fOSC

IL

ST7XXX

Notes:

1. Data based on typical application software.

2. Time measured between interrupt event and interrupt vector fetch. ∆tc(INST) is the number of tCPU cycles needed to finish

the current instruction execution.

3. Data based on design simulation and/or technology characteristics, not tested in production.

80/102

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