UT80C196KDS Просмотр технического описания (PDF) - Aeroflex UTMC

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UT80C196KDS

UT80C196KDS Microcontroller

Aeroflex UTMC 

Table 9: External I/O Reset State

External I/O

I/O Function After Reset

I/O State During

Reset

I/O State After Reset

Port 2 (P2.5)

PWM0

PWM0

Pulled Down

Driven Low Output

Port 2 (P2.6)

P2.6

T2UP-DN

Pulled Up

Pulled Up

Port 2 (P2.7)

T2CAPTURE

EDACEN

ECB5/ADV_RD_ WR

P2.7 and T2CAPTURE

EDACEN

ECB5/ADV_RD_ WR

Pulled Up

Undefined Input1

Undefined I/O1

Pulled Up

Undefined Input1

Undefined I/O1,2

READY

READY

Undefined Input1

Undefined Input1

BUSWIDTH

BUSWIDTH

Undefined Input1

Undefined Input1

BHE

WRH

CLKOUT

INST

BHE

CLKOUT

INST

Pulled Up

T Driven Output

EN Pulled Down

Driven Output

Driven Output

Driven Output

RESET

RESET

Pulled Low by

System

Pulled Up

M Notes:

P 1. These pins must not be left floating. Input voltages must not exceed VDD during power-up.

DEVELO 2. Do not directly tie these pins to VDD or GND; if EDACEN goes low, they may be driven by the UT80C196KDS and bus contention may occur.

IN

10

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