7.4 Device Functional Modes

7.4.1 Enable and Disable

The receivers implemented in these RS422 devices can be configured using the G and G pins to be enabled or

disabled. This allows users to ignore or filter out transmissions as desired.

Table 7-1. Function Table (Each Receiver)

DIFFERENTIAL INPUT

ENABLES(1)

OUTPUT

A/B

G

G

Y

VID ≥ VIT+

H

X

H

X

L

H

VIT < VID < VIT+

H

X

?

X

L

?

VID ≤ VIT-

H

X

L

X

L

L

X

L

H

Z

(1)

H = High level, L = Low level, X = Irrelevant, Z = High impedance (off), ? = Indeterminate

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AM26C32, AM26C32C, AM26C32M, AM26C32I

SLLS104M – DECEMBER 1990 – REVISED OCTOBER 2023

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