Functional description

ISO8200B

20/33

Doc ID 023802 Rev 1

Figure 11.

Synchronous control mode IC configuration

Table 15.

Interface signal operation in synchronous control mode

LOAD

SYNC

OUT_EN

Device behavior

Don’t care

Don’t care

1.

The outputs are turned off on OUT_EN falling edge and they are kept disabled as long as it is low.

The outputs are disabled (turned off).

High

High

High

The outputs are left unchanged.

Low

High

High

The input buffer is enabled.

The outputs are left unchanged.

High

Low

High

The internal refresh signal is disabled.

The transmission buffer is updated.

The outputs are left unchanged.

High

Rising edge

High

The outputs are updated according to the current

transmission buffer value.

Low

Low

High

Should be avoided. (DCM operation only)

Vdd

Vdd

GNDdd

GND

Vdd

LOAD

OUT_EN

IN1

IN2

IN3

IN4

IN5

IN6

IN7

IN8

SYNC

FAULT

Vdd

MCU

ISO8200

GPIO

AM14899v1