ASI4U datasheet(23/71 Pages) RENESAS

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ASI4U / ASI4U-E / ASI4U-F Datasheet

January 26, 2016

ASI4U Internal EEPROM

Address [hex]

Bit

Position

EEPROM Cell Content

EEPROM Register Content

Multiplex_Data

Multiplexed bi-directional Data Port mode

Multiplex_Parameter

Multiplexed bi-directional Parameter Port

mode

P0_Watchdog_Activation

Watchdog can be activated/deactivated by the

logic value at parameter pin P0.

Watchdog_Active must not be set.

Watchdog_Active

Communication watchdog is continuously

activated.

Master_Mode

If set, Firmware Area cannot be accessed.

Program_Mode_Disable

If set, Firmware Area is protected against

overriding.

Repeater_Mode

If set, Firmware Area cannot be accessed.

Invert_Data_In

All Data Port inputs are inverted.

0 to 3

DI_Invert_Configuration

Enables separate input data inverting for

selected DI pins.

Invert_Data_In must not be set.

0 to 3

DI_Filter_Configuration

Enables anti-bouncing filters for selected DI

pins

0 to 2

DI_Filter_Time_Constant

Defines a time constant for the input filter. For

coding rules, see section 4.7.2.

P1_Filter_Activation

If flag is set, the logic value at the parameter

pin P1 determines whether the filter function is

active or inactive (see section 4.6.2.)

If flag is not set, DI_Filter_Configuration

activates the filter function.

0 to 3

Data_Out_Configuration

Defines whether the corresponding Data Port

output pin is driven by the Data Output

command) or the Data_Out_Value register

(EEPROM configured).

0 to 3

Data_Out_Value

Stores static Data Port output value if selected

by Data_Out_Configuration

ASI4U Datasheet(PDF) 23 Page - Renesas Technology Corp

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