PEF82913 datasheet(24/240 Pages) INFINEON

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PEF 82912/82913

Overview

Data Sheet

2001-03-30

SDX

AD7

OD,O

I/O

Serial Data Transmit:

Transmit data line of the SCI interface if a serial

interface is selected

Multiplexed Bus Mode:

Address/data bus

Address/data line AD7 if the parallel interface is

selected

Non-Multiplexed Bus Mode:

Data bus

Data line D7 if the parallel interface is selected

AD0

AD1

AD2

AD3

AD4

I/O

Multiplexed Bus Mode:

Address/data bus

Transfers addresses from the microcontroller to

the Q-SMINT®I and data between the

microcontroller and the Q-SMINT®I.

Non-Multiplexed Bus Mode:

Data bus.

Transfers data between the microcontroller and

the Q-SMINT®I (data lines D0-D4).

Non-Multiplexed Bus Mode:

Address bus transfers addresses from the

microcontroller to the Q-SMINT®I. For indirect

address mode only A0 is valid.

Multiplexed Bus Mode

Not used in multiplexed bus mode. In this case

A0-A6 should directly be connected to VDD.

Read

Indicates a read access to the registers (Intel

bus mode).

Data Strobe

The rising edge marks the end of a valid read or

write operation (Motorola bus mode).

Table 2

Pin Definitions and Functions (cont’d)

Symbol

Type

Function

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