AS2701 datasheet(3/16 Pages) AMSCO

3 / 16 page

AS-Interface Slave IC

AS2701A (ISA3+)

Rev. C, October 2000

Page 3 of 16

Packag e

SOIC20

Pin Descriptio n

DSTBn

U5R

TEST

SCL

SDA

LTGN

PSTBn

OSC2

UOUT

CDC

LTGP

OSC1

Nam e

Type

Description

I/O

Data input/output 3, configurable

I/O

Data input/output 2, configurable

I/O

Data input/output 1, configurable

I/O

Data input/output 0, configurable

DSTBn

I/O

Strobe output for the data port,

input for a reset signal (active low)

U5R

Voltage OUT

Supply voltage of the E

2PROM,

Blocking capacitor CU5R

TEST

Connection to the capacitor CTEST

SCL

OUT

Serial two-wire bus, puls wire

SDA

I/O

Serial two-wire bus, address and data wire

LTGN

SUPPLY

AS-Interface wire, negative supply

LTGP

SUPPLY

AS-Interface wire, positive supply

CDC

Voltage OUT

Blocking capacitor CCDC

UOUT

Voltage OUT

Peripherals

OSC1

Quartz connection

OSC2

OUT

Quartz connection

PSTBn

OUT

Strobe output for the parameter port, test mode

(without importance for users)

OUT

Parameter output 0

OUT

Parameter output 1

OUT

Parameter output 2

OUT

Parameter output 3

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