IC-VRV datasheet(3/12 Pages) ICHAUS

3 / 12 page

iC-VRV

BIDIRECTIONAL µP INTERFACE TO 24V

Rev A2, Page 3/12

PACKAGES PLCC44 to JEDEC Standard

PIN CONFIGURATION PLCC44

(top view)

PIN FUNCTIONS PLCC44

No.

Name

Function

Description

No.

Name

Function

Description

Bus Data Bit 3

COM

Diodes, common cathode

Address

IO0

I/O Stage 0

Address

GND01

Ground Stage 0+1

CSN

Chip Select

IO1

I/O Stage 1

n.c.

IO2

I/O Stage 2

WRN

Write Enable

GND23

Ground Stage 2+3

RDN

Read Enable

IO3

I/O Stage 3

RESN

Reset

VCCA

+5 V Supply (analog section)

BLFQ

Clock, flashing function

n.c.

CLK

Clock, filter function

n.c.

INTN

Interrupt Report

n.c.

GNDD

Digital Ground

VCCD

+5 V Supply (digital section)

n.c.

Bus Data Bit 4

n.c.

Bus Data Bit 5

n.c.

Bus Data Bit 6

GNDA

Analog Ground

Bus Data Bit 7

IO4

I/O Stage 4

39(*)

CTEST

GND45

Ground Stage 4+5

Bus Data Bit 0

IO5

I/O Stage 5

41(*)

ENERR

IO6

I/O Stage 6

Bus Data Bit 1

GND67

Ground Stage 6+7

Bus Data Bit 2

IO7

I/O Stage 7

44(x)

CERR

*: pin needs external wiring to Ground

x: pin should left open

Function: I = Input, O = Output, B = bidirectional

IC-VRV Datasheet(PDF) 3 Page - IC-Haus GmbH

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