SERC816 データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

メーカー

SERC816

SERCOS INTERFACE CONTROLLER

STMicroelectronics 

SERCON816

SERCOS INTERFACE CONTROLLER

s Single-chip controller for SERCOS interface

s Real time communication for industrial control

systems

s 8/16-bit bus interface, Intel and Motorola control

signals

s Dual port RAM with 2048 word *16-bit

s Data communications via optical fiber rings, RS

485 rings and RS 485 busses

s Maximum transmission rate of 16 Mbaud with

internal clock recovery

s Internal repeater for ring connections

s Full duplex operation

s Modulation of power of optical transmitter diode

s Automatic transmission of synchronous and

data telegrams in the communication cycle

s Flexible RAM configuration, communication

data stored in RAM (single or double buffer) or

transfer via DMA

s Synchronization by external signal

PQFP100

ORDERING NUMBERS: SERC816

SERC816/TR

s Timing control signals

s Automatic service channel transmission

s Watchdog to monitor software and external

synchronization signals

s Compatible mode to SERCON410B SERCOS

interface controller

s 100-pin plastic flat-pack casing

Figure 1. SERCON816 Block Diagram

WRN D[15:0] A[15:0] BUSYN

MCSN0/1

RDN

ALEL

ALEH

BHEN

PCSN0

PCS1

ADMUX

BUSMODE[1:0]

BUSWIDTH

BYTEDIR

SBAUD

SBAUD16

TM0/1

bus interfac e

inter-

rupt

te le g ra m -

proc essing

DMA

c loc k

reset

watc h-

dog

tim ing -

c ontrol

INT0/1

SCLK

SCLKO2/4

MCLK

RSTN

DMAREQR/T

DMAACKNR/T

WDOGN

CYC_CLK

CON_CLK

DIV_CLK

serial interfac e

L_ERRN

RECACTN

IDLE

RxC

TxC

RxD TxD[6:1]

optical transm itter/

receiver or

RS-485 bus drive

January 2003

1/23

Share Link: