SP509_05 Datasheet, PDF (19/29 Pages) Sipex Corporation – Rugged 40Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

+5V (decoupling capacitor not shown)
1µF
V35RGND
RD(a)
RD(b)
RT(a)
RxD
RDEN
RT(b)
TxC(a)
RxC
RTEN
TxC(b)
CS(a)
TxC
TxCEN
CS(b)
DM(a)
CTS
CSEN
DM(b)
RRT(a)
DSR
DMEN
DCD_DTE
RRTEN
RRT(b)
IC
RI
ICEN
TM
TM
TMEN
1µF
1µF
VCC
VDD
C1+
C1-
C2+
Regulated Charge Pump
C2-
VSS
D0
D1
D2
D-LATCH
TERM-OFF
LOOPBACK
SP509
GND
V.10-GND
1µF
TxD
SD(a)
V35TGND1
SD(b)
SDEN
TxCE
TT(a)
V35TGND2
TT(b)
TTEN
ST
ST(a)
V35TGND3
ST(b)
STEN
RTS
RS(a)
RS(b)
RSEN
DTR
TR(a)
TR(b)
TREN
DCD_DCE
RRC(a)
RRC(b)
RRCEN
RL
RL(a)
RLEN
LL
LL(a)
LLEN
RECEIVER TERMINATION NETWORK
V.35 MODE
V.11 MODE
RX ENABLE
51ohms
124ohms
51ohms
V.35 DRIVER TERMINATION NETWORK
V.35 MODE
TX ENABLE
51ohms
124ohms
51ohms
Figure 47. Functio nal Diagram
Date: 1/19/05
SP509 Enhanced WAN Multi–Protocol Serial Transceiver
19
© Copyright 2005 Sipex Corporation