Rainbow Electronics DS3134 - Manual (Page 7)

DS3134
7 of 203
SECTION 1: INTRODUCTION
The DS3134 Chateau device is a 256 channels HDLC controller. The primary features of the device are
listed in Table 1A. This data sheet is split in Sections along the major the blocks of the device as shown
in Figure 1A. Throughout the data sheet, certain terms will be used and these terms are defined in Table
1B. The DS3134 device is designed to meet certain specifications and a listing of these governing
specifications is shown in Table 1C.
DS3134 BLOCK DIAGRAM Figure 1A
RC2
RD2
RS2
TC2
TD2
TS2
JTDO
PCLK
PAD[31:0]
PRST*
PCBE[3:0]*
PPAR
PFRAME*
PIRDY*
PTRDY*
PSTOP*
PIDSEL
PDEVSEL*
PREQ*
PGNT*
PPERR*
PSERR*
RC15
RD15
RS15
TC15
TD15
TS15
RC0
RD0
RS0
TC0
TD0
TS0
RC1
RD1
RS1
TC1
TD1
TS1
PXAS*
PXDS*
PXBLAST*
JTRST*
JTDI
JTMS
JTCLK
LA[19:0]
LD[15:0]
LWR*(LR/W*)
LRD*(LDS*)
LIM
LINT*
LRDY*
LMS
LCS*
LHOLD(LBR*)
LHLDA(LBG*)
LBGACK*
blockdia
LCLK
Pin Names in ( )
are active when
the device is in
the MOT mode
(i.e. LIM = 1)
LBHE*
JTAG
Test
Access
(Sec. 11)
Local
Bus
Block
(Sec. 10)
Layer
One
Block
(Sec. 5)
HDLC
Block
(Sec. 6)
FIFO
Block
(Sec. 7)
DMA
Block
(Sec. 8)
PCI
Block
(Sec. 9)
BERT
(Sec. 5)
Receive Direction
Transmit Direction