DS31256 Maxim Integrated Products, DS31256 Datasheet - Page 10

• Manufacturer Part Number: DS31256
• Description: IC CTRLR HDLC 256-CHANNEL 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS31256

• Controller Type: HDLC Controller
• Interface: Serial
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 500mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 2-1. Block Diagram
JTRST
JTDI
JTMS
JTCLK
JTDO
RC15
RD15
RS15
TC15
TD15
TS15
RC0
RD0
RS0
TC0
TD0
TS0
RC1
RD1
RS1
TC1
TD1
TS1
RC2
RD2
RS2
TC2
TD2
TS2
JTAG
Test
Access
(Sec. 12)
Layer
One
Block
(Sec. 6)
(
Sec
HDLC
Block
(Sec. 7)
BERT
.
6.5)
TRANSMIT DIRECTION
RECEIVE DIRECTION
(Sec. 8)
Dallas Semiconductor
FIFO
Block
10 of 183
DS31256
DMA
Block
(Sec. 9)
(Sec. 11)
(Sec. 10)
Local
Bus
Block
PCI
Block
Pin Names in ( )
are active when
the device is in
the MOT mode
(i.e., LIM = 1)
PCLK
PRST
PAD[31:0]
PCBE[3:0]
PPAR
PFRAME
PIRDY
PTRDY
PSTOP
PIDSEL
PDEVSEL
PREQ
PGNT
PPERR
PSERR
PXAS
PXDS
PXBLAST
LA[19:0]
LD[15:0]
LWR (LR/W)
LRD (LDS)
LIM
LINT
LRDY
LMS
LCS
LHOLD (LBR)
LHLDA (LBG)
LBGACK
LCLK
LBHE