TI380C25 Datasheet, PDF (4/71 Pages) Texas Instruments – TOKEN-RING COMMPROCESSOR

TI380C25
TOKEN-RING COMMPROCESSOR
SPWS012 – JANUARY 1995
functional block diagram
SADH0
SADH7
SADL0
SADL7
SPH
SPL
SBRLS
SINTR / SIRQ
SDDIR
SDBEN
SALE
SXAL
SOWN
SIACK
SBCLK
SRD / SUDS
SWR / SLDS
SRDY / SDTACK
SI / M
SHLDA / SBGR
SBHE / SRNW
SRAS / SAS
S8 / SHALT
SRESET
SRS0
SRS1
SRS2 / SBERR
SCS
SRSX
SHRQ / SBRQ
SBBSY
BTSTRP
PRTYEN
NSELOUT0
NSELOUT1
System
Interface
(SIF)
• DIO Control
• Bus Control
• DMA Control
Memory
Interface
(MIF)
• DRAM Refresh
• Local-Bus
Arbitrator
• Local-Bus
Control
• Local
Parity-Check /
Generator
Clock
Generator
(CG)
Communications
Processor
Adapter-
Support
Function
(ASF)
• Interrupts
• Test Function
RCLK
REDY
WFLT
RCVR
PXTALIN
Token-Ring
Protocol Handler (PH)
MADH0
MADH7
MADL0
MADL7
MRAS
MCAS
MAXPH
MAXPL
MW
MOE
MDDIR
MAL
MAX0
MAX2
MRESET
MROMEN
MBEN
MBRQ
MBGR
MACS
MBIAEN
MREF
OSCIN
OSCOUT
MBCLK1
MBCLK2
SYNCIN
CLKDIV
NMI
EXTINT0
EXTINT3
TEST0
TEST5
XMATCH
XFAIL
FRAQ
NSRT
WRAP
DRVR
DRVR
4
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