MA28139 Datasheet, PDF (28/34 Pages) Dynex Semiconductor – OBDH Bus Terminal

MA28139
HARDWIRED
CONTROL PINS
RT ADDRESS
6 BIT RT ADDRESS
4 BIT ML ADDRESS
5 BIT ML ADDRESS
INHIBIT MOLC COMMANDS
BUS CONTROLLER OUTPUT
LOCAL OSCILLATOR
I-BUS
R/I-BUS
OBDH
R-BUS
BT-BUS
BT-BUS
DRIVE BOTH OBDH BUSSES
CT MODE
OBT
TA (0:5)
EXTFMT
EXTMLA1
EXTMLA2
OOINH
DATARRT
ENRRT
LOSC
NIDS1n
NIDS2n
RIDS1n
RIDS2n
RR1n
RR2
RR3n
RR4
NRE
RRE
MLDATA
MLADD (0:4)
IRCLK
CTCLK
TRCLK
CHADD (0:7)
MOSC
MOLC
MOHL
MOBT
MODBL
MODS16
MODS8
MOANS
MOAND
PC
ANCLK
SOC
SH
DIGIN
ANSIN
TAV
BCP (1:4)
BCP VAL
TIMEOUT n
RIRSYNC
RIRCLK
RIRDATA
RIRVAL
RRTDATA
RRTEN
CITSYNC
CITINV
CITMOD
CITCLK
CITSEL
NRDS1n
NRDS2n
RRDS1n
RRDS2n
BR1n
BR2
BR3n
BR4
NBE
RBE
RRRCLK
RRRDATA
RRRVAL
RRRINIT
RBTDATA
RBTEN
NBDS1n
NBDS2n
RBDS1n
RBDS2n
SIMUL
CTpRTn
RBRCLK
RBRDATA
RBRVAL
RBRINIT
MRSTn
DATA TO USER
CLOCKS TO USER
MODE ADDRESS TO USER
IUB COMMAND TYPE
ADC CONTROL
IUB DATA
ADC DATA
USER READY/INHIBIT RESPONSE
BROADCAST TIMING
I-BUS TIMED OUT
DIGITAL BUS INTERFACE
RT USER
RESET
Figure 21: OBT Schematic
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