UT1553B/BCRTMP-WPA 데이터 시트보기 (PDF) - Aeroflex UTMC
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UT1553B/BCRTMP-WPA Datasheet PDF : 78 Pages
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STATUS SIGNALS
NAME
STDINTL
PIN NUMBER
F/P
PGA
82
C13
TYPE
TTO
ACTIVE
DESCRIPTION
ZL
Standard Interrupt Level. This is a level interrupt. It is
asserted when one or more events enabled in either the
Standard Interrupt Enable Register, RT Descriptor, or BC
Command Block occur. Resetting the Standard Interrupt
bit in the High-Priority Interrupt Status/Reset Register
clears the interrupt.
STDINTP
HPINT
83
B14 TO
AL
Standard Interrupt Pulse. STDINTP pulses when an
interrupt is logged.
84
B13 TTO
ZL
High Priority Interrupt. The High-Priority Interrupt level
is asserted upon occurance of events enabled in the High
Priority Interrupt Enable Register. The corresponding
bit(s) in the High-Priority Interrupt Status/Reset Register
reset HPINT.
TIMRONA
85
B12 TO
AL
Timer On - Channel A. When low, this pin indicates that
the BCRTMP is transmitting data. This output remains
active until the data transmission is complete or until the
internal fail-safe timer times out (at 660µs), indicating that
the transceiver should be disabled.
TIMRONB
86
C11 TO
AL
Timer On - Channel B. See TIMRONA description.
ACTIVE
81
D13 TO
AH
Activity on 1553 Bus. When high, this pin indicates
that the BCRTMP has detected a valid command to any
remote terminal address on the bus.
COMSTR
(RT) Command Strobe. The BCRTMP asserts this
90
C10 TO
AL
signal after receiving a valid command. The BCRTMP
deactivates it after servicing the command.
SSYSF
BCRTF
CHA/B
TEST
128
G1
TI
129
H2
TO
89
A12 TO
59
J14
TO
AH
Subsystem Fail. Upon receipt, this signal propagates
directly to the RT 1553 status word and the BCRTMP
Status Register.
AH
BCRT Fail. this indicates a Built-In-Test (BIT) failure.
In the RT mode, the Terminal Flag bit in 1553 status word
is also set.
--
ChannelA/B. This indicates the active or last active
channel.
AL
TEST. This pin is used as a factory test pin. (Formerly
MEMWIN.)
BCRTMP-9
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