參數(shù)資料
型號: BU-61705F4-202
廠商: DATA DEVICE CORP
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), MIL-STD-1553 CONTROLLER, CQFP72
封裝: 1 X 1 INCH, 0.155 INCH HEIGHT, CERAMIC, FP-72
文件頁數(shù): 1/52頁
文件大小: 359K
代理商: BU-61705F4-202
BU-61703/61705
SIMPLE SYSTEM RT (SSRT)
COMMAND
ADDRESS
BUS
RT
MESSAGE
STATUS
RT
WORD
INPUTS
DATA
TRANSFER
CONTROL
DMA
HANDSAKE
CONTROL
DMA
HANDSAKE
AND
TRANDFER
CONTROL
LOGIC
SYSTEM
DATA
BUFFERS
DTREQ
D15-D0
DTGRT
DTACK
HS FAIL
MEMOE
MEMWR
L_BRO, T/R, SA4-SA0
WC/MC/CWC4-0
ILLEGAL
SRV_RQST
SSFLAG
BUSY
RTACTIVE
INCMD
RTAD4-RTAD0
RT_AD_LAT
RT_AD_ERR
GBR
CLK_IN
CLK_SEL1
CLK_SEL0
MSG_ERR
RTFAIL
DUAL
ENCODER
DECODER
AND
RT STATE
LOGIC
BRO_ENA
AUTO_CFG
MSTCLR
CONTROL
INPUTS
RT
ADDRESS
CLOCK
FEQUENCEY
SELECTION
55
55
55
55
TX/RX A
TX/RX B
TRANSCEIVER
A
TRANSCEIVER
B
B-3226
B-3227
B-3226
B-3227
TX_INH
BUS A
BUS B
TRANSMITTER
INHIBIT
RTADP
2000 Data Device Corporation
FIGURE 1. BU-61703/5 BLOCK DIAGRAM
FEATURES
Complete Integrated Remote
Terminal Including:
Dual Low-Power 5V Only Transceiver
Complete RT Protocol Logic
Supports MIL-STD-1553A/B Notice 2,
STANAG-3838 RT, and
MIL-STD-1760 Stores Management
1.0 X 1.0 Inch, 72-pin Package
Choice of 5V or 3.3V Logic Power
Meets 1553A/McAir Response Time
Requirements
Internal FIFO for Burst Mode
Capability on Receive Data
16-bit DMA Interface
Auto Configuration Capability
Comprehensive Built-in Self-test
Direct Interface to Simple
(Processorless) Systems
Selectable Input Clock:
10, 12, 16, or 20 MHz
DESCRIPTION
The BU-61703/5 Simple System RT
(SSRT) MIL-STD-1553 terminals provide
a complete interface between a simple
system and a MIL-STD-1553 bus. These
terminals integrate dual transceiver,
protocol logic, and a FIFO memory for
received messages in a 1.0 inch square
ceramic package. The SSRT provides
multi-protocol support of MIL-STD-
1553A/B, MIL-STD-1760, McAir, and
STANAG-3838.
The SSRT's transceivers are completely
monolithic, require only a +5V supply, and
consume low power. There are versions
of the simple system RT available with
transceivers trimmed for MIL-STD-1760
compliance, or compatible to McAir stan-
dards. As a means of further reducing
power consumption, the SSRT is avail-
able in versions with its logic powered by
+3.3V, or +5V. The SSRT can operate
with a choice of clock frequencies of 10,
12, 16, or 20 MHz.
The SSRT is ideal for stores and other
simple systems that do not require a
microprocessor. To streamline the inter-
face to simple systems, the SSRT
includes an internal 32-word FIFO for
received data words. This serves to
ensure that only complete, consistent
blocks of validated data words are trans-
ferred to a system.
The SSRT incorporates a built-in self-test
(BIT).This BIT, which is processed follow-
ing power turn-on or after receipt of an
Initiate self-test mode command, pro-
vides a comprehensive test of the SSRT's
encoders, decoders, protocol, transmitter
watchdog timer, and protocol. The result
of the built-in test may be conveyed to the
bus controller by means of the SSRT's
Terminal Flag bit and/or its RT BIT word.
The SSRT includes an auto-configuration
feature. This may be used to enable the
SSRT to run (or not run) its BIT at power
turn-on, to select between MIL-STD-
1553A or -1553B protocol, to transfer
received data words to a system either
individually or by means of a burst trans-
fer, to implement wraparound for subad-
dress 30 (per MIL-STD-1553B Notice 2),
along with options involving the reporting
of self-test failures and loopback errors.
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