GR712RC datasheet(32/48 Pages) AEROFLEX

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AEROFLEX GAISLER

GR712RC-DS

February 2013, Issue 2.0

2.4.12 Obsolete

Proprietary function not supported.

2.4.13 MIL-STD-1553B BC/RT/BM

The timing waveforms and timing parameters are shown in ﬁgure 17 and are deﬁned in table 24.

Table 24. Timing parameters (VDD = 1.8 V +/- 0.15 V, VDDIO = 3.3 V +/- 0.3 V, Tcase = -55˚C to +125˚C)

Name

Parameter

Reference edge

Min

Max

Unit

t1553BRM0

clock to data output delay

rising 1553CK edge

2 1)

21 1)

t1553BRM1

data input to clock setup

rising 1553CK edge

ns 2)

t1553BRM2

data input from clock hold

rising 1553CK edge

ns 2)

t1553BRM3

clock frequency

1553CK

16, 20, 24

MHz 3)

Note 1:

Parameter not measured during production test.

Note 2:

The 1553RXA, 1553RXAN, 1553RXB and 1553RXBN inputs are re-synchronized internally.

Note 3:

The core frequency must be lower than the internal system frequency: t1553BRM3 < FCLK

Figure 17. Timing waveforms

t1553BRM0

1553TXA/TXAN

1553CK

1553RXA/RXAN

t1553BRM2

t1553BRM1

1553RXB/RXBN

1553TXB/TXBN

1553TXINHA, 1553TXINHB

1553RXENA, 1553RXENB

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