ADLINK Technology cPCI-9116 Guia do Utilizador descarregar pdf (Página 37)

Registers • 27

4.8 A/D & FIFO Status Register

Address: BASE + 28

Attribute: read

Data Format:

Bit 7 6 5 4 3 2 1 0

ACQ Full HFull Empty Trg_det SC_TC ADOR ADOS

Bit 15 14 13 12 11 10 9 8

--- --- --- --- --- --- --- ---

Bit 23 22 21 20 19 18 17 16

--- --- --- --- --- --- --- ---

Bit 31 30 29 28 27 26 25 24

--- --- --- --- --- --- --- ---

Table 11. A/D & FIFO Status Register

ACQ (Bit7): Read Only, set when acquisition is in progress.

Full (Bit6): Read Only A/D FIFO Full status (Fatal Error!)

0: FIFO Full

1: FIFO not Full

HFull(Bit5): Read only A/D FIFO Half Full status

0: FIFO Half Full

1: FIFO not Half Full

Empty (Bit4): Read Only A/D FIFO Empty status

0: FIFO Empty

1: FIFO not Empty

Trg_det (Bit3): Read/ Write 1 to clear External Digital Trigger Status

1: External Digital Trigger

0: No External Digital Trigger

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 66 67

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ADLINK Technology cPCI-9116 Guia do Utilizador Página 37