Acromag PMC440 Series Скачать руководство пользователя страница 20 | Manualshive

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Содержание PMC440 Series

Страница 1: ...th Interrupts USER S MANUAL ACROMAG INCORPORATED 30765 South Wixom Road P O BOX 437 Wixom MI 48393 7037 U S A Tel 248 624 1541 Fax 248 624 9234 Copyright 2000 Acromag Inc Printed in the USA Data and s...

Страница 2: ...his is especially important where economic property loss or human life is involved It is important that the user employ satisfactory overall system design It is agreed between the Buyer and Acromag th...

Страница 3: ...reads writes of registers and the writing of interrupt handlers all the complicated details of programming are handled by the ActiveX controls These functions consist of an ActiveX control for each A...

Страница 4: ...of this device are bipolar and may be connected in any direction with respect to the port common Further do not confuse port commons with signal ground Refer to Drawing 4501 869 for example input con...

Страница 5: ...software accesses the configuration registers to determine how many blocks of memory space the carrier requires It then programs the PMC module s configuration registers with the unique memory addres...

Страница 6: ...pts Data is read from or written to one of eight groups ports as designated by the address and read and write signals A Mask Register is used to disable writes to input ports since this model is inten...

Страница 7: ...Driven1 WRITE Port 5 NOT USED 214 219 Not Driven1 READ Port 6 Event Status for Ports 0 3 and Interrupt Status Reg 218 219 Not Driven1 WRITE Port 6 Event Polarity Control Register for Port 0 3 218 21D...

Страница 8: ...ite Mask Port 1 Write Mask 2 Port 2 Write Mask Port 2 Write Mask 3 Port 3 Write Mask Port 3 Write Mask 4 7 NOT USED NOT USED Bits 4 7 of this register are not used On power up reset this register defa...

Страница 9: ...0 Interrupt Status IN00 IN07 1 Port 1 Interrupt Status IN08 IN15 2 Port 2 Interrupt Status IN16 IN23 3 Port 3 Interrupt Status IN24 IN31 4 6 NOT USED 7 Interrupt Status Flag Event Polarity Control Reg...

Страница 10: ...alue then the debounce source clock is disabled If bit 0 is set to 1 then the 8MHz internal system clock is enabled This bit must be programmed to 1 to use debounce Bits 1 7 of this register are not u...

Страница 11: ...ow level or low to high level transitions on the input lines at the range thresholds of 4V 1 units 16V 2 units and 38V 3 units Event polarities may be defined as positive or negative for individual ni...

Страница 12: ...3CH is cleared following a power up or bus initiated software reset Also bit 0 of the Interrupt Register at Base Address 000H is not affected by a software reset Keep this in mind when you wish to pre...

Страница 13: ...if the event sense detection circuitry has been enabled and IER bit 0 1 To enable further interrupts to occur for an event that has already occurred for an I O point the Event Sense Status Register mu...

Страница 14: ...at a non functioning board be returned to Acromag for repair The board can be easily damaged unless special SMT repair and service tools are used Further Acromag has automated test equipment that thor...

Страница 15: ...ysteresis 80mV Typical Input Capacitance 45pF Typical Turn On Time Measured to the point of positive event interrupt detection INTA pulled low 15us Typical 25 C for a 0 to threshold value input step T...

Страница 16: ...AWG on 0 050 inch centers permits mass termination for IDC connectors foil braided shield inside a PVC jacket Connectors One End SCSI 2 50 pin male connector with backshell and spring latch hardware...

Страница 17: ...SERIES PMC440 PCI MEZZANINE CARD 32 CHANNEL ISOLATED DIGITAL INPUT MODULE ___________________________________________________________________________________________ 17...

Страница 18: ...SERIES PMC440 PCI MEZZANINE CARD 32 CHANNEL ISOLATED DIGITAL INPUT MODULE ___________________________________________________________________________________________ 18...

Страница 19: ...SERIES PMC440 PCI MEZZANINE CARD 32 CHANNEL ISOLATED DIGITAL INPUT MODULE ___________________________________________________________________________________________ 19...

Страница 20: ...SERIES PMC440 PCI MEZZANINE CARD 32 CHANNEL ISOLATED DIGITAL INPUT MODULE ___________________________________________________________________________________________ 20...

Страница 21: ...SERIES PMC440 PCI MEZZANINE CARD 32 CHANNEL ISOLATED DIGITAL INPUT MODULE ___________________________________________________________________________________________ 21...

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