HI-6137 datasheet(42/230 Pages) HOLTIC

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HI-6137 Datasheet(PDF) 42 Page - Holt Integrated Circuits

Part #	HI-6137

Description	40 MHz SPI Host Interface

Download	230 Pages

Scroll/Zoom	100%

Manufacturer	HOLTIC [Holt Integrated Circuits]

Direct Link	http://www.holtic.com

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42 / 230 page

HI-6137

HOLT INTEGRATED CIRCUITS

Bit No. Mnemonic

Function

INTBUSY

Report terminal Busy status for RT message interrupts; set WASBUSY flag bit 9 in log

buffer Interrupt Identification Word. See “Interrupt Log Buffer” on page 35.

Setting INTBUSY = 1 causes the WASBUSY status bit 9 to be set in the RT Interrupt

Identification Word (IIW) when an enabled interrupt event occurs with RT Busy status.

Therefore, RT subaddresses or mode codes with enabled message interrupts can

optionally report when Busy status applied during those events. For example, assume the

RT Rx subaddress 1 Interrupt When Accessed event (IWA) is enabled. If RT subaddress 1

sees a legal, valid receive message but the RT is Busy, the IWA and WASBUSY flags are

both set in the Interrupt Log Buffer’s written Interrupt Identification Word. If RT is not Busy,

only the IWA flag is set in the written IIW.

When INTBUSY is reset, terminal Busy status for interrupts is not reported; the WASBUSY

status bit in the logged RT Interrupt Identification Word is always 0.

Note 1: The Interrupt Log Buffer is updated only when enabled interrupt events occur. By

itself, RT Busy status is not an interrupt-causing event.

Note 2: INTBUSY bit 2 does not affect the “Remote Terminal (RT) Pending Interrupt

Interrupt Log Buffer Interrupt Identification Word (IIW) is affected.

Manufacturer	Part #	Datasheet	Description
Holt Integrated Circuit...	HI-6137	5Mb / 230P	Compact Multi-Terminal Device with SPI Host Interface
Holt Integrated Circuit...	HI-6137	5Mb / 230P	Compact Multi-Terminal Device with SPI Host Interface

Manufacturer	Part #	Datasheet	Description
Holt Integrated Circuit...	HI-6138	5Mb / 254P	40 MHz SPI Host Interface
	HI-6135	4Mb / 172P	40 MHz SPI Host Interface
	HI-6136	5Mb / 206P	40 MHz SPI Host Interface
Maxim Integrated Produc...	MAX3421E	371Kb / 32P	USB Peripheral/Host Controller with SPI Interface Rev 3; 7/07
	MAX3421E	260Kb / 28P	USB Peripheral/Host Controller with SPI Interface Rev 4; 7/13
	MAX3421E	290Kb / 28P	USB Peripheral/Host Controller with SPI Interface Rev 4; 7/13
	MAX3421E	359Kb / 29P	USB Peripheral/Host Controller with SPI Interface Rev 0; 2/06
Holt Integrated Circuit...	HI-6135	4Mb / 172P	Compact Remote Terminal with SPI Host Interface
	HI-6137	5Mb / 230P	Compact Multi-Terminal Device with SPI Host Interface
	HI-6138	6Mb / 254P	Compact Multi-Terminal Device with SPI Host Interface

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