SERCON410B datasheet(19/34 Pages) STMICROELECTRONICS

No de pièce	SERCON410B

Description	SERCOS INTERFACE CONTROLLER

PDF	34 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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19 / 34 page

Figure 11. Write Access to Control Registers

AC ELECTRICAL CHARACTERISTICS (Continued)

Symbol

Parameter

Value

Unit

Min.

Type

Max.

tASU

Setup time A6-0, BHEN, PCSN0, PCS1,

DMAACKNT, WRN (only Motorola mode) to

falling edge WRN (Intel mode) or RDN

(Motorola mode, strobe active low) or rising

edge RDN (Motorola mode, strobe active

high)

0ns

tAHD

Hold time A6-0, BHEN, PCSN0, PCS1,

DMAACKNT, WRN (only Motorola mode) to

rising edge WRN (Intel mode) or RDN

(Motorola mode, strobeactive low) or falling

edge RDN (Motorola mode, strobe active

high)

0ns

tPWRW

Pulse width WRN (Intel mode) or RDN

(Motorola mode)

tDSU

Setup time D15-0 to end of write access

tDHD

Hold time D15-0 to end of write access

tPRQ

Delay WRN or RDN to DMAREQT low

3.4.7 Write Access to Control Registers

SERCON410B

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