SERCON410B datasheet(17/34 Pages) STMICROELECTRONICS

部件名	SERCON410B

功能描述	SERCOS INTERFACE CONTROLLER

PDF	34 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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17 / 34 page

Figure 9. Read Access of Control Registers

AC ELECTRICAL CHARACTERISTICS (Continued)

3.4.5 Read Access of Control Registers

Symbol

Parameter

Value

Unit

Min.

Type

Max.

tASU

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

DMAACKNR, WRN (only Motorola mode) to

falling edge RDN (Intel or Motorola mode

with low active strobe) or rising edge RDN

(Motorola mode with high active strobe)

0ns

tAHD

Hold time A10-0, BHEN, MCSN0-1, WRN

(only Motorola mode) to rising edge RDN

(Intel Motorola mode with low active strobe)

or falling edge RDN (Motorola mode with high

active strobe)

0ns

tPAD

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

DMAACKNR, WRN (only Motorola mode) to

D15-0 valid

tPRDD

Access time RDN to D15-0 valid

tRDZ

Delay RDN to D15-0 high-Z

tPRQ

Delay RDN to DMAREQR low

SERCON410B

13/30

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