MN85571AC

10

SDD00023AEM

s Interfaces

1. Host interface

Accesses to this product’s internal resources from an external host take place using the host interface block (HIF).

There are two techniques for accessing resources over the host interface as follows.

1) Direct addressing access

2) Indirect addressing access

1) Direct addressing access

[Read]

• Timing chart

• AC Characteristics

HA[3:0]

Valid Data

Valid Data

NHCS

NHRE

HD[15:0]

NHWE

"Hi-Z"

"H"

"Hi-Z"

Item

Symbol

Min

Typ

Max

Unit

Read cycle time

200



ns

HA[3:0] setup time from the NHCS falling edge

0



ns

HA[3:0] setup time from the NHRE falling edge

0



ns

HD[15:0] bus drive start time from the NHCS falling edge



2ns

HD[15:0] bus drive start time from the NHRE falling edge



2ns

HD[15:0] valid data output time from the NHCS falling edge



135

ns

HD[15:0] valid data output time from the NHRE falling edge



135

ns

HA[3:0] hold time from the NHCS rising edge

40



ns

HA[3:0] hold time from the NHRE rising edge

40



ns

HD[15:0] valid data hold time from the NHCS rising edge

2



ns

HD[15:0] valid data hold time from the NHRE rising edge

2



ns