SC2000 datasheet(17/44 Pages) PHILIPS

17 / 44 page

2000 Sep 07

Philips Semiconductors

Preliminary speciﬁcation

Universal Timeslot Interchange

SC2000

Figure 2. Microprocessor Interface Timing — Motorola Bus Mode

Table 2. Microprocessor Interface Timing — Motorola Bus Mode

Symbol

Parameter

Min

Typ

Max

Unit

CS* setup to STRB*

↑

CS* hold from STRB*

↑

STRB* pulse width

STRB* hold from CS*

R/W* setup to STRB*

R/W* hold from STRB*

A_[1:0] setup to STRB*

↑

A_[1:0] hold from STRB*

↑

D_[7:0] setup to STRB*

↑

t10

D_[7:0] hold from STRB*

↑

t11

STRB* hold from CS*

t12

R/W*setup to STRB*

t13

R/W*hold from STRB*

t14

D_[7:0] valid delay from CS*

t15

D_[7:0] valid delay from STRB*

t16

D_[7:0] valid delay from A_[1:0]

t17

D_[7:0] float delay from CS *

t18

D_[7:0] float delay from STRB*

Note:

1. Timing measured with 100 pF load on D_[7:0].

t11

t12

t13

t10

t14

t15

t16

t17

t18

CS*

STRB*

R/W*

A_[1:0]

D_[7:0]

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