NSAM266SA Datasheet, PDF(16/52 Page) National Semiconductor (TI) – NSAM266SA CompactSPEECHTM Digital Speech Processor with Serial Flash Interface

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NSAM266SA Datasheet, PDF (16/52 Pages) National Semiconductor (TI) – NSAM266SA CompactSPEECHTM Digital Speech Processor with Serial Flash Interface

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1 0 Hardware (Continued)

INPUT SIGNALS

Symbol

Figure

Description

tCDIh

tCDIs

tDIh

tDIs

tMMDINh

tMMDINs

tMWCKh

tMWCKI

tMWCKp

tMWCLKh

tMWCLKs

tMWCSh

tMWCSs

tMWDIh

tMWDIs

tPWR

tRSTw

tXh

tXI

tXp

1-15

1-17

1-20

1-18

1-24

1-23

1-22

CDIN Hold

CDIN Setup

Data in Hold (D0 7)

Data in Setup (D0 7)

Master MICROWIRE Data In Hold

Master MICROWIRE Data In Setup

MICROWIRE Clock High (Slave)

MICROWIRE Clock Low (Slave)

MICROWIRE Clock Period (Slave) (Note A)

MWCLK Hold

MWCLK Setup

MWCS Hold

MWCS Setup

MWDIN Hold

MWDIN Setup

Power Stable to RESET R E (Note B)

RESET Pulse Width

CLKIN High

CLKIN Low

CLKIN Clock Period

Note A Guaranteed by design but not fully tested in power-down mode

Note B Guaranteed by design but not fully tested

Reference Conditions

After R E CTTL

Before R E CTTL

After R E CTTL T1 T3 or TI

Before R E CTTL T1 T3 or TI

After R E CTTL

Before R E CTTL

At 2 0V (Both Edges)

At 0 8V (Both Edges)

R E MWCLK to next R E MWCLK

After MWCS becomes Inactive

Before MWCS becomes Active

After F E MWCLK

Before R E MWCLK

After R E MWCLK

Before R E MWCLK

After VCC reaches 4 5V

At 0 8V (Both Edges)

At 2 0V (Both Edges)

At 0 8V (Both Edges)

R E CLKIN to next R E CLKIN

Min (ns)

11 0

15 0

11 0

100 0

2 5 ms

50 0

100 0

50 0

100 0

50 0

100 0

30 0 ms

10 0 ms

tX1p 2 b 5

24 4

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