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Table 29, Adsp-ts201s – Analog Devices TigerSHARC ADSP-TS201S User Manual

Page 28

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Rev. C

|

Page 28 of 48

|

December 2006

ADSP-TS201S

Table 29. AC Signal Specifications

(All values in this table are in nanoseconds.)

Name

Description

In

put S

e

tu

p

(M

in

)

In

put Hold

(M

in

)

Ou

tp

u

t V

a

li

d

(M

a

x

)

Ou

tp

u

t H

o

ld

(M

in

)

Ou

tp

u

t En

ab

le

(M

in

)

1

Ou

tpu

t Di

sab

le

(M

a

x

)

1

Re

fe

re

nce

Cl

ock

ADDR31–0

External Address Bus

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

DATA63–0

External Data Bus

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

MSH

Memory Select HOST Line

4.0

1.0

1.15

2.0

SCLK

MSSD3–0

Memory Select SDRAM Lines

1.5

0.5

4.0

1.0

1.0

2.0

SCLK

MS1–0

Memory Select for Static Blocks

4.0

1.0

1.15

2.0

SCLK

RD

Memory Read

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

WRL

Write Low Word

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

WRH

Write High Word

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

ACK

Acknowledge for Data High to Low

1.5

0.5

3.6

1.0

1.15

2.0

SCLK

Acknowledge for Data Low to High

1.5

0.5

4.2

0.9

1.15

2.0

SCLK

SDCKE

SDRAM Clock Enable

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

RAS

Row Address Select

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

CAS

Column Address Select

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

SDWE

SDRAM Write Enable

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

LDQM

Low Word SDRAM Data Mask

4.0

1.0

1.15

2.0

SCLK

HDQM

High Word SDRAM Data Mask

4.0

1.0

1.15

2.0

SCLK

SDA10

SDRAM ADDR10

4.0

1.0

1.15

2.0

SCLK

HBR

Host Bus Request

1.5

0.5

SCLK

HBG

Host Bus Grant

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

BOFF

Back Off Request

1.5

0.5

SCLK

BUSLOCK

Bus Lock

4.0

1.0

1.15

2.0

SCLK

BRST

Burst Pin

1.5

0.5

4.0

1.0

1.15

2.0

SCLK

BR7–0

Multiprocessing Bus Request Pins

1.5

0.5

4.0

1.0

SCLK

BM

Bus Master Debug Aid Only

4.0

1.0

SCLK

IORD

I/O Read Pin

4.0

1.0

1.0

2.0

SCLK

IOWR

I/O Write Pin

4.0

1.0

1.15

2.0

SCLK

IOEN

I/O Enable Pin

4.0

1.0

1.15

2.0

SCLK

CPA

Core Priority Access High to Low

1.5

0.5

4.0

1.0

0.75

2.0

SCLK

Core Priority Access Low to High

1.5

0.5

29.5

2.0

0.75

2.0

SCLK

DPA

DMA Priority Access High to Low

1.5

0.5

4.0

1.0

0.75

2.0

SCLK

DMA Priority Access Low to High

1.5

0.5

29.5

2.0

0.75

2.0

SCLK

BMS

Boot Memory Select

4.0

1.0

1.15

2.0

SCLK

FLAG3–0

2

FLAG Pins

4.0

1.0

1.15

2.0

SCLK

RST_IN

3,

4

Global Reset Pin

1.5

2.5

SCLK

5

TMS

Test Mode Select (JTAG)

1.5

0.5

TCK

TDI

Test Data Input (JTAG)

1.5

0.5

TCK

TDO

Test Data Output (JTAG)

4.0

1.0

0.75

2.0

TCK

6

TRST

3,

4

Test Reset (JTAG)

1.5

0.5

TCK

EMU

7

Emulation High to Low

5.5

2.0

1.15

4.0

TCK or SCLK

ID2–0

8

Static Pins—Must Be Constant

CONTROLIMP1–0

8

Static Pins—Must Be Constant