AM7968-125JC datasheet(23/127 Pages) AMD

23 / 127 page

AMD

Am7968/Am7969

Notes:

1. DMS = GND = 8 Bit Mode

TLS = GND = Local Mode

Pin 11 = Don’t Connect = Local Mode

2. DMS = VCC = 9 Bit Mode

TLS = GND = Local Mode

Pin 11 = Don’t Connect = Local Mode

3. Two 8-bit local mode systems in parallel will result in an effective data rate of 200 Mbps.

4. Use inverter for operation above 140 MHz only.

*Alternatively, the X1 inputs may be driven by external TTL frequency sources.

Figure 3. TAXIchip System in Local Mode

(Note 1)

SEROUT+

SEROUT–

STRB

ACK

CLK

TAXI TX #1

TLS

DMS

Message Transfer Control Logic

Data

Source

Command

Source

3.3 MHz to

17.5 MHz

3.3 MHz to

17.5 MHz

DMS

CLOCK

SERIN+ SERIN–

CNB

DSTRB

IGM

VLTN

CSTRB

TAXI RX #1

DO0– DO7

CO0 – CO3

Data

Destination

Command

Destination

Data Path Control Logic

Message Transfer Control Logic

Command

Source

Data

Source

SEROUT+

SEROUT–

STRB

ACK

CLK

TLS

DMS

TAXI TX #2

To Other Stages

SERIN+ SERIN–

DMS

CLOCK

3.3 MHz to

17.5 MHz

IGM

VLTN

CNB

DSTRB

DO0 – DO8

CO0 – CO2

CSTRB

Data

Destination

Command

Destination

Data Path Control Logic

TAXI RX #2

(Note 4)

(Note 1)

(Note 2)

(Note 4)

07370F-12

DI0 – DI7

CI0 – CI3

DI0 – DI8

CI0 – CI2

AM7968-125JC Datenblatt(PDF) 23 Page - Advanced Micro Devices

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