PI3TB212 datasheet(3/11 Pages) PERICOM

3 / 11 page

03/12/13

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PI3TB212

10.3Gbps Thunderbolt™ and DisplayPort™ Switch

Description of Operation

Truth Table

Device States

Control Pins

Device and PU/PD Configurations

10G_EN

DP_EN#

TBC-4

2:1 Mux

3:1 Mux

LSRx, HPD_Out,

& CA_DET_Out

buffers

R1, R2 status

Thunderbolt 10G mode

1 (System Active)

0 (System Sleep)

LSTx & LSRx

TB Rx_1

Hi-z

All buffers on

R1 = R2 = OFF

DisplayPort Mode

1 (System Active)

0 (System Sleep)

DP ML1 (p, n)

Hi-Z

AUX

Hi-z

All buffers on

R1 = R2 = ON

TMDS Mode

1 (System Active)

0 (System Sleep)

DP ML1 (p, n)

Hi-Z

DDC

Hi-z

All buffers on

R1 = R2 = ON

Detect Mode

X - don't care

LSTx & LSRx

Hi-z

All buffers on

R1 = R2 = ON

Chip Disable mode

X - don't care

hi-z

All buffers on

R1 = ON, R2 = ON

Power off (VDD = 0V)

X - don't care

hi-z

All buffers oFF

R1 = OFF, R2 = ON

ThunderBolt Connector Pins

Controller Pin Names

TBC-16

DDC_SCL or AUX(p) or TB RX_1 (p)

TBC-18

DDC_SDA or AUX(n) or TB Rx_1 (n)

TBC-9

ML1 (p) or LSTx

TBC-11

ML1 (n) or LSRx

TBC-4

CA_DET_Out

TBC-2

HPD_Out

13-0026

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