GL830 datasheet(20/29 Pages) GENESYS

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GL830 USB2.0 to SATA Bridge Controller

Page 20

Miscellaneous Interface

Pin Name

Pin#

Type

Description

TEST

I (pd) Test Mode Input

Crystal Output

Crystal Input

HRST_

I (pu) Reset Pin

MODE0,1

19,49

(pd)

Mode Select

00=> USB to SATA; 10=> eSATA to SATA;

01=> USB to PATA; 11=> SATA to PATA

When MODE0,1=11, PIO1=0 is device mode.

When MODE0,1=11, PIO1=1 is host mode.

GPIO0~4

1,61,55,2,

(pu)

General Purpose I/O #0~#4

PIO0~4

33,34,57,

4,3

(pd)

Programmable I/O #0~#4

TXD

(pu)

8051 UART TXD

RXD

(pu)

8051 UART RXD

SPDSEL

128

(pd)

0 => force in 1.5G; 1 => negotiate interface speed with attached

device (1.5G or 3G)

PHYRDY

SATA PHY ready

T_ROM

I (pd) 0 => Internal ROM; 1 => External ROM

ROM_A0~14

35,31,27,

15,11,5,

125,123,

122,124,

126,7,13,

22,29

ROM Address #0~#14

ROM_D0~7

37,41,45,

82,84,53,

43,39

(pd)

ROM Data #0~#7

80,97,98,

99,100,

101,102,

103

No connection

Notation:

Type

Output

Input

Bi-directional

B/I

Bi-directional, default input

B/O

Bi-directional, default output

Power / Ground

Analog

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