GL843 datasheet(16/84 Pages) GENESYS

16 / 84 page

GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x

Page 16

Pin Name

Type

Description

RPU

3.3V Pull up control for DPF

DPF

I/O

Positive USB differential data (Full Speed)

DPH

I/O

Positive USB differential data (High Speed)

DMF

I/O

Negative USB Differential Data (Full Speed)

DMH

I/O

Negative USB Differential Data (High Speed)

RREF

510 Ω reference resistor input

Pin Name

Type

Description

AVDD, AVCC1

Analog power input for USB2.0 transceiver 3.3V

AGND, AGND1

Analog ground input for USB2.0 transceiver

DVCC0, DVCC1

Digital power input for USB2.0 controller 3.3V

DGND0, DGND1

Digital ground input for USB2.0 controller.

VccCore1~4

Digital power input for scanner controller logic core 3.3V

GndCore1~4,

GndIO1~5

Digital ground input for scanner controller.

VccIO1~2

For Pin7~Pin48 3.3V

VccIO3

For Pin49~Pin66 3.3V

VccIO4

For Pin67~Pin83 3.3V

VccIO5

For Pin84~Pin117 3.3V

GND

Ground

Notation:

Type

Output

Input

Bi-directional

B/I

Bi-directional, default input

B/O

Bi-directional, default output

Power / Ground

Analog

Automatic output low when suspend

Internal pull up

Internal pull down

odpu

Open drain with internal pull up

odpu

Open drain with internal pull up

GL843 Datasheet(PDF) 16 Page - GENESYS LOGIC

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