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PixArt Imaging Inc.

PAC7640 Product Datasheet

Enhanced QE Global Shutter Image Sensor

Version 1.1 | 11 Sep 2015 | 41002EN

PixArt Imaging Inc. http://www.pixart.com

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Table 1. PAC7640LT Pin Description (Cont’d)

Pin No.

Symbol

Type

Description

Function

System Interface

A5

SYS_CLK

Input

System clock input.

Function

Control Interface

B6

I2C_SCL

Input

C6

I2C_SDA

BiDir

Function

Data Interface

F2

CLK_TX_P

Output

MIPI CSI-2 transmitter clock lane.

MIPI D-PHY physical layer.

F3

CLK_TX_N

Output

F4

DATA_TX_P

Output

MIPI CSI-2 transmitter data lane.

MIPI D-PHY physical layer.

F5

DATA_TX_N

Output

Function

Functional I/O

A4

FOD_TRI

Input

Functional at FOD mode, a high pulse to trigger sending a number of frames.

Default state: Hi-Z.

B3

RESETB

Input

Chip reset, active low.

Default state: input with internal 100k ohm pull up.

B4

FSYNC

BiDir

Frame synchronization function.

Master: output a high pulse at the end of sensor exposure.

Slave: input, detect a high pulse to synchronize frame, will enter readout state

immediately.

Default state: Hi-Z.

D6

LED_STRB

Output

LED switch control, active high. Connect to a NMOS switch.

Default state: output.

C4

TEST1

Output

For test mode Description.

Default state: Hi-Z.

C5

TEST2

Output

Function

Reserved I/O

B5

RSV

-

Reserved. Default state: input with internal 100k ohm pull down.

C1

Reserved. Default state: Hi-Z.

D1

D3

D4

D5

E1

E6

F1

Note: The default state is after applying initialization setting in PAC7640_initial.asc.