35

POWER_UP_RESET

Address: 0x3a

Access: Write

Reset Value: NA

Bit

76543210

Field

Data Type

: 8-bit integer

USAGE: Write 0x5a to this register to reset the chip. All settings will revert to default values. Reset is required after re-

covering from shutdown mode.

H_RESOLUTION

Address: 0x36

Access: Read/Write

Reset Value: 0x04

Bit

76543210

Field

Reserved

Reserved

Reserved

H_RES_EN

H_RES2

H_RES1

H_RES0

0

Data Type

: Bit field

USAGE : This register is used to set the resolution configuration of sensor up to 2000cpi. For resolution setting at

1600cpi and below, configuration via Configuration_Bits register, 0x12 is still effective when H_RES_EN bit is set to

zero.

Field Name

Description

H_RES_EN

0 = Resolution setting will follow the value as per configuration in Configuration_Bits register, 0x12

1 = Enabled high resolution up to 2000cpi. Resolution setting will follow the configuration

as per H_RES2-0 bits in this register and setting in register 0x12 will be ignored.

H_RES2-0

Resolution in count per inch (cpi)

001 = 400

010 = 800

011 = 1200

100 = 1600

101 = 2000

Bit-0

Must be zero value

SHUTDOWN

Address: 0x3b

Access: Write Only

Reset Value: NA

Bit

76543210

Field

Data Type: 8-bit integer

USAGE: Write 0xe7 to set the chip to shutdown mode, use POWER_UP_RESET register (address 0x3a) to power up the

chip.

Reserved

Address: 0x3c

PixArt Imaging Inc.

ADNS-7530 Integrated Molded Lead-Frame DIP Sensor

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PixArt Imaging Inc.