gl846 Genesys Logic, gl846 Datasheet - Page 18

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gl846

Manufacturer Part Number
gl846
Description
High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf
Manufacturer
Genesys Logic
Datasheet

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Part Number:
GL846
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CCD_TGG/MTR_SEL1
CCD_TGB/MTR_SEL2
LAMP_SW
XPA_SW
OP0~7
SEN/SLOAD
SCLK
SDI
SDO
VSMP/CDSCLK2
MCLK/ADCCLK
SERIF_CSJ
SERIF_SCKO
SERIF_SDAI
SERIF_SDAO
SPI_CS
SPI_SCK
SPI_DI
SPI_DO
IMG_RD
EMPTY
GL846 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
O
O
O
O
O
O
O
I
I
When power-on initiates the scanner, this pin is used as
motor-select pin. Normally, it is for CCD Transfer gate clock of G
channel.
When power-on initiates the scanner, this pin is used as
motor-select pin. Normally, it is for CCD Transfer gate clock of B
channel.
MTR_SEL[2:0]=111 select Phase Table to output any motor driver
MTR_SEL[2:0]=110 select 3972
MTR_SEL[2:0]=101 select 3972
MTR_SEL[2:0]=100 select 3967
MTR_SEL[2:0]=011 select LB1939T/LB1940T
MTR_SEL[2:0]=010 select Bi_polar 3955
MTR_SEL[2:0]=001 select Bi_polar 2916 or 6219
MTR_SEL[2:0]=000 select Uni_polar 2003
Flatbed lamp power control or CIS Red LED array control
Transparency lamp power control or CIS Green LED array control
AFE digital data input.
Serial interface load pulse.
Serial interface clock output.
Serial data output.
Serial data input.
Wolfson WM1645 type : Video sample synchronization pulse.
Analog Device : CDS Data level sampling clock.
Wolfson WM1645 type : Master clock.
Analog Device : A/D Converter sampling clock.
ASIC is as a master and outputs CS for external 25C16/24C16.
ASIC is as a master and outputs SCK for external 25C16/24C16.
ASIC is as a master and inputs SDAI for external 25C16/24C16.
ASIC is as a master and outputs SDAO for external 25C16/24C16.
ASIC is as a slave and inputs SPI CS from external MCU.
ASIC is as a slave and inputs SPI SCK from external MCU.
ASIC is as a slave and outputs SPI DI to external MCU.
ASIC is as a slave and inputs SPI DO from external MCU.
Image read for two chips operation;
Buffer empty for two chips operation;
timing
Page 18

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