
GL841 USB 2.0 2-in-1 Scanner Controller
TSTSEL0
TSTSEL1
I
To select mode: Normal mode = 00
MTR_SEL1
MTR_SEL0
I
MTR_SEL[1:0]=10 select Bi_polar 3955
MTR_SEL[1:0]=01 select Bi_polar 2916 OR 6219
MTR_SEL[1:0]=00 select Uni_polar 2003
IX1
I
Clock input for crystal (12MHz)
IOX2
O
Clock output for crystal
EXTRST_
I
Hardware reset input
POWER
AVDD,AVCC1
P
Analog power input for USB2.0 transceiver 3.3V
AGND,AGND1
P
Analog ground input for USB2.0 transceiver
DVCC0,DVCC1
P
Digital power input for USB2.0 controller 3.3V
DGND0,DGND1
P
Digital ground input for USB2.0 controller.
VccCore1,VccCore2,VccCore3,
VccCore4,DVCC1
P
Digital power input for scanner controller logic core 3.3V
GndCore1,GndCore2,GndCore3,
GndCore4,DGND1,DGND0
GndIO1,GndIO2,GndIO3,GndIO4,
GndIO5,GndIO6
P
Digital ground input for scanner controller.
VccIO1
P
for PIN7~PIN39 3.3V or 5V
VccIO2
P
For PIN40~PIN58 3.3V or 5V
VccIO3
P
for PIN59~PIN66 3.3V or 5V
VccIO4, VccIO5,VccIO6
P
for PIN67~116 3.3V or 5V
VCC0
P
for USB2.0 Pads 3.3V
USB Interface
SUSPND
O
USB suspend indicator
RPU
-
3.3V Pull up control for DPF
DPF
B
Positive USB differential data (Full Speed)
DPH
B
Positive USB differential data (High Speed)
DMF
B
Negative USB Differential Data (Full Speed)
DMH
RREF
B
-
Negative USB Differential Data (High Speed)
510Ohm reference resistor input
Version 1.7
11