Intermec CK30 Service Manual page 87

Using the Scanner Interface Signal Set - Part 1 (continued)
Signal Name
IMAGER_PIXCLK
TRIG_AIM*
SCAN_TRIG*
IMAGER_SD0-7
I2C_CLK, I2C_DAT
Using the Scanner Interface Signal Set – Part 2
Source/
Signal Name Destination
SCAN_PWR_EN* U11 out
ILLUM_LASEN_RT FPGA_IO
S
SCAN_FLASH_EN* U11 out
SOS FPGA in
DBP (Video) FPGA in
CK30 Handheld Computer Service Manual
Source/
Destination 2D Imager usage
FPGA IO Pixel clock from
scanner
Data valid on rising
edge
HCR out Enable aiming LED
0 = disable
1 = enable
Modulate
FPGA_IO
illumination LEDs
Not used on
IT4000
FPGA in 8-bit Imager pixel
data
PXA250 IO I2C imager control
SPI Scanner
Usage
Enable scanner
power
0 = enable
1 = disable
Laser enable
0 = enable
1 = disable
Scan enable
0 = enable
1 = disable
SOS (Start of
Scan) toggles at
start of each
scan
SPI data from
scanner
Chapter 4 — Theory of Operation
DBP scanner
usage
EV10 1D/2D select.
0 = 2D
1 = 1D
SE900 aim beam
SE900 config bit 2
Tethered
Decoded Scanner
EL10 Usage Usage (
Enable scanner Enable scanner
power power
0 = enable 0 = enable
1 = disable 1 = disable
Laser enable RTS to scanner
Active-low
0 = enable
1 = disable
Scan enable
0 = enable
1 = disable
SOS (Start of CTS from scanner
Scan) toggles at Active-low
start of each
scan
DBP (Video) RxD from scanner
0 = black 0 = 0 or space state
1 = idle, white 1 = 1 or marking
state
Tethered undecoded
scanner usage
(10-pin
only)
Beep/Scanner present
0 = no scanner installed
1 = scanner installed
Auto-Detect Enable
0 = enable
1 = disable
Trigger from scanner
Active-low
Decoded
Scanner (
E1025
) Usage
10-pin only
Enable scanner
power
0 = enable
1 = disable
RTS to scanner
Active-low
Scanner reflash
enable
Active-high
CTS from
scanner
Active-low
RxD from
scanner
0 = 0 or space
state
1 = 1 or marking
state
)
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