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2 - 10 Symbol PL4507 Decoder Integration Guide
Symbol PL4507 Signal Descriptions (Continued)
Table 2-3
Signal Name
HOST_AIM_WAKE*
HOST_TRIGGER*
HOST_3P3
GND
Reserved
GND
Reserved
HOST_3P3
Reserved
Reserved
Reserved
GND
HOST_USB_P
HOST_USB_N
GND
HOST_5V
HOST_5V
ILLUM_EN_OUT
HOST_SYS_CFG0
HOST_SYS_CFG1
Note: Signal directions are listed relative to the PL4507 decoder module.
Description
Dir
Signal functions as
In
aiming pattern
control when the
PL4507 is not in a
low power state
Signal functions as a
wakeup only when
the PL4507 is in a
low power state
Used to start a
In
decode session
+3.3 V power supply
In
System ground
System ground
+3.3 V power supply
In
System ground
Positive differential
In/
data signal for the
Out
USB bus
Negative differential
In/
data signal for the
Out
USB bus
System ground
+5.0V power supply
In
+5.0V power supply
In
External illumination
Out
control signal
System configuration
In
bits
In
Host
Connector
Control State
Pin
11
L = Aiming pattern
on
H= Aiming pattern
off
L = Wake up
PL4507 from a
power down state
H = No action
12
L = Start session
H = Inactive
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
L = Illumination on
H = Illumination off
29
30
Comments
See
Typical Input
Circuit.
Set the appropriate parameters
for this signal to function
properly.
See
Typical Input
Circuit.
PL4507 supply voltage
PL4507 power supply return
PL4507 power supply return
PL4507 supply voltage
PL4507 power supply return
USB 2.0 full speed bus
USB 2.0 full speed bus
PL4507 power supply return
PL4507 supply voltage
PL4507 supply voltage
Reserved for external
illumination control. Control line
can only source/sink 5 mA.
Used to determine which host
interface is used after reset state.
See
Table 1-3 on page
1-4.
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