Filter
Top Products
31
TTL, RS232, 3.3V / 5V
Figure 21.
12-Pin ZIF Connector
Pin Signal Name Function
1 TTLINV Input: TTL RS232 Polarity Control with 33.2k ohm Pull-Up
2 +3.3V or 5.0V Power: Supply Voltage Input, +3.3V ± 0.3V or +5.0V ± 5%
3 GND Ground: Power and Signal Ground
4 RxD Input: TTL Level RS232 Receive Data
5 TxD Output: TTL Level RS232 Transmit Data
6 CTS Input: TTL Level Clear to Send
7 RTS Output: TTL Level RS232 Request to Send
8 PWRDWN Output: Active High = IS4823 is in Power Down Mode
9 nBEEPER
Output: Active Low, Signal Capable of Sinking Current
See Detailed Electrical Specifications starting on page 26.
10 nGood Scan
Output: Active Low, Signal for Sinking Current (Good Scan)
See Detailed Electrical Specifications starting on page 26.
11 nEXT WAKE
Input: Active Low, Signal Used to Bring Engine Out of
Power Down
12 nEXT Trig
Input: Active Low, Signal Used as Trigger Input to Activate
the Engine
10-Pin ZIF Connector
Pin Signal Name Function
1 SDA
I
2
2
C Data (Bi-Directional) – Devices Function as Auxiliary
Devices
GND Ground: Power and Signal Ground
3 GND Ground: Power and Signal Ground
4 Scan Sense
Level changes from High to low or low to high when the
laser changes direction at the start of the scan line
5 Data
High = Bar
Low = Space
6 Scan Enable
High = Engine OFF
Low = Engine ON
7 Laser Enable
High = Laser OFF
Low = Laser ON
8 NC No Connection
9 +3.3V or 5.0V
Power: Supply Voltage Output, +3.3V ± 0.3V or +5.0V ±
5%
10 SCL
I
2
C Data (Bi-Directional) – Devices Function as Auxiliary
Devices