AMG-SO204 Datasheet, PDF (7/30 Pages) alpha microelectronics gmbh – Optical Switch IC

AMG-SO204
Optical Switch IC
6. Pinning / Pad Coordinates
PIN#
1
2
3
4
5
6
7
8
9
10
Symbol
Row 1
Row 0
Seg 4
Seg 3
Seg 0
Seg 1
Seg 6
Seg 2
EXTOUT[0]
EXTCOVER
11
NC
12
NC
13
NC
14
NC
15
NC
16
NC
17
NPN
18
INCLK
19
COMRXD
20
COMTXD
21
CPURXD
22
CPUTXD
23
EXTOUT[1]
24
EXTINP
25
RESETINB
26
LIGHTCURRENT
27
LIGHTOUT
28
VDD
29
CB3V3
30
VDDD
31
GNDD
32
NC
33
GNDA
Description
Outputs for driving a 7-segment LED display. High level activates a
single digit. Connect to an NPN transistor.
Outputs for driving a 7-segment LED display. High level activates a
segment of a digit. Connect to an NPN transistor.
Judgment result output port #1
Overcurrent detection input of external output port, internally pulled-up
to 3.3V
Leave unconnected
Leave unconnected
Leave unconnected
Leave unconnected
Leave unconnected
Leave unconnected
NPN/PNP select, internally pulled-up to 3.3V
20MHz clock input
Microcontroller receive port for intermodule communication, internally
pulled-down to GND
Microcontroller transmit port for intermodule communication
Microcontroller receive port for reading registers, internally pulled-
down to GND
Microcontroller transmit port for setting registers
Judgment result output port #2
General input port
System reset input port, internally pulled-down to GND
LED intensity control
LED ON/OFF control
6V supply pin
Output of the 3.3V regulator/3.3V decoupling capacitor pin
Decoupling capacitor pin for the 2.5V regulator (digital)
Digital ground pin
Leave unconnected
Analog ground pin
AMG-SO204 Revision: A
29. Jul. 2010 © All rights reserved Page 7 of 30