SP504EB Datasheet, PDF (10/18 Pages) Sipex Corporation – Evaluation Board Manual

SP505 Pin Assignments (cont)
Pin # Pin Name
Pin Function
Pin Description
2
SDEN
3
TREN
4
RSEN
5
LLEN
6
TTEN
7
SCTEN
8
LATCH
9
TDEC3
10
TDEC2
11
TDEC1
12
TDEC0
18
RLEN
Control Registers
TTL Input
Enable control SD driver (active low).
TTL Input
Enable control TR driver (active low).
TTL Input
Enable control TR driver (active low).
TTL Input
Enable control LL driver (active low).
TTL Input
Enable control TT driver (active low).
TTL Input
Enable control SCT receiver (active high).
TTL Input
Latch control logic high is transparent.
TTL Input
Receiver & Driver mode select line.
TTL Input
Receiver & Driver mode select line.
TTL Input
Receiver & Driver mode select line.
TTL Input
Receiver & Driver mode select line.
TTL Input
Enable control RL driver (active low).
Power Supplies
Pins 25, 33, 41 48, 55, 62, 73, 74 connect to Vcc +5 volts.
Pins 29, 34, 43, 46, 50, 53, 57, 60, 64, 72, 75 connect to ground.
Pin 27 is Vdd +10 volts. Connect 22uF 16 volt capacitor between pin 27 and Vcc.
Pin 32 is Vss -10 volts. Connect 22uF 16 volt capacitor between pin 32 and ground.
Pins 26 & 30 are C1+ & C1-. Connect 22uF 16 volt capacitor between pin26 & pin 30.
Pins 28 & 31 are C2+ & C2-. Connect 22uF 16 volt capacitor between pin28 & pin 31.
Note: Ensure all Vcc and ground connections are made before operating device.
504/505 AppNote/03
New SP504/505 Evaluation Board
10
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