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Transmitter
34
DRS5
35
DRH5
36
DRZB5
37
OHI6
38
OHI7
39
PD7
40
PD6
41
PD5
42
PD4
43
PD3
44
PD2
45
PD1
46
PD0
47
PE0
48
PE1
49
PE2
50
PE3
51
PE4
52
PE5
53
VCCIO
54
XIN
55
XOUT
56
VCC18
57
EP
© 2014 Copyright, Active-Semi International, Inc.
No portion of this document may be reproduced or reused in any form without Active-Semi's prior written consent
Unused
Unused
Unused
Unused
Unused
PD7
Piezoelectric buzzer PWM output. Leave floating if no buzzer is
used.
Unused – leave floating.
TP6/RCFGEN
To enable resistor configuration, leave floating or pull to
ground. To disable this feature, pull to 3.3V.
TP5
Selects PCB configuration (HP/LC):
HP: Leave floating
LC: Must tie to ground
TP4
Dual-color LED enable (green, active-low).
TP3
Dual-color LED enable (red, active-low).
SWDCL
Factory use
SWDIO
Factory use
Unused – leave floating.
TX
Factory use
RX
Factory use
Unused – leave floating.
Unused – leave floating.
Unused – leave floating.
Internally generated digital I/O power supply. Connect a 4.7μF
VCCIO
or higher value ceramic capacitor from VCCIO to VSSA.
Crystal oscillator driver input. Leave floating.
Crystal oscillator driver output. Leave floating.
Internally generated 1.8V core power supply. Connect a 1μF
together with a 0.1μ. For higher value ceramic capacitor from
VCC18 to VSSA.
Exposed pad. Must be connected to VSS in a star ground
configuration. Connect to a large PCB copper area for power
dissipation heat sinking.
PAC5220WP A11 WPC
Power Application Controller
- 16
-
Rev 1.7 May, 2014
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