TAM-3517 HARDWARE MANUAL rev B
July 3 2012, TechNexion
56
8.6
System and Miscellaneous Signals Description
SIGNAL NAME
DESCRIPTION
TYPE PIN TAM-3517
SYS_nIRQ
External FIQ input
I
27
SYS_nRESPWRON
Power On Reset
I
40
SYS_CLKOUT1
Configurable output clock1
O
139
SYS_nRESPWARM
Warm Boot Reset (open drain output)
IOD
28
SYS_nRESPWRON will reset the module when pulled low, it will reset TAM-3517, TPS65023,
LAN ransceiver, USB PHYand WiFi simultaneously.
8.7
Touch Interupt Signal Description
SIGNAL NAME
DESCRIPTION
TYPE PIN TAM-3517
TS_nPEN_IRQ
Touch Interrupt
IO
76
8.8
Serial Communcication Interfaces – HDQ/ 1-Wire Signals Description
The HDQ/1-Wire module implements the hardware protocol of the master functions of the
Benchmarq HDQ and the Dallas Semiconductor 1-Wire®
protocols. These protocols use a
single wire for communication between the master (HDQ/1-Wire controller) and the slaves
(HDQ/1-Wire external compliant devices).
SIGNAL NAME
DESCRIPTION
TYPE PIN TAM-3517
Hdq_SIO
Bidirectional HDQ 1-Wire control and data
Interface. Output is open drain.
IOD
128
8.9
PWM Signals Description
SIGNAL NAME
DESCRIPTION
TYPE PIN TAM-3517
PWR_ON
Input; detect a control command to start or
stop the system
I
16
Note: PWR_ON (pin 16) is connected to hot reset on the TPS65023. If you pull this connection
low (for example short to ground) it will reset the TPS65023.
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