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ISP Enable Jumper JP1
106 Interphase Corporation
WARNING
J5 Debug Connector is not compliant to PMC component height specification. It
should be removed to insert the 4538 and its carrier into a CompactPCI chassis.
ISP Enable Jumper JP1
The 4538 includes a location for a jumper at JP1. This location is used during production
to enable the programming of the card’s EPLD programmable devices “in-situ”. This
location should never be used by the normal user.
Blank Card Jumper JP2
Location for a jumper at JP2 is needed for production when the PowerSPAN serial
EEPROM is not yet programmed, in order to prevent the card from locking the system. This
location should never be populated with a jumper by the normal user.
Table 5-7. J5 Debug Port
Pin Signal Signal Pin
1TDO 10 k
W Pull-up to +3.3 V 2
3TDI TRST_N4
5 QREQ_N +3.3V through a 1 kW resistor 6
7TCK 8
9TMS 10
11 SRESET_N GND 12
13 HRESET_N 14
15 10 k
W Pull-up to +3.3 V GND 16