GE Corometrics 126

Revision B 120 Series Maternal/Fetal Monitor 4-31
2015590-001
Theory of Operation: DSP Board
Table 4-14. Emulation Test Port Connector J3
Pin Number Signal Name
Signal Type
(Relative to Main
Motherboard)
Signal Description
1 TMS Input Test Mode Select Line
2 TRST/ Input Test Reset Line
3 TDI Input Test Data Input Line
4 GND Output Power Ground
5 +5V Output Presence Detect Line
6 No Connection — Connector Key
7 TDO Output Test Data Output Line
8 GND Output Power Ground
9 TCK-RET Output Test Clock Return Line
10 GND Output Power Ground Line
11 TCK Input Test Clock Input Line (10 MHz typical)
12 GND Output Power Ground
13 EMU0 I/O Emulation Pin 0
14 EMU1 I/O Emulation Pin 1