NS9210B-0-I75 Datasheet, PDF (21/68 Pages) List of Unclassifed Manufacturers – Figure 1 shows the NS7520 modules. Dashed lines indicate shared pins

Power supply
Mnemonic
TRST_
Signal
Test mode reset
TCK
Test mode clock
Description
TRST_ operates the JTAG standard. Consult the JTAG
specifications for use in boundary-scan testing. These signals meet
the requirements of the Raven and Jeeni debuggers.
TCK operates the JTAG standard. Consult the JTAG specifications
for use in boundary-scan testing. These signals meet the
requirements of the Raven and Jeeni debuggers.
Figure 3: TRST_ termination
Power supply
Signal
Oscillator VCC (3.3V)
Core VCC (1.5V)
I/O VCC (3.3V)
GND
Pin
Description
N13, C3
Oscillator power supply
R8, L14, C14, C13
Core power supply
E4, K4, M2, N3, P3, R5, H14, F14, B8, A3
I/O power supply
D2, F1, J4, P4, P7, M8, P9, R11, K15, G15, E13, Ground
D13, B14, C11, A7, A5, B2, P2, P14, K13
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