Motorola MSC8101 ADS User Manual download pdf (Page 93)

B-92 MSC8101ADS RevB User’s Manual MOTOROLA

B•1•5 P5, P7, P8, P9, P10, P13, P14 - Logic Analyzer Connectors

These are 38 pin, SMT, high density, matched impedance connector made by AMP. They contain

all MSC8101 signals unbuffered. The pinout of these connectors is shown in MSC8101ADS Sche-

matics.

B•1•6 P6 - JTAG/OnCE Port Connector

P6 is a Motorola standard JTAG/ONCE connector for the DSP. It is a 14 pin 90

two row header

connector with key. The pinout of P6 is shown in TABLE B1-6. "P6 - JTAG/ONCE Connector - In-

terconnect Signals" below:

30 HDS I Host Data Strobe or Host Write Data Strobe. For further

explanation see P2/A24 in TABLE B1-3. "P2 - CPM

Expansion - Interconnect Signals" above

31 HRESETb I/O, P.U MSC8101’s Hard Reset. For further explanation see P1/C10 in

TABLE B1-2. "P1 - System Expansion - Interconnect

Signals" above

32 PORSTb I/O, P.U Power-On-Reset. For further explanation see P1/B20 in

TABLE

B1-2. "P1 - System Expansion - Interconnect Signals"

above

33 3V3 P +3.3V Power Out. These lines are connected to the main 3.3V

plane of the MSC8101ADS.

34 N.C. - Not connected.

35 GND P Digital GND. Main GND plane.

TABLE B1-6. P6 - JTAG/ONCE Connector - Interconnect Signals

Pin No. Signal Name Attribute Description

1 TDI I Transmit Data In. This is the JTAG serial data input of the ADS,

sampled on the rising edge of TCK.

2 GND P Digital GND. Main GND plane.

3 TDO O Transmit Data Output. This the MSC8101’s JTAG serial data

output driven by Falling edge of TCK.

4 GND P Digital GND. Main GND plane.

5 TCK I Test port Clock. This clock shifts in / out data to / from the

MSC8101ADS JTAG logic. Data is driven on the falling edge of

TCK and is sampled both internally and externally on it’s rising

edge.

TCK is pulled up internally by the MSC8101.

6 GND P Digital GND. Main GND plane.

7 N.C. - Not Connected.

8 KEY - No pin in connector. Serve for correct plug insertion. Not

Connected.

TABLE B1-5. P4 - Host Interface Connector - Interconnect Signals

Pin No. Signal Name Attribute Description

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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