GE MAC 1200 Service Manual page 39

Interface to the Motor
Interfaces for Production Tests
JTAG/
Pin Number Signal
1 TMS
2 TRST_
3 TDI
4 TDO
5 TCK
6 GND
7 PORESET_
8 EN_BJHRES_
9 WE[0]
10 WE[1]
Revision D
Functional Description: Internal Interfaces
The motor control signals are supplied through a 6-pin connection cable, plugged to
the connector MOTOR/ on the PCB Control CS_CI.
Connector denotation:
Type:
Debug Port
The debug port is an interface for developing purposes. With the corresponding
tools, the MPC855T can be set to the debug mode, to show internal states.
Connector denotation:
Type:
JTAG Port
The JTAG is an interface for the production test of the processor core and the
memory. In addition, the Flash memories can be programmed with this interface.
Connector denotation:
Type:
The function of the individual pins is given in the table below. The definition as an
input/output is seen with reference to PCB Control CS_CI.
Input/Output
Input JTAG Test Mode Select
Input Reset for Scan Chain Logic
Input Data In for JTAG Mode
Output Data Out for JTAG Mode
Input Serial Clock for JTAG
Logic Ground
Bi-direct Power On Reset
Input Enable buffered HRESET
Bi-direct Write Enable [0]
Bi-direct Write Enable [1]
MAC 1200 resting ECG analysis system
2012250-095
MOTOR/
Multipoint connector 1 x 6 pin, 180°,
Reverse terminal protection, MODU II
BDM/
Male connector, 2 x 5-pin, 180°
JTAG/
Male connector, 2 x 5-pin, 180°, Pin 7: coding pin
Function
0: Reset active
0: Reset active
0: HRESET _ enabled.
0: Write enable
0: Write enable
Definition
2-21