SPC5125YVN400 FREESCALE [Freescale Semiconductor, Inc], SPC5125YVN400 Datasheet - Page 83
![no-image](/images/no-image-200.jpg)
SPC5125YVN400
Manufacturer Part Number
SPC5125YVN400
Description
MPC5125 Microcontroller Data Sheet
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.SPC5125YVN400.pdf
(92 pages)
- Current page: 83 of 92
- Download datasheet (647Kb)
5.4
The MPC5125 requires external pullup or pulldown resistors on certain pins.
5.4.1
The MPC5125 requires a pulldown resistor on the test pin TEST.
5.5
The MPC5125 has an IEEE 1149.1 JTAG interface to facilitate board/system testing. It also provides a common on-chip
processor (COP) interface, which shares the IEEE 1149.1 JTAG port.
The COP interface provides access to the MPC5125’s embedded e300 processor and to other on-chip resources. This interface
provides a means for executing test routines and for performing software development and debug functions.
5.5.1
Boundary scan testing is enabled through the JTAG interface signals. The JTAG_TRST signal is optional in the IEEE 1149.1
specification but is provided on all processors that implement the Power Architecture. To obtain a reliable power-on reset
performance, the JTAG_TRST signal must be asserted during power-on reset.
5.5.1.1
The JTAG interface can control the direction of the MPC5125 I/O pads via the boundary scan chain. The JTAG module must
be reset before the MPC5125 comes out of power-on reset; do this by asserting TRST before PORESET is released.
For more details, see the Reset and JTAG Timing Specification.
5.5.2
There are two possibilities to connect the JTAG interface: using it with a COP connector and without a COP connector.
5.5.2.1
The MPC5125 functional pin interface and internal logic provides access to the embedded e300 processor core through the
Freescale standard COP / BDM interface.
COP / BDM connector order.
Freescale Semiconductor
Required assertion of TRST
PORESET
Pullup/Pulldown Resistor Requirements
JTAG
Pulldown Resistor Requirements for TEST Pin
JTAG_TRST
e300 COP / BDM Interface
TRST and PORESET
Boards Interfacing the JTAG Port via a COP Connector
TRST
MPC5125 Microcontroller Data Sheet, Rev. 3
Table 49
Figure 50. PORESET vs. TRST
gives the COP / BDM interface signals. The pin order shown reflects only the
Optional assertion of TRST
System Design Information
83
Related parts for SPC5125YVN400
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![MC14560BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC12034AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MPIC2112P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14520BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC12026AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC145152P2](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC68HC11A0P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MCM6726DWJ10](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC44355](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC13282AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14519BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14495P1](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![SN74LS796N](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC142100CP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC34014P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: