参数资料
型号: MPC5125YVN200
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, MICROCONTROLLER, PBGA324
封装: 23 X 23 MM, 2.25 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT, PLASTIC, MS-034AJJ-1, TEPBGA-324
文件页数: 83/92页
文件大小: 640K
代理商: MPC5125YVN200
MPC5125 Microcontroller Data Sheet, Rev. 3
System Design Information
Freescale Semiconductor
84
For a board with a COP (common on-chip processor) connector that accesses the JTAG interface and needs to reset the JTAG
module, it is not recommended to wire only TRST and PORESET.
To reset the MPC5125 via the COP connector, the HRESET pin of the COP should be connected to the HRESET pin of the
MPC5125. The circuitry shown in Figure 51 allows the COP to assert HRESET or TRST separately, while any other board
sources can drive PORESET.
Table 49. COP/BDM Interface Signals
BDM Pin #
I/O Pin
BDM Connector
Internal
Pullup/Pulldown
External
Pullup/Pulldown
I/O1
NOTES:
1 With respect to the emulator tool’s perspective:
Input is really an output from the embedded e300 core.
Output is really an input to the core.
16
GND
15
CKSTP_OUT
ckstp_out
10 k
Ω Pullup
I
14
KEY
13
HRESET
hreset
Pullup
10 k
Ω Pullup
O
12
GND
11
SRESET
sreset
Pullup
10 k
Ω Pullup
O
10
N/C
9
TMS
tms
Pullup
10 k
Ω Pullup
O
8
CKSTP_IN
ckstp_in
10 k
Ω Pullup
O
7
TCK
tck
Pullup
10 k
Ω Pullup
O
6
VDD2
2 From the board under test, power sense for chip power.
——
5
See Note3
3 HALTED is not available from e300 core.
halted3
——
I
4TRST
trst
Pullup
10 k
Ω Pullup
O
3
TDI
tdi
Pullup
10 k
Ω Pullup
O
2
See Notepci_frame
qack4
——
O
1TDO
tdo
I
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