3.2 Resets
All resets for the C29x PCIe card are handled by CPLD. A power-on-reset is initiated by
pressing the power switch, if the board is in a chassis. A warm reset is initiated by
pressing SW1 on the board. A warm reset can also be initiated using software, by
asserting the HRESET_REQ line from the processor.
The figure below shows the reset block of C29x PCIe.
PS_RST_N
ADM1069
(Power Monitor)
GND
Push-Button
MAX811S
(Power-on RST)
PON_RST_N
WD_CFG0
WDO N
WDI
MAX6370
(Watch_Dog)
COP_ITF
COP_SRST_N
COP_HRST_N
HRSET_N
HRSET_REQ_N
C29x
AND
CPLD
Soft reset register
AND
GE2_RST_N
GE2
PHY
NOR
FLASH
DDR3/
DDR3L
WD_CFG1
WD_CFG2
GE1_RST_N
AND
GE1
PHY
7 6 5 4 3 2 1 0
Figure 3-2. C29x PCIe reset block
3.3 Power Block Diagram
The figure below shows the power block diagram of the C29x PCIe board.
Chapter 3 Clocks, Resets, and Power Control
C29x PCIe Card User Guide, Rev. 0, 10/2013
Freescale Semiconductor, Inc.
21
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