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P5040/P5020 Reference Design Board User Guide, Rev. 0
Freescale Semiconductor
49
Programming Model
0x04
PX_RST
Reset Control
R/W
0xFF
0x05
PX_SERCLK
Clock Enable
R/W
0xF8 for P5020
0xFC for P5040
0x06
PX_AUX
Auxiliary R/W
0x00
0x07
PX_SPD
Speed R
Variable
0x08
PX_BRDCFG0
Board Configuration 0
R/W
0x91
0x09
PX_BRDCFG1
Board Configuration 1
R/W
0x09
0x0A
PX_ADDR
SRAM Address
R/W
0x00
0x0B
PX_BRDCFG2
Board Configuration 2
R/W
0x8C for P5020
0x8E for P5040
0x0C
PX_GPIO_DIR
FPGA GPIO Direction
R/W
0x00
0x0D
PX_DATA
SRAM Data
R/W
Undefined
0x0E
PX_LED
LED Data
R/W
0x00
0x0F
PX_TAG
TAG Data
R
FPGA build
data-dependant
0x10
PX_VCTL
VELA Control
R/W
0x00
0x11
PX_VSTAT
VELA Status
R
0x00
0x12
PX_HSTAT
P5040/P5020RDBP5040
/P5020 Status
R
0x03
0x13
Reserved
Reserved
Reserved
Undefined
0x14
PX_OCMCSR
OCM
Control/Status R/W
0x00
0x15
PX_OCMMSG
OCM Message
R/W
0x00
0x16 – 0x18
Reserved
Reserved
Reserved
Undefined
0x19
PX_SCLK0
System Clock 0
R/W
Variable
0x1A
PX_SCLK1
System Clock 1
R/W
Variable
0x1B
PX_SCLK2
System Clock 2
R/W
Variable
0x1C
PX_GPIO_OUT
FPGA GPIO Out
R
xx
0x1D
PX_GPIO_IN
FPGA GPIO IN
R/W
0x00
0x1F
PX_WATCH
WATCH R/W
0x7F
0x20, 0x22,..., 0x30
PX_SW(1:8),
PX_SW11
Switches (1:8), 11
R/W
Variable
0x21, 0x23,..., 0x31
PX_EN(1:8), PX_EN11
Enable Switches (1:8),
11
R/W
0x00
Table 26. ngPIXIS Register Map (continued)
Base Address Offset
Name
ngPIXIS (PX) Register
Access
Reset