Distributor of NXP Semiconductors: Excellent Integrated System Limited
Datasheet of MPC8569E-MDS-PB - BOARD MOD DEV SYSTEM MPC8569
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MPC8569E-MDS-PB Hardware Getting Started, Rev. 3.1
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Freescale Semiconductor
Board Control Status Registers (BCSR)
10.18 BCSR17
Table 25. BCSR17 Register
10.19 BCSR18
Table 26. BCSR18 Register
Bit
Config Signals
Function
Default
Att
[0]
RnUSBEN
• 1: Disable USB
AND
enable TDM1B
• 0: Enable USB
[1]
R,W
[1]
RnUSBLOWSPD
• 1: USB full-speed (12Mb/s)
• 0: USB low-speed (1.5Mb/s)
[0]
R,W
[2]
RnUSBVCC
• 0: USB acts as Device
– USB powered from an external host
– Enables RMII6 and TDM1G
• 1: USB acts as Host
– USB supplies power to external device
[0]
R,W
[3]
RUSB_MODE
USB Mode
• 1: Host
• 0: Device
[0]
R,W
[4]
RPRESENCE_F
UEM inserted into J7
• 1: Present
• 0: Not present
[x]
R
[5]
RPRESENCE_E
UEM inserted into J16
• 1: Present
• 0: Not present
[x]
R
[6]
RFLASH_RDY
• 1: Ready
• 0: Busy
[x]
R
[7]
FLASH_nWP
• 0: FLASH Write Protect
• 1: FLASH normal operation
[0]
R,W
Bit
Config Signals
Function
Value
Att
[0:3]
REV
• BCSR revision
• Four bit revision coding
current version
R,W
[4:7]
SUBREV
• BCSR SUB revision
• Four bit revision coding
sub version
R,W
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