CHAPTER 22:Media Local Bus Interface (MediaLB)
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
843
Configuration Register (MLBn_SMCR:SMCS), a system interrupt is generated on detection of the
MlbScan command.
Write "1" to clear this bit. Writing "0" has no effect. Once set, this bit holds until it is cleared by software.
[bit2] SDNU : System Detects Network Unlock
Bit
Description
0
Network unlock not detected
1
Network unlock detected
This bit is set to indicate that the MediaLB Device has received the MOST_Unlock (0xE2) System
Command.
If not masked by the System Mask Configuration Register (MLBn_SMCR:SMNU), a system interrupt is
generated on detection of the MOST_Unlock command.
Write "1" to clear this bit. Writing "0" has no effect. Once set, this bit holds until it is cleared by software.
[bit1] SDNL : System Detects Network Lock
Bit
Description
0
Network lock not detected
1
Network lock detected
This bit is set to indicate that the MediaLB Device has received the MOST_Lock (0xE0) System
Command.
If not masked by the System Mask Configuration Register (MLBn_SMCR:SMNL), a system interrupt is
generated on detection of the MOST_Lock command.
Write "1" to clear this bit. Writing "0" has no effect. Once set, this bit holds until it is cleared by software
[bit0] SDR : System Detects Reset
Bit
Description
0
Reset not detected
1
Reset detected
This bit is set to indicate that the MediaLB Device has received the MlbReset (0xFE) System Command.
The target DeviceAddress is stored in the MLBn_SDCR register.
If not masked by the System Mask Configuration Register (MLBn_SMCR:SMR), a system interrupt is
generated on detection of the MlbReset command.
Write "1" to clear this bit. Writing "0" has no effect. Once set, this bit is sticky until cleared by software.
Note:
−
The MediaLBn System Status Configuration register (MLBn_SSCR) allows system software to
monitor and control the status of the MediaLB network. MLBn_SSCR is updated once per frame
by hardware during the MediaLB System Channel. Except for the bits associated with MediaLB
lock and unlock (MLBn_SSCR.SDMU and MLBn_SSCR.SDML), the bits of the MLBn_SSCR
register are not valid until the device is locked to the MediaLB interface. System software must
service status events before the start of the next MediaLB frame to prevent the current frame
status from being lost.
Summary of Contents for S6J3200 Series
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