Motorola MVME1X7P User Manual

Page of 316
Error Conditions
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1
SCC LTO Error
LAN Parity Error
LAN Offboard Error
Description:
Local Bus Time-out occurred while the SCC was Local 
Bus master.
MPU Notification:
SCC Transmit Interrupt or SCC Receive Interrupt
Status:
SCC Transmit Interrupt Status register 
SCC Transmit Current Buffer Address register 
SCC Receive Interrupt Status register High
SCC Receive Current Buffer Address register PCCchip2 
SCC Error Status register ($FFF4201C)
Comments:
SCC Transmit and Receive interrupt enables are controlled 
in the SCC and in the PCCchip2.
Description:
Parity error while the LANCE was reading DRAM
MPU Notification:
PCCchip2 Interrupt (LAN ERROR IRQ)
Status:
PCCchip2 LAN Error Status register ($FFF42028)
Comments:
The LANCE has no ability to respond to TEA so the error 
interrupt and status are provided in the PCCchip2. Control 
for the interrupt is in the PCCchip2 LAN Error Interrupt 
Control register ($FFF4202B).
Description:
Error encountered while the LANCE was attempting to go 
to the VMEbus.
MPU Notification:
PCCchip2 Interrupt (LAN ERROR IRQ)
Status:
PCCchip2 LAN Error Status register ($FFF42028)
Comments:
The LANCE has no ability to respond to TEA so the error 
interrupt and status are provided in the PCCchip2. Control 
for the interrupt is in the PCCchip2 LAN Error Interrupt 
Control register ($FFF4202B).