Basic Architecture
MSC8113 Reference Manual, Rev. 0
Freescale Semiconductor
12-9
12.1.4 Transfer Error Acknowledge (TEA) Generation
The memory controller asserts the transfer error acknowledge signal (
TEA
) (if enabled) in the
following cases:
An unaligned or burst access is attempted to internal MSC8113 space (registers).
Any SC140 core or an external master attempts a burst access to the local bus address
space.
A bus monitor time-out.
12.1.5 Machine Check Interrupt (MCP) Generation
The memory controller asserts machine check interrupt (
MCP
) in the following cases:
A parity error
An ECC double-bit error
An ECC single-bit error when the maximum number of ECC errors is reached
12.1.6 Data Buffer Controls (BCTL[0–1])
The memory controller provides two data buffer controls for the system bus (
BCTL0
and
BCTL1
).
These controls are activated when a GPCM- or UPM-controlled bank is accessed and are
disabled by setting ORx[BCTLD]. Access to SDRAM-machine controlled bank does not activate
the
BCTLx
controls.
The
BCTLx
signals have programmable polarity and functionality that are controlled by
SIUMCR[BCTLC]. For details on possible polarity and functionality of
BCTLx,
see the discussion
of the SIU Module Configuration Register (SIUMCR) in Section 4.2, SIU Programming Model.
The
BCTLx
signals are asserted on the rising edge of the external bus clock on the first cycle of the
memory controller operation. They are deasserted on the rising edge of the external bus clock
after the last assertion of
PSDVAL
if the access is asserted. See Section 12.1.8, Partial Data Valid
Indication (PSDVAL), on page 12-10. If back-to-back memory controller operations are pending,
BCTLx
signals are not deasserted.
Summary of Contents for MSC8113
Page 1: ...MSC8113 Reference Manual Tri Core 16 Bit Digital Signal Processor MSC8113RM Rev 0 May 2008 ...
Page 20: ...MSC8113 Reference Manual Rev 0 xx Freescale Semiconductor Contents ...
Page 28: ...MSC8113 Reference Manual Rev 0 xxviii Freescale Semiconductor ...
Page 56: ...MSC8113 Reference Manual Rev 0 1 28 Freescale Semiconductor MSC8113 Overview ...
Page 76: ...MSC8113 Reference Manual Rev 0 2 20 Freescale Semiconductor SC140 Core Overview ...
Page 134: ...MSC8113 Reference Manual Rev 0 4 30 Freescale Semiconductor System Interface Unit SIU ...
Page 168: ...MSC8113 Reference Manual Rev 0 6 18 Freescale Semiconductor Boot Program ...
Page 180: ...MSC8113 Reference Manual Rev 0 7 12 Freescale Semiconductor Clocks ...
Page 260: ...MSC8113 Reference Manual Rev 0 8 80 Freescale Semiconductor Memory Map ...
Page 300: ...MSC8113 Reference Manual Rev 0 9 40 Freescale Semiconductor Extended Core ...
Page 304: ...MSC8113 Reference Manual Rev 0 10 4 Freescale Semiconductor MQBus and M2 Memory ...
Page 308: ...MSC8113 Reference Manual Rev 0 11 4 Freescale Semiconductor SQBus ...
Page 590: ...MSC8113 Reference Manual Rev 0 17 46 Freescale Semiconductor Interrupt Processing ...
Page 614: ...MSC8113 Reference Manual Rev 0 18 24 Freescale Semiconductor Debugging ...
Page 622: ...MSC8113 Reference Manual Rev 0 19 8 Freescale Semiconductor Internal Peripheral Bus IPBus ...
Page 724: ...MSC8113 Reference Manual Rev 0 21 32 Freescale Semiconductor UART ...
Page 920: ...MSC8113 Reference Manual Rev 0 25 150 Freescale Semiconductor Ethernet Controller ...
Page 1171: ...MSC8113 Reference Manual Rev 0 Freescale Semiconductor C 61 EF wait_rts P 01077FFC 9F rts 71 ...
Page 1172: ...MSC8113 Reference Manual Rev 0 C 62 Freescale Semiconductor MSC8113 Boot Code ...
Page 1202: ...MSC8113 Reference Manual Rev 0 Index 30 Freescale Semiconductor Index ...