Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 511

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• When the frame sync pulse >
• In late frame sync mode if the frame sync pulse is not active during
the whole transmission/reception a frame sync error is generated.
Error Status
Each SPORT can generate an interrupt if a
error occurs. The
interrupts generated by each SPORT.
SPORT sticky error bits can be cleared in two ways:
1. By disabling the SPORT (frame sync error) or disabling the corre-
sponding channel by itself (for
2. By writing a 1 to the interrupt status bits in the
When sticky bits are cleared, interrupts are also cleared.
Only one error interrupt is connected for all serial ports together. So when
an error occurs the programs should read the sticky status bits and detect
which interrupt caused the error.
An additional register is provided to read all sport interrupt status bits
together. The
SPERRSTAT
interrupts. This register also shows the latched interrupt status, but only
when the interrupt is enabled for that error.
Debug Features
The following sections provide information on debugging features avail-
able with the serial ports.
ADSP-214xx SHARC Processor Hardware Reference
www.BDTIC.com/ADI
registers control and report the status of the
SPERRCTLx
register shows the status of all SPORT error
period.
SCLK
,
DERR_A
DERR_B
,
).
DERR_A
DERR_B
SPERRCTLx
Serial Ports
, or
FSYNC_ERR
register.
10-53

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