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ThunderBird Avenger
TM
PCI Audio SAA7785
Accelerator
Philips Semiconductors Preliminary Specification
1999 Nov 12 52
TABLE 42 Header Type Register - HEADER (RO)
TABLE 43 BIST Register - BIST (RO)
SSA7785 ThunderBird Avenger™ CFG Space 1 Legacy Base Address Registers
POR Value
00000000
Bit Name R/W Function
7:0 LATIME RO The primary bus latency timer specifies the number of primary clocks that the
primary master may consume. It is set to zero since the joystick is a target
only.
PCI CFG 1D7D6D5D4D3D2D1D0
Offset 0Eh
MULTI_
FN
HEADER[6:0]
POR Value
10000000
Bit Name R/W Function
7MULTI_FNROFor the SSA7785 ThunderBird Avenger™, function 1, this bit has no mean-
ing.
6:0 HEADER RO Header Type. A 00h indicates this device is not a PCI-to-PCI bridge.
PCI CFG 1D7D6D5D4D3D2D1D0
Offset 0Fh
BIST START R R CODE[3:0]
POR Value
00000000
Bit Name R/W Function
7 BIST RO BIST capable. BIST is not supported in the SSA7785 ThunderBird
Avenger™, function 1 at this revision.
6 START RO If BIST capable, this bit will start the BIST. Writing a 1 will start the test and
the BIST should write this bit to a zero when complete. Software should fail
the device if the BIST is not complete after 2 seconds.
5:4 R RO Reserved. These bits always return zero.
3:0 CODE RO Completion Code. A value of zero means the device has passed its test.
Non-zero values means the device has failed using device specific failure
codes.
PCI CFG 1D7D6D5D4D3D2D1D0