ThunderBird AvengerTM PCI Audio SAA7785
Accelerator
Philips Semiconductors Preliminary Specification
1999 Nov 12 60
TABLE 58 CACHELINE Size Register - CACHELINE (RO)
TABLE 59 Master Latency Timer Register - LATIME (RW)
TABLE 60 Header Type Register - HEADER (RO)
D7 D6 D5 D4 D3 D2 D1 D0
PGM_IFACE[7:0]
POR Value00000010
Bit Name R/W Function
23:16 BASE_CLASS RO The base class of 07h describes simple communication devices.
15:8 SUB_CLASS RO The sub class of 00h describes serial controllers.
7:0 PGM_IFACE RO The interface of 02h details a 16550 compatible serial controller.
PCI CFG 2D7D6D5D4D3D2D1D0
Offset 0Ch CACHELINE[7:0]
POR Value00000000
Bit Name R/W Function
7:0 CACHELINE RO Reserved for cache line size indicator.
PCI CFG 2D7D6D5D4D3D2D1D0
Offset 0Dh LATIME[7:0]
POR Value00000000
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 16650 UART is a tar-
get only.
PCI CFG 2D7D6D5D4D3D2D1D0
Offset 0Eh
MULTI_
FN
HEADER[6:0]
POR Value10000000
PCI CFG 2 D23 D22 D21 D20 D19 D18 D17 D16