參數(shù)資料
型號: SAA7780
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: ThunderBird Q3DE PCI Audio Accelerator(雷鳥 Q3DE PCI音頻加速器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封裝: 28 X 28 MM, 3.42 MM HEIGHT, PLASTIC, QFP-160
文件頁數(shù): 64/70頁
文件大小: 348K
代理商: SAA7780
ThunderBird Q3D PCI Audio
Accelerator
SAA7780
Philips Semiconductors
Product Specification
1999 Sep 30
64
FIGURE 6
Multimedia Timer Block Diagram
Multimedia Timer Register Definition
There are five registers that control the multimedia timer. These registers are the timer control register, timer status,
and timer count registers. The timer control register resides in PCI configuration space. The remainder of the timer
registers are in I/O space.
Multimedia Timer PCI Configuration Registers
Multimedia Timer Configuration Register 0 - TIMRCFG0 (RW/RO)
PCI CFG 0
D7
D6
D5
D4
D3
D2
D1
D0
Offset 64h
R
R
R
R
R
FSTCLK
TMRRST
R
POR Value
0
0
0
0
0
0
0
0
Bit
Name
R/W
Function
7:3
R
RO
Reserved. These bits return zeros.
PS BUS
CLOCK
DIVIDE
LOGIC
OSC
CTL
INTERNAL
PS BUS
INTERFACE
INTERRUPT
GENERATION
LOGIC
20 BIT - 1uS
RESOLUTION
UP COUNTER
CTL
COUNT
INTR
COUNTER CLOCK
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