参数资料
型号: YMF754-V
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP128
封装: 0.50 MM PITCH, LQFP-128
文件页数: 19/60页
文件大小: 309K
代理商: YMF754-V
YMF754
December 25, 1999
-26-
b11..............PSIO: Power Save I/O Pad
Setting this bit to “1” cuts the pull up resistor of the input pins except for the PCI interface and AC-Link.
The input signals keep the level before PSIO bit is set from “0” to “1”.
In case the input level is only
“low”, the pull up resistor is cut.
“0”: Normal
(default)
“1”: Cuts the pull up resistor
b12..............PSHWV: Power Save Hardware Volume
Setting this bit to “1” stops a clock supplied to the Hardware Volume block.
“0”: Normal
(default)
“1”: Disable
PCI
Clock
(33MHz)
PCI I/F
PC/PCI
D-DMA
S-IRQ
EEPROM I/F
I/O Pad
PSIO
External Input
Master
Clock
(24.576MHz)
PLL
DMC
DPLL
FM Synthesizer
SB Pro
AC-link
ZVport
H/W Vol.
PCI Audio
SRC
SPDIF OUT
SPDIF IN
AC97 Master Clock
MPU401
Joystick
CMCD
PSFM
PSSB
PSMPU
PSJOY
PSPCA
PSSRC
PSZV
PSDIT
PSDIR
PSACL
PSHWV
Power Management Block
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