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参数资料
| 型号： | DSRT-L030-011 |
| 厂商： | CONEXANT SYSTEMS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, XMA |
| 文件页数： | 11/86页 |
| 文件大小： | 667K |
| 代理商： | DSRT-L030-011 |
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RipTide PCI Audio/Comm Device Family Product Description
1167
ROCKWELL PROPRIETARY INFORMATION
19
4.2.6
Power Management Interface
Signal
Type
Level
I
OL/IOH
Reset
State
Std.
Load
Description
GPIO7/VAUXDET
It
TTL
Vaux Detect. Active high input indicates Vaux supply detected.
GPIO6/VPCIDET
It
TTL
Vpci Detect. Active high input indicates Vpci supply detected.
GPIO5/VAUXEN#
Ot2
TTL
2mA
Z / H
20pF
Vaux Enable. Active low Vaux control output.
GPIO4/VPCIEN#
Ot2
TTL
2mA
Z / L
20pF
Vpci Enable. Active low Vpci control.
GPIO3/DOCKSENSE
It
TTL
Dock Sense. A level change on this input indicates docking has
occurred.
GPIO2/VPCIPREFERRED It
TTL
Vpci Preferred. Input read at reset to determine whether the
preferred power supply is Vpci (high) or Vaux (low).
4.2.7
Miscellaneous Interface
Signal
Type
Level
I
OL/IOH
Reset
State
Std.
Load
Description
GPI0/IRING#
It
TTL
Ring Indicate. A low-going edge used to initiate presence of a ring
frequency. Typically connected to the output of an optoisolator or
equivalent. The idle state (no ringing) output of the ring detect circuit
should be high.
GPI1/RINGWAKE#
It
TTL
Ring Wakeup. Active low input used to indicate that a valid ring
signal (filtered from the ring frequency) has been detected. When
RINGWAKE# is asserted, the PME# output is asserted. Used for
Caller ID support.
GPI2/VOL_UP
Itpu
TTL
Volume Up. Active low input used to control volume up.
GPI3/VOL_DWN
Itpu
TTL
Volume Down. Active low input used to control volume down.
GPI4/VOL_MUTE
Itpu
TTL
Volume Mute. Active low input used to turn volume off.
GPIO[1:0]
It/Ot2
TTL
2 mA
Z
20pF
General Purpose Inputs/Outputs. Application assigned.
SCANEN
Itpd
TTL
Scan Enable. Used for factory test. Leave open.
SCANMODE
Itpd
TTL
Scan Mode. Used for factory test. Leave open.
GATE_RST#
It
TTL
Gate Reset. Blocks PCI reset (PCIRST#) for docking station
interface. Connect to +3.3V.
MPLLOUT
Ot2
TTL
2mA
20pF
Modem PLL Out. Connect to XTLI through a 0 ohm resistor.
MPLLCAP
I/O
Modem PLL Capacitor. Connect to GND through 3300 pF
4.2.8
Game Port and MPU-401 Port Interface Signals
Signal
Type
Level
I
OL/IOH
Reset
State
Std.
Load
Description
Game Port
JAX
Ia/Oa4
Analog
Z
20pF
Joystick A X Axis Timer Input.
JAY
Ia/Oa4
Analog
Z
20pF
Joystick A Y Axis Timer Input.
JA1
It
TTL
Joystick A Button 1 Input.
JA2
It
TTL
Joystick A Button 2 Input.
JBX
Ia/Oa4
Analog
Z
20pF
Joystick B X Axis Timer Input.
JBY
Ia/Oa4
Analog
Z
20pF
Joystick B Y Axis Timer Input.
JB1
It
TTL
Joystick B Button 1 Input.
JB2
It
TTL
Joystick B Button 2 Input.
MPU-401 Port
MIDI_IN
Itpu
TTL
MPU-401 UART MIDI Input.
MIDI_OUT
Ot12
TTL
12mA H
20pF
MPU-401 UART MIDI Output.
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