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參數資料
| 型號： | PCI4515GHK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SINGLE SOCKET CARDBUS CONTROLLER WITH INTEGRATED |
| 中文描述： | 單插槽CardBus控制器，它集成 |
| 文件頁數： | 47/216頁 |
| 文件大小： | 1138K |
| 代理商： | PCI4515GHK |
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39
Table 37. CardBus Socket Registers
REGISTER NAME
OFFSET
Socket event
00h
Socket mask
04h
Socket present state
08h
Socket force event
0Ch
Socket control
10h
Reserved
14h1Ch
Socket power management
20h
3.6
Serial EEPROM Interface
The PCI4515 controller has a dedicated serial bus interface that can be used with an EEPROM to load certain
registers in the PCI4515 controller. The EEPROM is detected by a pullup resistor on the SCL terminal. See Table 39
for the EEPROM loading map.
3.6.1
Serial-Bus Interface Implementation
The PCI4515 controller drives SCL at nearly 100 kHz during data transfers, which is the maximum specified frequency
for standard mode I
2
C. The serial EEPROM must be located at address A0h.
Some serial device applications may include PC Card power switches, card ejectors, or other devices that may
enhance the user’s PC Card experience. The serial EEPROM device and PC Card power switches are discussed
in the sections that follow.
3.6.2
Accessing Serial-Bus Devices Through Software
The PCI4515 controller provides a programming mechanism to control serial bus devices through software. The
programming is accomplished through a doubleword of PCI configuration space at offset B0h. Table 38 lists the
registers used to program a serial-bus device through software.
Table 38. PCI4515 Registers Used to Program Serial-Bus Devices
PCI OFFSET
REGISTER NAME
DESCRIPTION
B0h
Serial-bus data
Contains the data byte to send on write commands or the received data byte on read commands.
B1h
Serial-bus index
The content of this register is sent as the word address on byte writes or reads. This register is not used
in the quick command protocol.
B2h
Serial-bus slave
address
Write transactions to this register initiate a serial-bus transaction. The slave device address and the
R/W command selector are programmed through this register.
B3h
Serial-bus control
and status
Read data valid, general busy, and general error status are communicated through this register. In
addition, the protocol-select bit is programmed through this register.
3.6.3
Serial-Bus Interface Protocol
The SCL and SDA signals are bidirectional, open-drain signals and require pullup resistors as shown in Figure 33.
The PCI4515 controller, which supports up to 100-Kb/s data-transfer rate, is compatible with standard mode I
2
C using
7-bit addressing.
All data transfers are initiated by the serial bus master. The beginning of a data transfer is indicated by a start
condition, which is signaled when the SDA line transitions to the low state while SCL is in the high state, as shown
in Figure 36. The end of a requested data transfer is indicated by a stop condition, which is signaled by a low-to-high
transition of SDA while SCL is in the high state, as shown in Figure 36. Data on SDA must remain stable during the
high state of the SCL signal, as changes on the SDA signal during the high state of SCL are interpreted as control
signals, that is, a start or a stop condition.
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相關代理商/技術參數 |
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| PCI4515ZHK | 功能描述:IC PC CARD CONTROLLER 257-BGA RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
| PCI4520 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-SOCKET PC CARD AND INTEGRATED 1394A-2000 OHCI TWO-PORT PHY/LINK-LAYER CONTROLLER |
| PCI4520GHK | 功能描述:外圍驅動器與原件 - PCI 2 Slot PC Card & int 1394a-2000 RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PCI4520ZHK | 制造商:Texas Instruments 功能描述: |
| PCI-471LF | 制造商:PROTECHSYSTEMS 制造商全稱:PROTECHSYSTEMS 功能描述:PCI ULV Celeron M CPU Card |
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