參數(shù)資料
型號： SST55LC100M-45-C-BWE
元件分類： 存儲控制器/管理單元
英文描述： IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PBGA84
封裝： 9 X 9 MM, ROHS COMPLIANT, TFBGA-84
文件頁數(shù)： 24/75頁
文件大小： 1040K
代理商： SST55LC100M-45-C-BWE
30
Advance Information
CompactFlash Card Controller
SST55LC100M
2006 Silicon Storage Technology, Inc.
S71316-00-000
3/06
9.1.5.9 Status & Alternate Status Registers (Address 1F7H[177H]&3F6H[376H]; Offsets 7 & E)
These registers return the CompactFlash card status when read by the host. Reading the Status register does
clear a pending interrupt while reading the Auxiliary Status register does not. The meaning of the status bits are
described as follows:
Symbol
Function
Bit 7 (BUSY) The busy bit is set when the CompactFlash card has access to the command buffer and
registers and the host is locked out from accessing the command register and buffer. No
other bits in this register are valid when this bit is set to a 1.
Bit 6 (RDY)
RDY indicates whether the device is capable of performing CompactFlash card
operations. This bit is cleared at power up and remains cleared until the CompactFlash
card is ready to accept a command.
Bit 5 (DWF)
This bit, if set, indicates a write fault has occurred.
Bit 4 (DSC)
This bit is set when the CompactFlash card is ready.
Bit 3 (DRQ)
The Data Request is set when the CompactFlash card requires that information be
transferred either to or from the host through the Data register.
Bit 2 (CORR) This bit is set when a Correctable data error has been encountered and the data has
been corrected. This condition does not terminate a multi-sector read operation.
Bit 1 (IDX)
This bit is always set to 0.
Bit 0 (ERR)
This bit is set when the previous command has ended in some type of error. The bits in
the Error register contain additional information describing the error. It is required that
the host retry any media access command (such as Read Sectors and Write Sectors)
that ends with an error condition.
9.1.5.10 Device Control Register (Address - 3F6H[376H]; Offset E)
This register is used to control the CompactFlash card interrupt request and to issue an ATA soft reset to the card.
This register can be written even if the device is BUSY. The bits are defined as follows:
Symbol
Function
Bits 7-3
These bits are ignored by the CompactFlash card.
Bit 2 (SW Rst) This bit is set to 1 in order to force the CompactFlash card to perform an ATA Disk
controller Soft Reset operation. This does not change the PCMCIA Card Configuration
registers (Sections 8.2 to 8.4) as a hardware reset does. The card remains in Reset until
this bit is reset to ‘0.’
Bit1(-IEn)
The Interrupt Enable bit enables interrupts when the bit is 0. When the bit is 1, interrupts
from the CompactFlash card are disabled. This bit also controls the Int bit in the
Configuration and Status register. This bit is set to 0 at Power-on and Reset.
Bit0
This bit is ignored by the CompactFlash card.
D7
D6
D5
D4
D3
D2
D1
D0
Reset Value
BUSY
RDY
DWF
DSC
DRQ
CORR
0
ERR
1000 0000b
D7
D6
D5
D4
D3
D2
D1
D0
Reset Value
XXXXX
SW Rst
-IEn
0
0000 1000b
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SST55LC100M-45-C-TQWE 功能描述:總線收發(fā)器 Compact Flash 45MHz 3.3V Commercial RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
SST55LC100M-45-I-BWE 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:CompactFlash Card Controller
SST55LC100M-45-I-TQWE 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:CompactFlash Card Controller
SST55LC200-60-C-TQWE 功能描述:閃存 Compact 閃存 60MHz 3.3V Commercial RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
SST55LC200-60-I-TQWE 功能描述:閃存 Compact 閃存 60MHz 3.3V Commercial RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
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