參數(shù)資料
型號(hào)： KS8993F
廠商： Micrel Inc
文件頁數(shù)： 39/99頁
文件大?。?/td> 0K
描述： IC CONV MED 10/100 3PORT 128PQFP
標(biāo)準(zhǔn)包裝： 66
系列： *
類型： *
應(yīng)用： *
安裝類型： 表面貼裝
封裝/外殼： 128-BFQFP
供應(yīng)商設(shè)備封裝： 128-PQFP（14x20）
配用： KS8993F-EVAL-ND - EVAL KIT EXPERIMENTAL KS8993F
KS8993F
Micrel
August 26, 2004
Revision 1.0
- 44 -
Similarly, SPI multiple write is initiated when the master device continues to drive the KS8993F SPIS_N input pin low
after a byte (a register) is written. The KS8993F internal address counter will increment automatically to the next byte
(next register) after the write. The next byte that is sent from the master device to the KS8993F SDA input pin will be
written to the next register address. SPI multiple write will continue until the SPI master device terminates it by de-
asserting the SPIS_N signal to the KS8993F.
For both SPI multiple read and multiple write, the KS8993F internal address counter will wrap back to register address
zero once the highest register address is reached. This feature allows all 128 KS8993F registers to be read, or written
with a single SPI command and any initial register address.
The KS8993F is capable of supporting a 5 MHz SPI bus.
The following is a sample procedure for programming the KS8993F using the SPI bus:
1.
At the board level, connect the KS8993F pins as follows:
Table 9: KS8993F SPI Connections
KS8993F
Pin #
KS8993F
Signal Name
External Processor
Signal Description
99
SPIS_N
SPI Slave Select
97
SCL
(SPIC)
SPI Clock
98
SDA
(SPID)
SPI Data
(Master output; Slave input)
96
SPIQ
SPI Data
(Master input; Slave output)
2.
Enable SPI slave mode by setting the KS8993F strap-in pins PS[1:0] (pins 100 and 101 respectively) to “10”.
3.
Power up the board and assert reset to the KS8993F. After reset, the “Start Switch” bit (register 1 bit 0) will be
set to ‘0’.
4.
Configure the desired register settings in the KS8993F, using the SPI write or multiple write command.
5.
Read back and verify the register settings in the KS8993F, using the SPI read or multiple read command.
6.
Write a ‘1’ to the “Start Switch” bit to start the KS8993F with the programmed settings.
Note: The “Start Switch” bit cannot be set to ‘0’ to stop the switch after an ‘1’ is written to this bit. Thus, it is
recommended that all switch configuration settings are programmed before the “Start Switch” bit is set to ‘1’.
Some of the configuration settings, such as “Aging enable”, “Auto Negotiation Enable”, “Force Speed” and
“Power down” can be programmed after the switch has been started.
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參數(shù)描述
KS8993F-A1 功能描述:IC CONV MED 10/100 3PORT 128PQFP RoHS:否 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
KS8993FA5 功能描述:IC SWITCH 3-PORT 10/100 128-PQFP RoHS:否 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
KS8993F-EVAL 功能描述:EVAL KIT EXPERIMENTAL KS8993F RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板
KS8993FL 功能描述:IC CONV MED 10/100 SGL 128PQFP RoHS:否 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
KS8993FL-EVAL 功能描述:BOARD EVAL EXPERIMENT KS8993F RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板
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