- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄376214 > MX98905B (Macronix International Co., Ltd.) IEEE 802.3, 10BASE5, 10BASE2 Controller and Integrated Bus Interface(IEEE 802.3, 10BASE5, 10BASE2控制器和集成總線接口) PDF資料下載
參數(shù)資料
| 型號： | MX98905B |
| 廠商： | Macronix International Co., Ltd. |
| 英文描述： | IEEE 802.3, 10BASE5, 10BASE2 Controller and Integrated Bus Interface(IEEE 802.3, 10BASE5, 10BASE2控制器和集成總線接口) |
| 中文描述： | IEEE 802.3標(biāo)準(zhǔn)，10BASE5，10Base2的控制器和集成總線接口（IEEE 802.3標(biāo)準(zhǔn)，10BASE5，10Base2的控制器和集成總線接口） |
| 文件頁數(shù)： | 17/86頁 |
| 文件大?。?/td> | 352K |
| 代理商： | MX98905B |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁當(dāng)前第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁
17
P/N: PM0365
REV. 1.3, NOV 20 ,1995
MX98905B
TABLE 3. EEPROM DATA MAPPING
0FH
0EH
08H
07H
03H
02H
01H
00H
D15
D0
NOT USED
CONFIG. B
42H
57H
RESERVED
(CHECKSUM)
ETEHR ADD 5
ETHER ADD 3
ETEHR ADD 1
CONFIG. C
CONFIG. A
42H
57H
RESERVED
(BOARD TYPE)
ETHER ADD 4
ETEHR ADD 2
ETEHR ADD 0
except the RESET signal. On the falling edge of
RESET signal, the MX98905 will load data shown on
MEMD0-7, MEMD8-15 and MEMA1-8 into
Configuration Register A, B and C, respectively. The
value loaded from jumper will overwrite the default
value.
Figure 10 shows the example for jumper
configuration.
After loading jumper value into relative Configuration
Registers, the MX98905 will execute EEPROM opera-
tion, which depends on the value of EECONFIG. If
EECONFIG is high, then both the configuration and ID
PROM data will be loaded into the MX98905; other-
wise, only ID PROM data is loaded.
7.2 EEPROM Operation
During EEPROM operation, all internal registers are
inaccessible. If EECONFIG is high, then the configu-
rations loaded from EEPROM will overwrite the value
loaded from jumper selection. Configurations loaded
from EEPROM will be stored in Configuration
Registers and Ether ID will be stored in PROM space
inside the MX98905 (refer to PROM MAP for details).
7.2.1 Load Configurations from EEPROM
When EECONFIG is set to high, configurations stored
in EPPROM will be loaded into MX98905. After
loading configurations fom EEPROM, following
sequence depends on the value of ATXT:
ATXT= 1 : 00H-07H
ATXT= 0 : 00H-06H, 08H
EECONFIG = 1 : OEH (Configuration A, B), OFH
DWID = 1 (Configuration C),00H - 02H (Ether
Address 0 theu 5) and 03H - 07H
EECONFIG = 1 : OEH (Configuration A, B), OFH
DWID = 0
(Configuration C),00H - 02H (Ether
Address 0 true 5)and 03H - 06H and
08H (data 42H)
7.2.2 Without loading configurations from EEPROM
values shown on parentheses are for Shared memory
map only. For the shared memory mode, the two's
complement of these eight bytes (00-03H) should be
equal to FFH.
High byte of 0FH is not used in NS DP83905 compat-
ible mode, but the value will be loaded into Hidden
ConFiguration Register (HCFR) inside the MX98905 in
enhanced mode. See Enhanced mode description for
details.
7.1 Valid Power-On Reset
The MX98905 is equipped with a filter to screen out
RESET signal whenever its duration is less than
400ns. The default value of each Configuration
Register is:
Configuration Register A : 39H
Configuration Register B : 00H
Configuration Register C : 00H
When RESET is active more than 400ns, the MX98905
will recognize such action and begin its power-on reset
algorithm. At this moment, all I/O will be disabled
When EECONFIG is set to low, configrations stored in
EEPROM will NOT be loaded into the MX98905 de-
pends on
the value of ATXT:
ATXT = 1 : 00H-07H
ATXT = 0 : 00H-06H,08H
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MX98905BFC | The MX98905 is designed for easy implementation of CSMA/CD local area networks, |
| MXA2312A | Low Cost, +2,-2 g Dual Axis Accelerometer with Analog Outputs |
| MXA2500K | Ultra Low Cost, 【1.0 g Dual Axis Accelerometer with Absolute Outputs |
| MXA2500KV | Ultra Low Cost, 【1.0 g Dual Axis Accelerometer with Absolute Outputs |
| MXA6500G | Low Cost, Low Noise 【1 g Dual Axis Accelerometer with Absolute Analog Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX98905BFC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:The MX98905 is designed for easy implementation of CSMA/CD local area networks, |
| MX98L715BEC | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:3.3V SINGLE CHIP FAST ETHERNET NIC CONTROLLER |
| MX-9C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MX |
| MX-9G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MX |
| MX9G100B | 制造商:Panasonic Industrial Company 功能描述:90x90 gearhead for 40W motor,100:1 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。