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| 型号： | MIC3002GML |
| 厂商： | Micrel Inc |
| 文件页数： | 21/65页 |
| 文件大小： | 0K |
| 描述： | IC LASER DRIVR 10GBPS 3.6V 24MLF |
| 标准包装： | 75 |
| 类型： | 激光二极管控制器（光纤） |
| 数据速率： | 10Gbps |
| 通道数： | 1 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 2.3mA |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 24-VFQFN 裸露焊盘，24-MLF? |
| 供应商设备封装： | 24-MLF?（4x4） |
| 包装： | 管件 |
| 安装类型： | 表面贴装 |
| 产品目录页面： | 1086 (CN2011-ZH PDF) |
| 其它名称： | 576-2125-5 576-2125-5-ND 576-2975-5 |
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Micrel, Inc.
MIC3002
Serial Address A2h
Byte
Bit
7
6
5
Default Value
0
0
0
Description
Masking bit for Temp High Warning interrupt source
Masking bit for Temp Low Warning interrupt source
Masking bit for Voltage High Warning interrupt source
250
251
4
3
2
1
0
7
6
5
4
3
2
1
0
0
0
0
0
0
0
1
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Masking bit for Voltage Low Warning interrupt source
Masking bit for Bias High Warning interrupt source
Masking bit for Bias Low Warning interrupt source
Masking bit for TX Power High Warning interrupt source
Masking bit for TX Power Low Warning interrupt source
Masking bit for RX Power High Warning interrupt source
Masking bit for RX Power Low Warning interrupt source
Table 9. Warnings Interrupt Sources Masking Bits
Alarms and Warnings as TXFAULT Source
Alarms and warnings are not sources for TXFAULT with
the default setting. To set alarms as a TXFAULT source
set OEMCFG4 bit 6 to 1. To set warnings as a
TXFAULT, source set OEMCFG4 bit 7 to 1. The alarms
and warnings TXFAULT sources can be masked
individually in the same way shown in Tables 7 and 8.
Alarms and Warnings Latch
Alarms and warnings are latched with the default setting,
i.e., the flags once asserted remain ON until the register
is read or TXDSABLE is toggled. If OEMCFG4 bit 5 is
set to 1, the warnings are not latched and will be set and
reset with the warning condition. Reading the register or
toggling TXDISABLE will clear the flag. If OEMCFG4 bit
4 is set to 1, the alarms are not latched and will be set
and reset with the alarm condition. Reading the register
or toggling TXDISABLE will clear the flag.
SMBus Multipart Support
If more than one MIC3002 device shares the same serial
interface and multipart mode is selected on them
(OEMCFG5 bit 3 = 1), then pin 7 and pin 20 become
SMBus address bits 3 and 4 respectively. Therefore, the
parts should have a different setting on those pins to
create four address combinations based upon pin 7 and
pin 20 state, (00, 01, 10, 11) where 0 is a pull down to
GND and 1 is a pull up to VCC. The parts come from the
factory with the same address (A0) and multipart mode
OFF (OEMCFG5 bit 3 = 0). After power up, write 1 to
OEMCFG5 bit 3 to turn ON multipart mode, which is
done to all parts at the same time since they all respond
to serial address A0 at this point. With multipart mode
ON, the parts have different addresses based on the
states of pins 7 and 20. Another option is to access each
part individually, set their single mode address in
OEMCFG2 bits [4-7] to different values and then turn
OFF multipart mode to return to normal mode where the
parts have new different address.
July 2007
21
M9999-073107-B
hbwhelp@micrel.com or (408) 955-1690
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