参数资料
| 型号： | MIC74BQS |
| 厂商： | Micrel Inc |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 16QSOP |
| 标准包装： | 98 |
| 接口： | I²C，SM 总线 |
| 输入/输出数： | 8 |
| 中断输出： | 是 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
Micrel, Inc.
MIC74
October 2006
12
M9999-101006
S 00011001 A 0100 A2 A1 A0 0/A P
Alert Response Address
(master requests address
of interupting device)
P0*
/ALERT
Slave Address
(interrupting MIC74
announces its address)
Master-to-slave transmission
Slave-to-master response
STOP
ACKNOWLEDGE
R/W = READ
NOT ACKNOWLEDGE
t/INT
t/IR
*Assumes P0 interrupts properly configured and
enabled. P0 used as an example. Timing for P1
to P7 is identical.
Figure 7. Interrupt Handling Using the Alert Response Address
/A P
S0 0 0 1 A2 A1 A0 0 A 0 0 0 0 0 0
XXXXXX XX
11 A
A
Slave Address
(host addresses an MIC74)
P0*
/ALERT
Command Byte
(03h = selects status register)
Status Value
(MIC74 sends status)
Slave Address
(host addresses an MIC74)
Master-to-slave transmission
Slave-to-master response
ACKNOWLEDGE
R/W = WRITE
S 0001 A2 A1 A0 1
R/W = READ
STOP
NOT ACKNOWLEDGE
t/INT
t/R
* Assumes P0 interrupts properly configured and
enabled. P0 used as an example. Timing for P1
to P7 is identical.
STATUS register is cleared to zero following this
operation.
ACKNOWLEDGE
Figure 8. Interrupt Handling Without the Alert Response Address
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC74BQS TR | 功能描述:IC I/O EXPANDER I2C 8B 16QSOP RoHS:否 类别:集成电路 (IC) >> 接口 - I/O 扩展器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 接口:I²C，JTAG 输入/输出数:9 中断输出:无 频率 - 时钟:400kHz 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 包括:EEPROM |
| MIC74BWM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC74YQS | 功能描述:接口-I/O扩展器 2-Wire Serial I/O Expander & Fan Controller, QSOP-16 - Lead Free RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MIC74YQS TR | 功能描述:接口-I/O扩展器 2-Wire Serial I/O Expander & Fan Controller, QSOP-17 - Lead Free RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MIC79050 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Simple Lithium-Ion Battery Charger Preliminary Information |
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