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參數(shù)資料
| 型號： | MIC74BQS |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 4/18頁 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 16QSOP |
| 標準包裝： | 98 |
| 接口： | I²C，SM 總線 |
| 輸入/輸出數(shù)： | 8 |
| 中斷輸出： | 是 |
| 電源電壓： | 2.7 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-QSOP |
| 包裝： | 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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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MIC74BQS TR | 功能描述:IC I/O EXPANDER I2C 8B 16QSOP RoHS:否 類別:集成電路 (IC) >> 接口 - I/O 擴展器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 接口:I²C，JTAG 輸入/輸出數(shù):9 中斷輸出:無 頻率 - 時鐘:400kHz 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝: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擴展器 2-Wire Serial I/O Expander & Fan Controller, QSOP-16 - Lead Free RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MIC74YQS TR | 功能描述:接口-I/O擴展器 2-Wire Serial I/O Expander & Fan Controller, QSOP-17 - Lead Free RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MIC79050 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Simple Lithium-Ion Battery Charger Preliminary Information |
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