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參數(shù)資料
| 型號(hào)： | MCZ33996EKR2 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | 16-Output Switch with SPI Control |
| 中文描述： | 16輸出帶有SPI控制開關(guān) |
| 文件頁數(shù)： | 12/23頁 |
| 文件大?。?/td> | 306K |
| 代理商： | MCZ33996EKR2 |
Analog Integrated Circuit Device Data
Freescale Semiconductor
12
33996
FUNCTIONAL DESCRIPTION
OPERATIONAL MODES
output being controlled ON. Diagnostics is treated in a similar
manner — outputs with a fault will feedback (via SO) to the
MCU a logic [1], while normal operating outputs will provide a
logic [0].
The 33996 may be controlled and provide diagnostics
using a daisy chain configuration or in parallel mode.
Figure 10
shows the daisy chain configuration using the
33996. Data from the MCU is clocked daisy chain through
each device while the Chip Select bit (
CS
) is commanded low
by the MCU. During each clock cycle, output status from the
daisy-chained 33996s is being transferred back to the MCU
via the Master In Slave Out (MISO) line. On rising edge of
CS
,
data stored in the input register is transferred to the output
driver. Daisy chain control of the 33996 requires 24 bits per
device.
Multiple 33996 devices can be controlled in a parallel input
fashion using the SPI.
Figure 11
, page
12
, illustrates
potentially 32 loads being controlled by two dedicated
parallel MCU ports used for chip select.
Figure 10. 33996 SPI System Daisy Chain
Figure 11. Parallel Inputs SPI Control
MC68HCXX
Microcontroller
33996
Shift Register
Ports
Parallel
33996
SI
SO
SCLK
CS
RST
PWM
MISO
SCLK
PWM1
PWM2
MOSI
SI
SO
SCLK
CS
RST
PWM
Parallel
Ports
MC68HCXX
Microcontroller
33996
33996
SI
SCLK
CS
PWM
SI
SO
SCLK
CS
PWM
RST
SCLK
MISO
MOSI
Shift Register
SO
PWM1
RST
PWM2
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| MCZ33998EG | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2.6/5.0V SWITCHING POWER RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MCZ33998EG/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Switching Power Supply with Linear Regulators |
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| MCZ33999EK | 功能描述:電源開關(guān) IC - 配電 16 LOW SIDE PWM&SPI RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MCZ33999EK/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-Output Switch with SPI and PWM Control |
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