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參數(shù)資料
| 型號(hào)： | ST90135M6Q6 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
| 中文描述： | 64K ROM/ OTP / EPROM，2K的RAM的8/16位單片機(jī)系列 |
| 文件頁(yè)數(shù)： | 168/190頁(yè) |
| 文件大?。?/td> | 1152K |
| 代理商： | ST90135M6Q6 |
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ST90158 - EIGHT-CHANNEL ANALOG TO DIGITAL CONVERTER (A/D)
ANALOG TO DIGITAL CONVERTER
(Cont’d)
Analog channels 6 and 7 monitor an acceptable
voltage level window for the converted analog in-
puts. Theexternal voltages applied to inputs 6 and
7 are considered normal while they remain below
their respectiveUpper thresholds, and aboveor at
their respective Lower thresholds.
When the external signal voltage level is greater
than, or equal to, the upper programmed voltage
limit, or when it is less than the lower programmed
voltage limit, a maskable interrupt request is gen-
erated and the Compare Results Register is up-
dated in order to flag the threshold (Upper or Low-
er) and channel (6 or 7) responsible for the inter-
rupt. The four threshold voltages are user pro-
grammable in dedicated registers (08h to 0Bh) of
the A/D register page. Only the 4 MSBs of the
Compare ResultsRegister are used as flags (the 4
LSBs always return “1” if read), each of the four
MSBs being associated with a threshold condition.
Following a hardware reset, these flags are reset.
During normal A/D operation, the CRRbits are set,
in order to flag an out of range condition and are
automatically reset by hardware after a software
reset of the Analog Watchdog Request flag in the
AD_ICR Register.
9.6.2.4 Power Down Mode
Before enablingan A/D conversion, the POW bit of
the Control Logic Register must be set; this must
be done at least 60
μ
s before the first conversion
start, in order to correctly bias the analog section
of the converter circuitry.
When the A/D isnot required, the POW bit may be
reset in order to reduce the total power consump-
tion. This is the reset configuration, and this state
is also selected automatically when the ST9 is
placed in Halt Mode (following the execution of the
halt
instruction).
Figure 87. A/D Trigger Source
n
Analog Voltage
Upper threshold
Lower threshold
Normal Area
(Window Guarded)
9
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST90135M6T6 | 8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
| ST90158 | 8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
| ST90158-ST90135 | 8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
| ST90158M7Q6 | 8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
| ST90158M9Q6 | 8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST90135M6T6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
| ST9014 | 制造商:SEMTECH_ELEC 制造商全稱:SEMTECH ELECTRONICS LTD. 功能描述:NPN Silicon Epitaxial Planar Transistor |
| ST9015 | 制造商:SEMTECH_ELEC 制造商全稱:SEMTECH ELECTRONICS LTD. 功能描述:PNP Silicon Epitaxial Planar Transistor |
| ST90158 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM |
| ST90158-EMU2B | 功能描述:仿真器/模擬器 ST9 Emulator Board RoHS:否 制造商:Blackhawk 產(chǎn)品:System Trace Emulators 工具用于評(píng)估:C6000, C5000, C2000, OMAP, DAVINCI, SITARA, TMS470, TMS570, ARM 7/9, ARM Cortex A8/R4/M3 用于:XDS560v2 |
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