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| 型號(hào)： | ST62T35B |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, 16-BIT AUTO-RELOAD TIMER, EEPROM, SPI AND UART |
| 中文描述： | 8位檢察官辦公室/存儲(chǔ)器與阿微控制器/ D轉(zhuǎn)換器，16位自動(dòng)重加載定時(shí)器，EEPROM中，SPI和UART |
| 文件頁(yè)數(shù)： | 46/82頁(yè) |
| 文件大小： | 617K |
| 代理商： | ST62T35B |
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ST62T35B/E35B
4.3.3 TIMINGS MEASUREMENT MODES
These modes are based on the capture of the
down counter content into either CP or RLCP reg-
isters. Some are used in conjunction with a syn-
chronisation of the down counter by reload func-
tions on external event on CPi pins or software
RUNRES setting, while other modes do not affect
the downcounting. As long as RELOAD bit is
cleared, the down counter remains in free running
mode.
4.3.3.1
control
Three startup conditions, selected by RLDSELi bit
can reload the counter from RLCP and initiate the
down counting when RELOAD bit is set. The first
mode is software controlled through the RUNRES
bit,while thetwoothers arebased onexternal event
on pins CP1 and CP2 with configurable polarities.
External event on CP2 pin (with configurable po-
larities) is used as strobe to launch the capture of
the CT counter into CP. When RELOAD bit is set,
RLCP cannot be used for capture, since it con-
tains the reload value..
Finally, 3 different Reload/Capture sequences are
available:
Timing
measurement
with
startup
– CP1 triggered restart mode with CP2 event de-
tection.
– CP2 triggered restart mode with second CP2
event detection.
– Software triggered restart mode with CP2 event
detection.
CP1 triggered restart mode with CP2 event de-
tection
.
This mode is enabled for RLDSEL2=0 and
RLDSEL1=1.
External events onCPipinsareenabled as soon as
RUNRES bit isset, whichlets theprescaler andthe
downcounter running. ThenextactiveedgeonCP1
causes the counter to be loaded from RLCP, the
CP1FLGtobesetandthedowncounting startsfrom
RLCP value.Eachfollowingactiveedgeon CP1will
cause a reload of the counter. If CP1FLG is not re-
set before the next reload, the CP1ERR flag is set
at the same time as the counter is reloaded. Both
flags should then be cleared by software.
While the counter is counting, any active edge on
CP2 will capture the value of the counter at that in-
stant into the CP Register and setthe CP2FLG bit.
If CP2FLG is not cleared before the following CP2
event, the CP2ERR flag bitis set, and no new cap-
ture can be performed
Capturing is re-enabled by clearing both CP2FLG
and CP2ERR.
Ifa captureonCP2andareload onCP1occuratthe
same time,the captureofthecounter toCPismade
first, and then the counter is reloaded from RLCP.
Figure 26. . CP1 Triggered Restart Mode with CP2 Event Detection
RELOAD
1
0
Reload on CP1,CP2, RUNRES / Capture CP2
Capture CP1 / Capture CP2
VR02007
COUNTER
CT
CP1
Set CP1FLG
Set CP1ERR
0000h
0000h
Disabled
Enable the Inputs
RUNRES
Software Reset
Reload and Start
Reload
Reload
Set CP1FLG
Disabled
Set CP2ERR
Disabled
Capture CT into CP
Set CP2FLG
CP2
Disabled
First Capture in CP
Then Reload
Set CP1ERR, CP2FLG
Clear all Flags
45
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST62T35BQ6 | 功能描述:8位微控制器 -MCU OTP EPROM 8K RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST62T40BQ6 | 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST62T42BQ6 | 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST62T45BQ6 | 功能描述:8位微控制器 -MCU OTP EPROM 8K RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST62T45Q6 | 制造商:STMicroelectronics 功能描述:8BIT MCU - Bulk |
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