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参数资料
| 型号： | ST92T163 |
| 厂商： | 意法半导体 |
| 英文描述： | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| 中文描述： | 16位产品全速USB微控制器16端点，20,000光盘和2K的RAM，I2C和脊髓损伤的复合设备， |
| 文件页数： | 113/224页 |
| 文件大小： | 1372K |
| 代理商： | ST92T163 |
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ST92163 - MULTIFUNCTION TIMER (MFT)
MULTIFUNCTION TIMER
(Cont’d)
8.2.2 Functional Description
The MFT operating modes are selected by pro-
gramming the Timer Control Register (TCR) and
the Timer Mode Register (TMR).
8.2.2.1 Trigger Events
A trigger event may be generated by software (by
setting either the CP0 or the CP1 bits in the
T_FLAGR register) or by an external source which
may be programmed to respond to the rising edge,
the falling edge or both by programming bits A0-
A1 and B0-B1 in the T_ICR register. This trigger
event can be used to perform a capture or a load,
depending on the Timer mode (configured using
the bits in Table 4).
An event on the TxINA input or setting the CP0 bit
triggers a capture to, or a load from the REG0R
register (except in Bicapture mode, see Section
0.1.2.11).
An event on the TxINB input or setting the CP1 bit
triggers a capture to, or a load from the REG1R
register.
In addition, in the special case of ”Load from
REG0R and monitor on REG1R”, it is possible to
use the TxINB input as a trigger for REG0R.”
8.2.2.2 One Shot Mode
When the counter generates an overflow (in up-
count mode), or an underflow (in down-count
mode), that is to say when an End Of Count condi-
tion is reached, the counter stops and no counter
reload occurs. The counter may only be restarted
by an external trigger on TxINA or B or a by soft-
ware trigger on CP0 only. One Shot Mode is en-
tered by setting the CO bit in TMR.
8.2.2.3 Continuous Mode
Whenever the counter reaches an End Of Count
condition, the counting sequence is automatically
restarted and the counter is reloaded fromREG0R
(or from REG1R, when selected in Biload Mode).
Continuous Modeis entered byresetting theC0 bit
in TMR.
8.2.2.4 Triggered And Retriggered Modes
A triggered event may be generated by software
(by setting either the CP0 or the CP1 bit in the
T_FLAGR register), or by an external source
which may be programmed to respond to therising
edge, the falling edge or both, by programming
bits A0-A1 and B0-B1 in T_ICR.
In One Shot and Triggered Mode, every trigger
event arriving before an End Of Count, is masked.
In One Shot and Retriggered Mode, every trigger
received while thecounter is running, automatical-
ly reloads the counter fromREG0R. Triggered/Re-
triggered Mode is set by the REN bit in TMR.
The TxINA input refers to REG0R and the TxINB
input refers to REG1R.
WARNING
. If the Triggered Mode is selected
when the counter is in Continuous Mode, every
trigger is disabled, it is not therefore possible to
synchronise the counting cycle by hardware or
software.
8.2.2.5 Gated Mode
In this mode, counting takes place only when the
external gate input is at a logic low level. The se-
lection of TxINA or TxINB as the gate input is
made by programming the IN0-IN3 bits in T_ICR.
8.2.2.6 Capture Mode
The REG0R and REG1R registers may be inde-
pendently set in Capture Mode by setting RM0 or
RM1 inTMR, so that a capture of the current count
value can be performed either on REG0R or on
REG1R, initiated by software (by setting CP0 or
CP1 in the T_FLAGR register) or by an event on
the external input pins.
WARNING
. Care should be taken when two soft-
ware captures are to be performed on the same
register. In this case, at least one instruction must
be present between the first CP0/CP1 bit set and
the subsequent CP0/CP1 bit reset instructions.
8.2.2.7 Up/Down Mode
The counter can count up or down depending on
the state of the UDC bit (Up/Down Count) in TCR,
or on the configuration of the external input pins,
which have priority over UDC (see Input pin as-
signment in T_ICR). The UDCS bit returns the
counter up/down current status (see also the Up/
Down Autodiscrimination mode in the Input Pin
Assignment Section).
相关PDF资料 |
PDF描述 |
|---|---|
| ST92T163E | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92T163L | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92T163V | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163 | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163E | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST92T163R4T1 | 功能描述:8位微控制器 -MCU OTP EPROM 20K USB/I2 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ST92T196/JAP | 制造商:STMicroelectronics 功能描述: |
| ST92T96N9B1/AIN | 制造商:STMicroelectronics 功能描述: |
| ST-930 | 制造商:UNBRANDED 功能描述:MULTIMETER DIGITAL BARGRAPH |
| ST93003 | 功能描述:两极晶体管 - BJT Hi Vltg FAST SWITCH PNP Pwr TRANSISTOR RoHS:否 制造商:STMicroelectronics 配置: 晶体管极性:PNP 集电极—基极电压 VCBO: 集电极—发射极最大电压 VCEO:- 40 V 发射极 - 基极电压 VEBO:- 6 V 集电极—射极饱和电压: 最大直流电集电极电流: 增益带宽产品fT: 直流集电极/Base Gain hfe Min:100 A 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PowerFLAT 2 x 2 |
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