參數(shù)資料
型號: TMP90CM38
廠商: Toshiba Corporation
元件分類: 通用總線功能
英文描述: High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit A/D,D/A Converter,RAM,ROM,General Serial Interface,Multifuction Timer/Event Counter,Signal Selector Circuit,PWM Output(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位A/D,D/A轉(zhuǎn)換器,ROM,RAM,通用串行接口,多功能定時器/事件計數(shù)器,信號選擇電路,PWM輸出))
中文描述: 采用先進(jìn)的CMOS高速8位微控制器,集成8位A / D,D / A轉(zhuǎn)換,內(nèi)存,光盤,通用串行接口,Multifuction定時器/事件計數(shù)器,信號選擇器電路,PWM輸出(高速,先進(jìn)的的CMOS 8位微控制器(芯片集成了8位A / D轉(zhuǎn)換,數(shù)/模轉(zhuǎn)換器,ROM和RAM內(nèi)存,通用串行接口,多功能定時器/事件計數(shù)器,信號選擇電路,脈寬調(diào)制輸出))
文件頁數(shù): 115/172頁
文件大?。?/td> 5946K
代理商: TMP90CM38
TOSHIBA CORPORATION
115
TMP90CM38
The serial channel has a buffer register for transmitting
and receiving operations, in order to temporarily store trans-
mitted or received data, so that transmitting and receiving
operations can be done independently (full duplex).
However, in I/O interface mode, SCLK (serial clock) pin is
commonly used for both transmission and receiving, the chan-
nel becomes half-duplex.
The receiving buffer register is of a double buffer structure to
prevent the occurrence of overrun error and provides one
frame of margin before CPU reads the received data. Namely,
the one buffer stores the already received data while the other
buffer receives the next frame data.
In the UART mode, a check function is added not to start
the receiving operation by error start bits due to noise. The
channel starts receiving data only when the start bit is
detected to be normal at least twice in three samplings.
When the transmission buffer becomes empty and
requests the CPU to send the next transmission data, or when
data is stored in the transmission buffer and the CPU is
requested to read the data, INTTX or INTRX interrupt occurs.
Besides, if an overrun error, parity error, or framing error occors
during receiving operation, flag SCCR <OERR, PERR, FERR>
will be set.
In the I/O interface mode, it is possible to input synchro-
nous signals as well as to transmit or receive data by an exter-
nal clock.
The SIO0 or SIO1 includes a special baud rate generator,
which can set any baud rate can be set by dividing by the fre-
quency of 4 clocks (T0, T2, T8, and T32) from the internal
prescaler (shared by 8-bit/16-bit timer) by the value of 2 to 16.
Internal clock (SIO2) is able to select in speed from T0,
T1, T4, and T16.
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TMP90CM40 High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit CUP,A/D Converter,RAM,ROM,General Serial Interface,Multifuction Timer/Event Counter(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位CPU,A/D,轉(zhuǎn)換器,ROM,RAM,通用串行接口,多功能定時器/事件計數(shù)器))
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