參數(shù)資料
型號(hào)： UPD70433R-12
廠商： NEC Corp.
元件分類： 16位微控制器
英文描述： V55PITM 16-BIT MICROPROCESSOR
中文描述： V55PITM 16位微處理器
文件頁數(shù)： 52/166頁
文件大?。?/td> 772K
代理商： UPD70433R-12
52
μ
PD70433
7.4
CLOCKED SERIAL INTERFACE (CSI)
7.4.1
Features
Transfer speed:
Max. 3.125 Mbps (with 12.5 MHz system clock
φ
)
Max. 4.0 Mbps (with 16 MHz system clock
φ
)
Half-duplex communication
Data length: 8-bit unit
External/internal clock selection function
Data MSB-first/LSB-first selection function
SBI mode (2-wire NEC type serial bus) ... ch0 only
Address/command/data identification function
Function for chip selection by address
Wake-up function
Acknowledge signal (ACK) control function
Busy signal (BUSY) control function
The V55PI clocked serial interface has the following two operating modes.
(1) 3–wire serial I/O mode (IOE mode)
In this mode, 8-bit data transfer is performed using three lines: the serial clock (SCK), and serial data input and output
(SI, SO). This mode is useful when connecting an I/O device, display controller, etc., which incorporates a conventional
clocked serial interface.
The functions of the V25 and V25+
have been enhanced, and data MSB-first/LSB-first selection is possible.
(2)
Serial bus interface mode (SBI mode)
In the SBI mode, communication is performed with multiple devices by means of two lines: the serial clock (SCK)
and the serial bus interface (SB0 or SB1).
This mode conforms to the NEC serial bus format.
In the SBI mode, the sender can output to the serial data bus an address to select the target device for serial
communication, a command which gives a directive to the target device, and actual data. Thus there is no need for
the line for handshaking required when multiple devices are connected with a conventional clocked serial interface,
allowing input/output ports to be used efficiently.
In addition, wake-up release is performed using macro service.
相關(guān)PDF資料
PDF描述
UPD70433R-16 V55PITM 16-BIT MICROPROCESSOR
UPD70433GD-12-5BB V55PITM 16-BIT MICROPROCESSOR
UPD70433GD-16-5BB V55PITM 16-BIT MICROPROCESSOR
UPD70433GJ-12-3EB V55PITM 16-BIT MICROPROCESSOR
UPD70433GJ-16-3EB V55PITM 16-BIT MICROPROCESSOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD70433R-16 制造商:NEC 制造商全稱:NEC 功能描述:V55PITM 16-BIT MICROPROCESSOR
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UPD705100GJ-100-8EU 制造商:NEC 制造商全稱:NEC 功能描述:V830TM 32-BIT MICROCONTROLLER
UPD705101 制造商:NEC 制造商全稱:NEC 功能描述:32-BIT MICROPROCESSOR
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