參數(shù)資料
型號(hào): HD404629R
廠商: Hitachi,Ltd.
英文描述: AS Microcomputer Incorporating a DTMF Generator Circuit(微計(jì)算機(jī)帶雙音多頻發(fā)生器電路)
中文描述: 由于微機(jī)安裝有雙音多頻發(fā)電機(jī)斷路器(微計(jì)算機(jī)帶雙音多頻發(fā)生器電路)
文件頁數(shù): 82/155頁
文件大小: 549K
代理商: HD404629R
HD404629R Series
82
Serial Interfaces
The serial interface serially transfers and receives 8-bit data, and includes the following features.
Multiple transmit clock sources
External clock
Internal prescaler output clock
System clock
Output level control in idle states
Five registers, an octal counter, and a multiplexer are also configured for the serial interface as follows.
Serial data register (SRL: $006, SRU: $007)
Serial mode register A (SMRA: $005)
Serial mode register B (SMRB: $028)
Miscellaneous register (MIS: $00C)
Octal counter (OC)
Selector
The block diagram of the serial interface is shown in figure 70.
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