HD404369F datasheet(81/117 Pages) RENESAS

Il numero della parte	HD404369F

Spiegazioni elettronici	microcomputer has an A/D converter

PDF	117 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

Homepage	http://www.renesas.com

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HD404369 Series

Transfer completion

(IFS

Interrupts inhibited

IFS

SMR write

IFS = 1

Transmit clock

error processing

Normal

termination

←

Yes

Transmit clock error detection flowchart

Transmit clock error detection procedure

State

SCK pin (input)

Transmit clock

wait state

Transfer state

Transmit clock wait state

Noise

Transfer state has been

entered by the transmit clock

error. When SMR is written,

IFS is set.

Flag set because octal

counter reaches 000

Flag reset at

transfer completion

SMR write

IFS

Figure 61 Transmit Clock Error Detection

Registers for Serial Interface

The serial interface operation is selected, and serial data is read and written by the following registers.

 Serial Mode Register (SMR: $005)

 Serial Data Register (SRL: $006, SRU: $007)

 Port Mode Register A (PMRA: $004)

 Port Mode Register C (PMRC: $025)

 Miscellaneous Register (MIS: $00C)

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