Maxim-integrated MAXQ622 Manual do Utilizador descarregar pdf (Página 148)

MAXQ612/MAXQ622 User’s Guide

Maxim Integrated 10-1

10.1 SPI Transfer Formats .....................................................................10-2

10.2 SPI Slave Select .........................................................................10-4

10.3 SPI Character Lengths....................................................................10-4

10.4 SPI Transfer Baud Rates ..................................................................10-4

10.5 SPI System Errors .......................................................................10-4

10.5.1 Mode Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-4

10.5.2 Receive Overrun....................................................................10-5

10.5.3 Write Collision While Busy ............................................................10-5

10.6 SPI Master Operation.....................................................................10-5

10.7 SPI Slave Operation ......................................................................10-5

10.8 SPI Peripheral Registers ..................................................................10-6

10.8.1 SPI Control Register (SPICNn).........................................................10-6

10.8.2 SPI Configuration Register (SPICFn) ....................................................10-7

10.8.3 SPI Clock Register (SPICKn) ..........................................................10-8

10.8.4 SPI Data Buffer Register (SPIBn) .......................................................10-8

SECTION 10: SERIAL PERIPHERAL INTERFACE (SPI) MODULE

This section contains the following information:

LIST OF FIGURES

Figure 10-1. SPI Block Diagram.................................................................10-2

Figure 10-2. SPI Transfer Formats (CKPHA = 1)....................................................10-3

Figure 10-3. SPI Transfer Formats (CKPHA = 0)....................................................10-3

LIST OF TABLES

Table 10-1. SPI Module Signal Functions .........................................................10-2

1 2 ... 143 144 145 146 147 148 149 150 151 152 153 ... 254 255

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