Silicon Laboratories SI2493/57/34/15/04 Reset Strapping Options for QFN parts with SPI Operation

AN93

2.1.5.2.Reset Strapping Options for QFN Parts with SPI Operation Table 10 lists the reset strapping options for QFN parts with SPI operation.

Table 10. Reset Strapping Options for QFN parts with SPI Operation

Input Clk	Three-Wire		AOUT	EECLK					SDI			MISO
		FSYNCH				INT		RI			DCD
	EEPROM
	Interface
		Pin 2	Pin 15	Pin 13	Pin 35		Pin 19		Pin 8	Pin 28		Pin 22
32 kHz	No	1	1	1	0		1		1	1		1
	Yes	0	1	1	0		1		1	1		1
4.9152 MHz	No	1	1	1	0		0		1		X	1
	Yes	0	1	1	0		0		1		X	1
27 MHz	No	1	1	1	0		1		1	0		1
	Yes	0	1	1	0		1		1	0		1

2.1.5.3.Reset Strapping Options for QFN Parts with Parallel Operation Table 11 lists the reset strapping options for QFN parts with parallel operation.

Table 11. Reset Strapping Options for QFN Parts with Parallel Operation

Input Clk			AOUT	EECLK
		CS				RD
	Pin 21		Pin 15	Pin 13	Pin 22
32 kHz	1		0	1	1
	1		0	1	1
4.9152 MHz	1		0	0	1
	1		0	0	1
27 MHz	0		0	1	1
	0		0	1	1

16 Rev. 1.3