48.21 Serial Peripheral Interface (SPI) Electrical Specifications

Figure 48-11. SPIx Host Module CPHA = 0 Timing Diagrams

Figure 48-12. SPIx Host Module CPHA = 1 Timing Diagrams

Table 48-30. SPIx Module Host Mode Electrical Specifications ⁽¹⁾
AC CHARACTERISTICS				Standard Operating Conditions: VDDIO = AVDD 1.75V to 3.63V, VDDREG = 1.75V to 1.85V(unless otherwise stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial
Param. No.	Symbol	Characteristics⁽¹⁾		Min.	Typical	Max.	Units	Conditions
MSP_1	FSCK	SCK Frequency	Normal Speed SERCOM	—	—	23	MHz	Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	23		VDDIOx = 1.8V, C_LOAD = 30 pF_(MAX)
				—	—	35		Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	35		VDDIOx = 3.3V, C_LOAD= 30 pF_(MAX)
				—	—	1/(2*(TMIS+NOTE2_TV)) ⁽²⁾		Full Duplex Transmit and Receive mode, C_LOAD= 30 pF_(MAX).
				—	—	1/(2*(TMIS+NOTE2_TV)) ⁽²⁾		The maximum SPI speed of the MCU is partially dependent on the external SPI device performance characteristics. Faster speeds than those listed above may therefore be possible using the formula.
			High-Speed SERCOM ⁽³⁾	—	—	30	MHz	Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	30		VDDIOx = 1.8V, C_LOAD = 20 pF_(MAX)
				—	—	50		Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	50		VDDIOx = 3.3V, C_LOAD = 20 pF_(MAX)
				—	—	1/(2*(TMIS+NOTE2_TV)) ⁽²⁾		Full Duplex Transmit and Receive mode, C_LOAD = 20 pF_(MAX).
				—	—	1/(2*(TMIS+NOTE2_TV)) ⁽²⁾		The max SPI speed of the MCU is partially dependent on the external SPI device performance characteristics. Faster speeds than those listed above may therefore be possible using the formula.
MSP_3	TSCL	SCK Output Low Time		1/(2*FSCK)	—	—	ns	—
MSP_5	TSCH	SCK Output High Time		1/(2*FSCK)	—	—	ns	—
MSP_7	TSCF	SCK and MOSI Output Fall Time		—	—	DI_27	ns	See parameter DI_27 I/O spec
MSP_9	TSCR	SCK and MOSI Output Rise Time		—	—	DI_25	ns	See parameter DI_25 I/O spec
MSP_11	TMOV	MOSI Data Output Valid after SCK	Normal Speed SERCOM	—	—	9	ns	—
MSP_11	TMOV	MOSI Data Output Valid after SCK	High Speed SERCOM⁽³⁾	—	—	8	ns
MSP_13	TMOH	MOSI hold after SCK		0	—	—	ns
MSP_15	TMIS	MISO Setup Time of Data Input to SCK	Normal Speed SERCOM	13	—	—	ns
MSP_15	TMIS	MISO Setup Time of Data Input to SCK	High Speed SERCOM⁽³⁾	1.5	—	—	ns
MSP_17	TMIH	MISO Hold Time of Data Input to SCK	Normal Speed SERCOM	4	—	—	ns
MSP_17	TMIH	MISO Hold Time of Data Input to SCK	High Speed SERCOM⁽³⁾	2		—	ns
MSP_19	SPI_GCLK	SERCOM SPI input clk freq, GCLK_SPI		—	—	FCLK_23	MHz	—
Note: Assumes for Normal Speed SERCOM: VDDIO(min) and 30 pF external load on all SPIx pins, and for High Speed SERCOM: VDDIO = 3.3V and 20 pF external load on all SPIx pins unless otherwise noted. NOTE2_TV is the client external device data output valid time from clock edge specification. High Speed SERCOM = SERCOM4, SERCOM6, SERCOM7, SERCOM8.

Figure 48-13. SPIx Client Mode CPHA = 0 Timing Diagrams

Figure 48-14. SPIx Client Mode CPHA = 1 Timing Diagrams

Table 48-31. SPIx Module Client Mode Electrical Specifications
AC CHARACTERISTICS				Standard Operating Conditions: VDDIO = AVDD 1.75V to 3.63V, VDDREG = 1.75V to 1.85V (unless otherwise stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial
Param. No.	Symbol	Characteristics⁽¹⁾		Min.	Typical	Max.	Units	Conditions
SSP_1	FSCK	SCK Frequency	Normal Speed SERCOM	—	—	23	MHz	Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	23		VDDIOx = 1.8V, C_LOAD = 30 pF₍₎max
				—	—	35		Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	35		VDDIOx = 3.3V, C_LOAD= 30 pF_(max)
				—	—	1/(2*(TSOV+NOTE2_TMIS)) ⁽²⁾		Full Duplex Transmit and Receive mode, C_LOAD= 30 pF_(max).
				—	—	1/(2*(TSOV+NOTE2_TMIS)) ⁽²⁾		The max SPI speed of the MCU is partially dependent on the external SPI device performance characteristics. Faster speeds than those listed above may therefore be possible using the formula.
			High Speed SERCOM ⁽³⁾	—	—	30	MHz	Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	30		VDDIOx = 1.8V, C_LOAD = 20 pF_(max)
				—	—	50		Full Duplex Transmit and Receive mode, SPI FIFO enabled, DMA enabled.
				—	—	50		VDDIOx = 3.3V, C_LOAD= 20 pF_(MAX)
				—	—	1/(2*(TSOV+NOTE2_TMIS)) ⁽²⁾		Full Duplex Transmit and Receive mode, C_LOAD= 20 pF_(max).
				—	—	1/(2*(TSOV+NOTE2_TMIS)) ⁽²⁾		The max SPI speed of the MCU is partially dependent on the external SPI device performance characteristics. Faster speeds than those listed above may therefore be possible using the formula.
SSP_3	TSCL	SCK Output Low Time		1/(2*FSCK)	—	—	ns	—
SSP_5	TSCH	SCK Output High Time		1/(2*FSCK)	—	—	ns	—
SSP_7	TSCF	SCK and MOSI Output Fall Time		—	—	DI_27	ns	See parameter DI_27 I/O spec
SSP_9	TSCR	SCK and MOSI Output Rise Time		—	—	DI_25	ns	See parameter DI_25 I/O spec
SSP_11	TSOV	MOSI Data Output Valid after SCK	Normal Speed SERCOM	—	—	23.2	ns	—
SSP_11	TSOV	MOSI Data Output Valid after SCK	High Speed SERCOM⁽³⁾	—	—	8.5	ns
SSP_13	TSOH	MOSI hold after SCK	Normal Speed SERCOM	18.4	—	—	ns
SSP_13	TSOH	MOSI hold after SCK	High Speed SERCOM⁽³⁾	7.5	—	—	ns
SSP_15	TSIS	MOSI Setup Time of Data Input to SCK	Normal Speed SERCOM	4.8	—	—	ns
SSP_15	TSIS	MOSI Setup Time of Data Input to SCK	High Speed SERCOM⁽³⁾	3.7	—	—	ns
SSP_17	TSIH	MOSI Hold Time of Data Input to SCK	Normal Speed SERCOM	2.8	—	—	ns
SSP_17	TSIH	MOSI Hold Time of Data Input to SCK	High Speed SERCOM⁽³⁾	2.8	—	—	ns
SSP_19	TSSS	SS setup to SCK	Normal Speed SERCOM	4.8	—	—	ns
SSP_19	TSSS	SS setup to SCK	High Speed SERCOM⁽³⁾	3	—	—	ns
SSP_21	TSSH	SS hold after SCK Client	Normal Speed SERCOM	2.9	—	—	ns
SSP_21	TSSH	SS hold after SCK Client	High Speed SERCOM⁽³⁾	2.9	—	—	ns
SSP_23	SPI_GCLK	SERCOM SPI input clk freq, GCLK_SPI	—	—	—	FCLK_23	MHz	—
Note: Assumes for Normal Speed SERCOM: VDDIO(min) and 30 pF external load on all SPIx pins, and for High Speed SERCOM: VDDIO = 3.3V and 20 pF external load on all SPIx pins unless otherwise noted. NOTE2_TMIS is the host external device setup time. High Speed SERCOM = SERCOM4, SERCOM6, SERCOM7, SERCOM8.

PIC32CZ CA80/CA90 Family

48.21 Serial Peripheral Interface (SPI) Electrical Specifications